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{{Short description|Indian scientist (1933–2020)}}
{{Citations missing|article|date=January 2008}}
{{EngvarB|date=December 2020}}
'''Roddam Narasimha''' [[Fellow of the Royal Society|FRS]] is Chairman of the Engineering Mechanics Unit at the [[Jawaharlal Nehru Centre for Advanced Scientific Research]] (JNCASR). He concurrently holds the Pratt & Whitney chair in Science and Engineering at the [[University of Hyderabad]].
{{Use dmy dates|date=December 2020}}
{{Infobox scientist
| name = Roddam Narasimha
| native_name =
| image = Rodham Narasimha.jpg
| birth_date = {{birth date|1933|7|20|df=y}}
| birth_place =
| death_date = {{death date and age|2020|12|14|1933|7|20|df=y}}
| death_place = [[Bangalore, Karnataka]], India
| field = [[Fluid dynamics]]
| work_institutions =
| alma_mater = [[Mysore University]]<br />[[Indian Institute of Science]]<br />[[California Institute of Technology]]
| thesis_title = Some Flow Problems in Rarefied Gas Dynamics<ref>{{Cite thesis|title=Some flow problems in rarefied gas dynamics|url=https://resolver.caltech.edu/CaltechETD:etd-11042003-095050|publisher=California Institute of Technology|date=1961|degree=phd|language=en|first=Roddam|last=Narasimha|access-date=15 December 2020|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215173011/https://thesis.library.caltech.edu/4400/|url-status=live}}</ref><ref>{{Cite web|title=Caltech Thesis Library - Roddam Narasimha|url=https://thesis.library.caltech.edu/4400/1/Narasimha_r_1961.pdf|access-date=15 December 2020|website=Caltech Library|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215072942/https://thesis.library.caltech.edu/4400/1/Narasimha_r_1961.pdf|url-status=live}}</ref>
| thesis_year = 1961
| doctoral_advisor = [[Hans W. Liepmann]]<ref>{{cite web |url=https://www.genealogy.math.ndsu.nodak.edu/id.php?id=121035 |title=Roddam Narasimha – The Mathematics Genealogy Project |publisher=Genealogy.math.ndsu.nodak.edu |date=4 April 2017 |access-date=14 April 2018 |archive-date=9 August 2018 |archive-url=https://web.archive.org/web/20180809104316/https://www.genealogy.math.ndsu.nodak.edu/id.php?id=121035 |url-status=live }}</ref>
| doctoral_students = [[K. R. Sreenivasan]]<ref>{{cite web | url=https://www.genealogy.math.ndsu.nodak.edu/id.php?id=136929 | title=Katepalli R. Sreenivasan | publisher=Mathematics Genealogy Project | access-date=5 November 2018 | archive-date=6 November 2018 | archive-url=https://web.archive.org/web/20181106132159/https://www.genealogy.math.ndsu.nodak.edu/id.php?id=136929 | url-status=live }}</ref> <br /> [[Rama Govindarajan]]<ref>{{cite news |last1=Desikan |first1=Shubashree |last2=Kulkarni |first2=Tanu |title=An intellect with a passion for learning, discussing and teaching |url=https://www.thehindu.com/news/cities/bangalore/an-intellect-with-a-passion-for-learning-discussing-and-teaching/article33339048.ece |access-date=16 December 2020 |work=[[The Hindu]] |date=16 December 2020 |archive-date=16 December 2020 |archive-url=https://web.archive.org/web/20201216020144/https://www.thehindu.com/news/cities/bangalore/an-intellect-with-a-passion-for-learning-discussing-and-teaching/article33339048.ece |url-status=live }}</ref>
}}
'''Roddam Narasimha''' [[Fellow of the Royal Society|FRS]] (20 July 1933{{spnd}}14 December 2020) was an Indian [[aerospace]] scientist and [[fluid dynamics|fluid dynamicist]]. He was a professor of Aerospace Engineering at the [[Indian Institute of Science]] (1962–1999), director of the [[National Aerospace Laboratories]] (1984–1993) and the chairman of the Engineering Mechanics Unit at [[Jawaharlal Nehru Centre for Advanced Scientific Research]] (JNCASR, 2000–2014).<ref>{{Cite web|title=Prof Roddam Narasimha, former Director of CSIR-National Aerospace Laboratories (from 1984 to 1993) is no more. – CSIR – NAL|url=https://www.nal.res.in/en/latestupdate?ar_id=209|access-date=15 December 2020|website=www.nal.res.in|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215173000/https://www.nal.res.in/en/latestupdate?ar_id=209|url-status=live}}</ref> He was the DST Year-of-Science Chair Professor at JNCASR and concurrently held the Pratt & Whitney Chair in Science and Engineering at the [[University of Hyderabad]]. Narasimha was awarded the [[Padma Vibhushan]], India's second-highest civilian award, in 2013 for his contributions to advance India's aerospace technology.<ref>{{cite web |date=29 January 2013 |title=Padma Awards |url=http://pib.nic.in/newsite/erelease.aspx?relid=91838 |url-status=live |archive-url=https://web.archive.org/web/20131104034429/http://pib.nic.in/newsite/erelease.aspx?relid=91838 |archive-date=4 November 2013 |access-date=29 January 2013 |publisher=pib}}</ref>


== Early life ==
==Education and career==
Narasimha was born on 20 July 1933. He was born in a Kannada family tracing its origins to [[Roddam, Anantapur district|Roddam]], a village in the [[Anantapur district]] of [[Andhra Pradesh]].<ref name=":1">{{Cite web|title=Aakaasha Raaya – Bhāvanā|url=https://bhavana.org.in/roddam-narasimha/|access-date=15 December 2020|language=en-US|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215030327/http://bhavana.org.in/roddam-narasimha/|url-status=live}}</ref> His father, R.L. Narasimhaiah, was a professor of physics in Bangalore's [[Central College, Bangalore|Central College]], and was also a [[Kannada|Kannada language]] science writer with a focus on physics and astronomy.<ref>{{Cite web|title=Roddam Narasimha: A keen scientific mind and scholar|url=https://www.theweek.in/news/india/2020/12/15/roddam-narasimha-a-keen-scientific-mind-and-scholar.html|access-date=15 December 2020|website=The Week|language=en|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215173025/https://www.theweek.in/news/india/2020/12/15/roddam-narasimha-a-keen-scientific-mind-and-scholar.html|url-status=live}}</ref>
He was educated at the University College of Engineering and at the [[Indian Institute of Science]] in [[Bangalore]],
and obtained in 1961 his [[Doctor of Philosophy|PhD]] degree at the [[California Institute of Technology]] (Caltech) in the [[United States]].
He joined the [[Indian Institute of Science]] (IISc) in 1962 and was associated with the Department of [[Aerospace Engineering]] in various capacities from that date till 1999. In 1982 he founded the Centre for Atmospheric Sciences (now Centre for Atmospheric and Oceanic Sciences), which he headed till 1989. During 1984 to 1993 he was Director of the [[National Aerospace Laboratories]] (NAL). For many years since 1983 he held a visiting position at Caltech, as Clark B Millikan Professor or Sherman
Fairchild Distinguished Scholar. Between 1989 and 1990 he was Jawaharlal Nehru Professor of Engineering at [[Cambridge University]] in [[England]]. He has also held visiting positions at [[NASA Langley]], [[Strathclyde]], [[University of Brussels]], and [[Adelaide University]]. From 1990 to 1994 he was [[Indian National Science Academy|INSA]] Golden Jubilee Research Professor, and from 1994 to 1999 the [[ISRO]] K R Ramanathan Distinguished Professor at IISc and JNCASR. He was Director of the [[National Institute of Advanced Studies]] ((NIAS) during 1997-2004.


Narasimha completed his schooling at [[Acharya Pathasala Public School|Acharya Pathasala]] in the [[Gandhi Bazaar]] neighbourhood of Bangalore.<ref name=":1" /> He obtained his graduate degree in mechanical engineering from [[University Visvesvaraya College of Engineering]] in Bangalore, which was affiliated with [[Mysore University]]. During this time he visited the [[Tata Institute]] (now known as the Indian Institute of Science), where the [[Supermarine Spitfire|Spitfire aircraft]] displayed in the aeronautical department caught his interest. After his graduation in 1953, while he was encouraged by his family members to accept a job with the [[Indian Railways]] or with [[Burmah Shell]], but he went on to join the [[Indian Institute of Science]] in Bangalore for his master's degree in engineering, which he completed in 1955.<ref>{{cite web|title=Caltech Aerospace (GALCIT)|url=http://www.galcit.caltech.edu/about/history#1941|access-date=14 April 2018|publisher=Galcit.caltech.edu|archive-date=14 November 2013|archive-url=https://web.archive.org/web/20131114064710/http://www.galcit.caltech.edu/about/history#1941|url-status=live}}</ref> During this time he worked with [[Satish Dhawan]], who later chaired the [[Indian Space Research Organisation]]. He then went to the United States to complete his PhD in 1961 under [[Hans Liepmann]] at the [[California Institute of Technology]].<ref>{{Cite web|title=Flow Problems in Rarefied Gas Dynamics|url=http://desktop.jncasr.ac.in/uploaded/roddam/file/Narasimha_r_1961.pdf|url-status=live|archive-url=https://web.archive.org/web/20160304132410/http://desktop.jncasr.ac.in/uploaded/roddam/file/Narasimha_r_1961.pdf|archive-date=4 March 2016}}</ref>
Narasimha’s research has been chiefly concerned with aerospace fluid dynamics and certain related problems in the atmosphere.
He has made extensive studies of transitions between laminar and turbulent flow (going in either direction), the structure of shock waves, various characteristics of fully developed turbulent flow (e.g. their memory, the bursting phenomenon in boundary layers), the fluid dynamics of clouds, near-surface temperature distributions and eddy fluxes in atmospheric boundary layers. He has been closely associated with aerospace technology development in India at both technical and policy-making levels. During 1977-79, he was the Chief Project Coordinator in Hindustan Aeronautics Limited.


==Career==
As Director of NAL he initiated and oversaw several major technology programmes. He served on the Board of Directors of [[Hindustan Aeronautics Limited]] for several years. As a member of Prime Minister [[Rajiv Gandhi]]’s Scientific Advisory Council he was instrumental in establishing a major parallel computing initiative in the country. He was President of the [[Indian Academy of Sciences]] during 1992 till 1994 and spear-headed a new programme on university education in science, leading to the establishment of the journal Resonance and other Academy programmes involving teachers and students. He has served on the National Security Advisory Board and the Scientific Advisory Committee to the Prime Minister Cabinet. He is currently a member of the Space Commission, and co-chairs the Joint Steering Committee and the Joint Scientific Working Group for the Indo-French atmospheric research satellite [[Megha-Tropiques Mission|Megha-Tropiques]].
Narasimha started his research career at [[California Institute of Technology|Caltech]], working on the problem of [[jet engine]] noise reduction. After the launch of the Russian [[Sputnik 1|''Sputnik'']] and the resulting interest in space programs, he shifted focus to [[rarefied]] gas and [[fluid dynamics]], working with [[Hans W. Liepmann]].<ref name=":2">{{Cite web|last=Sandhya Ramesh|date=15 December 2020|title=Aerospace scientist Roddam Narasimha, 'an authority on fluid dynamics', dies at 87|url=https://theprint.in/science/aerospace-scientist-roddam-narasimha-an-authority-on-fluid-dynamics-dies-at-87/567020/|access-date=16 December 2020|website=[[ThePrint]]|language=en-US|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215093439/https://theprint.in/science/aerospace-scientist-roddam-narasimha-an-authority-on-fluid-dynamics-dies-at-87/567020/|url-status=live}}</ref> He continued this research at the [[NASA Jet Propulsion Laboratory]], where he went on to study aerodynamics and supersonic flows toward better understanding of the structure of shockwaves. During this time, he worked on one of the space agency's first computers.<ref name=":2" />


He returned to India in 1962, and joined the [[Indian Institute of Science]] as a professor in its aeronautical engineering department (1962–1999), where he continued his fluid dynamics research, studying [[Turbulent Flow|turbulent flow]] and relaminarisation, including the study of fluid flow from turbulent (chaotic) to [[Laminar flow|laminar]] (streamlined) forms.<ref name=":2" /> In 1970, he was a member of the investigation team under [[Satish Dhawan]] that studied the airworthiness of [[Indian Airlines]] [[Avro 748]].<ref name=":2" /><ref>{{Cite web|title=Above the Clouds – Bhāvanā|url=http://bhavana.org.in/roddam-narasimha-part2/|access-date=16 December 2020|language=en-US|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215043815/http://bhavana.org.in/roddam-narasimha-part2/|url-status=live}}</ref>
As Director of NIAS Narasimha initiated a series of major dialogues on international security issues with the US National Academy of Sciences and other bodies, and pursued his interests in the history of science and technology.

He was the ISRO K. R. Ramanathan distinguished professor at the Indian Institute of Science (1994–1999), Director of the [[National Aerospace Laboratories]] (1984–1993), Director of the [[National Institute of Advanced Studies]] (1997–2004) and the Chairman of the Engineering Mechanics Unit at [[Jawaharlal Nehru Centre for Advanced Scientific Research]] (JNCASR), [[Bangalore]] (2000–2014).<ref>{{Cite web|title=Prof Roddam Narasimha, former Director of CSIR-National Aerospace Laboratories (from 1984 to 1993) is no more. - CSIR - NAL|url=https://www.nal.res.in/en/latestupdate?ar_id=209|access-date=15 December 2020|website=www.nal.res.in|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215173000/https://www.nal.res.in/en/latestupdate?ar_id=209|url-status=live}}</ref> He was the DST Year-of-Science Chair Professor at JNCASR and also held the Pratt & Whitney Chair in Science and Engineering at the [[University of Hyderabad]].<ref name=":2" /><ref name="JNCASR_bio">{{Cite web|title=Narasimha Roddam - Academic profile|url=http://www.jncasr.ac.in/roddam/index.php?menu_id=2&user_id=12&page_id=560|access-date=15 December 2020|website=www.jncasr.ac.in|archive-date=13 May 2016|archive-url=https://web.archive.org/web/20160513232525/http://www.jncasr.ac.in/roddam/index.php?menu_id=2&user_id=12&page_id=560|url-status=live}}</ref> He was also a visiting member of the faculty at international universities including the University of Brussels, Caltech, [[University of Cambridge]], [[Langley Research Center]], [[University of Strathclyde]] and [[University of Adelaide]].<ref name=":2" /> He served former Prime Minister [[Rajiv Gandhi]]'s scientific advisory council.<ref name=":2" />

During his time at the [[National Aerospace Laboratories]], Narasimha led the research initiative into [[parallel computing]] as a means to solve fluid dynamics problems.<ref name=":2" /><ref>{{Cite web|last1=Basu|first1=A. J.|last2=Sinha|first2=U. N.|last3=Narasimha|first3=R.|date=1992-06-01|title=Direct Numerical Simulation of Turbulence on the Flosolver MK3 Parallel Computer|url=https://nal-ir.nal.res.in/1696/|access-date=2020-12-16|website=nal-ir.nal.res.in|language=en|archive-date=28 November 2020|archive-url=https://web.archive.org/web/20201128201823/https://nal-ir.nal.res.in/1696/|url-status=live}}</ref> His efforts lead to first parallel computer in India and development of a code for weather prediction of tropical regions. He was also a contributing member to the team that designed the [[light combat aircraft]].<ref name=":3"/>

Over the course of his six decade long academic career he has made significant contributions to fundamental and applied fluid dynamics. At the Indian Institute of Science, his research included the ‘bursting’ phenomenon in a turbulent boundary layer,<ref>{{Cite journal|last1=Rao|first1=K. Narahari|last2=Narasimha|first2=R.|last3=Narayanan|first3=M. A. Badri|date=1971-07-28|title=The 'bursting' phenomenon in a turbulent boundary layer|url=http://dx.doi.org/10.1017/s0022112071001605|journal=Journal of Fluid Mechanics|volume=48|issue=2|pages=339–352|doi=10.1017/s0022112071001605|bibcode=1971JFM....48..339R|s2cid=55167124 |issn=0022-1120}}</ref> non-linear vibration of an elastic string,<ref>{{Cite journal|last=Narasimha|first=R.|date=July 1968|title=Non-Linear vibration of an elastic string|url=http://dx.doi.org/10.1016/0022-460x(68)90200-9|journal=Journal of Sound and Vibration|volume=8|issue=1|pages=134–146|doi=10.1016/0022-460x(68)90200-9|bibcode=1968JSV.....8..134N|issn=0022-460X}}</ref> equilibrium and relaxation in turbulent wakes,<ref>{{Cite journal|last1=Narasimha|first1=R.|last2=Prabhu|first2=A.|date=1972-07-11|title=Equilibrium and relaxation in turbulent wakes|url=http://dx.doi.org/10.1017/s0022112072000497|journal=Journal of Fluid Mechanics|volume=54|issue=1|pages=1–17|doi=10.1017/s0022112072000497|bibcode=1972JFM....54....1N|s2cid=120606921 |issn=0022-1120|access-date=5 January 2021|archive-date=7 December 2021|archive-url=https://web.archive.org/web/20211207185840/https://www.cambridge.org/core/journals/journal-of-fluid-mechanics/article/abs/equilibrium-and-relaxation-in-turbulent-wakes/DCCF87613670103FD1FE7F3D713F2947|url-status=live}}</ref> relaminarization,<ref>{{Citation|last1=Narasimha|first1=R.|title=Relaminarization of Fluid Flows|date=1979|url=http://dx.doi.org/10.1016/s0065-2156(08)70311-9|work=Advances in Applied Mechanics|pages=221–309|publisher=Elsevier|isbn=978-0-12-002019-5|access-date=2021-01-05|last2=Sreenivasan|first2=K.R.|volume=19|doi=10.1016/s0065-2156(08)70311-9|bibcode=1979aam....19..221N}}</ref> hydrodynamic instability,<ref>{{Cite journal|last1=Govindarajan|first1=Rama|last2=Narasimha|first2=R.|date=1997-12-08|title=A low-order theory for stability of non-parallel boundary layer flows|url=https://royalsocietypublishing.org/doi/abs/10.1098/rspa.1997.0135|journal=Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences|volume=453|issue=1967|pages=2537–2549|doi=10.1098/rspa.1997.0135|bibcode=1997RSPSA.453.2537G|s2cid=123579986}}</ref> wall jets<ref>{{Cite journal|last1=Narayan|first1=K Yegna|last2=Narasimha|first2=R|date=August 1973|title=Parametric Analysis of Turbulent Wall Jets|url=http://dx.doi.org/10.1017/s0001925900006600|journal=Aeronautical Quarterly|volume=24|issue=3|pages=207–218|doi=10.1017/s0001925900006600|issn=0001-9259}}</ref> and the study of clouds<ref>{{Cite journal|last1=Bhat|first1=G. S.|last2=Narasimha|first2=R.|date=1996-10-25|title=A volumetrically heated jet: large-eddy structure and entrainment characteristics|url=http://dx.doi.org/10.1017/s0022112096008130|journal=Journal of Fluid Mechanics|volume=325|pages=303–330|doi=10.1017/s0022112096008130|bibcode=1996JFM...325..303B|s2cid=121860624 |issn=0022-1120}}</ref><ref>{{Cite journal|last1=BASU|first1=A. J.|last2=NARASIMHA|first2=R.|date=1999-04-25|title=Direct numerical simulation of turbulent flows with cloud-like off-source heating|url=http://dx.doi.org/10.1017/s0022112099004280|journal=Journal of Fluid Mechanics|volume=385|issue=1|pages=199–228|doi=10.1017/s0022112099004280|bibcode=1999JFM...385..199B|s2cid=122879395 |issn=0022-1120}}</ref> as volumetrically heated jets. At the Engineering Mechanics Unit of the Jawaharlal Nehru Centre for Advanced Scientific Research, Narasimha continued his research on fluid dynamics of clouds via laboratory experiments<ref>{{Cite journal|last1=Narasimha|first1=R.|last2=Diwan|first2=S. S.|last3=Duvvuri|first3=S.|last4=Sreenivas|first4=K. R.|last5=Bhat|first5=G. S.|date=2011-09-14|title=Laboratory simulations show diabatic heating drives cumulus-cloud evolution and entrainment|journal=Proceedings of the National Academy of Sciences|volume=108|issue=39|pages=16164–16169|doi=10.1073/pnas.1112281108|pmid=21918112|pmc=3182732|issn=0027-8424|doi-access=free}}</ref> as well as numerical simulations.<ref>{{Citation|last1=Rao|first1=Samrat|title=A DNS Study of Bulk Flow Characteristics of a Transient Diabatic Plume that Simulates Cloud Flow|date=2020|url=http://dx.doi.org/10.1007/978-981-15-1189-9_31|work=Recent Advances in Theoretical, Applied, Computational and Experimental Mechanics|pages=387–396|place=Singapore|publisher=Springer Singapore|isbn=978-981-15-1188-2|access-date=2021-01-05|last2=Vybhav|first2=G. R.|last3=Prasanth|first3=P.|last4=Deshpande|first4=S. M.|last5=Narasimha|first5=R.|series=Lecture Notes in Mechanical Engineering |doi=10.1007/978-981-15-1189-9_31|s2cid=216430546 }}</ref> He also studied gas turbine blades,<ref>{{Cite journal|last1=Ranjan|first1=Rajesh|last2=Deshpande|first2=S.M.|last3=Narasimha|first3=Roddam|date=August 2017|title=New insights from high-resolution compressible DNS studies on an LPT blade boundary layer|url=http://dx.doi.org/10.1016/j.compfluid.2017.05.004|journal=Computers & Fluids|volume=153|pages=49–60|doi=10.1016/j.compfluid.2017.05.004|issn=0045-7930}}</ref> turbulent free shear layers<ref>{{Cite journal|last1=Suryanarayanan|first1=Saikishan|last2=Narasimha|first2=Roddam|last3=Dass|first3=N. D. Hari|date=2014-01-14|title=Free turbulent shear layer in a point vortex gas as a problem in nonequilibrium statistical mechanics|url=http://dx.doi.org/10.1103/physreve.89.013009|journal=Physical Review E|volume=89|issue=1|page=013009|doi=10.1103/physreve.89.013009|pmid=24580322|bibcode=2014PhRvE..89a3009S|issn=1539-3755}}</ref> and proposed a novel wing design for turboprop aircraft.<ref>{{Cite patent|title=Optimal wing planforms for reducing the induced or total drag of the wing of an aircraft driven by wing-mounted tractor propellers/rotors|gdate=2010-07-05|url=https://patents.google.com/patent/US8915467B2/en}}</ref>

He was the longest-serving member of the Indian Space Commission, a policy-making body for space exploration in India.<ref name=":2" /> He resigned from this position in February 2012, in protest at the blacklisting of three former ISRO technocrats including [[G. Madhavan Nair]], former ISRO chairman, for their perceived role in a controversial agreement between ISRO's commercial entity [[Antrix Corporation|Antrix]] and Devas Multimedia in 2005.<ref>{{cite news|title=Roddam Narasimha quits Space Commission|url=http://www.thehindubusinessline.com/industry-and-economy/economy/article2928179.ece|publisher=TheHindu.com|access-date=30 May 2012|agency=Associated Press|date=24 February 2012|archive-date=29 April 2012|archive-url=https://web.archive.org/web/20120429094306/http://www.thehindubusinessline.com/industry-and-economy/economy/article2928179.ece|url-status=live}}</ref><ref>{{cite web|title=Eminent Indian space scientist quits in protest|url=http://tdnpost.com/news/eminent-indian-space-scientist-quits-in-protest-14540.html|archive-url=https://web.archive.org/web/20120229211802/http://tdnpost.com/news/eminent-indian-space-scientist-quits-in-protest-14540.html|url-status=dead|archive-date=29 February 2012|publisher=TDNPost.com|access-date=30 May 2012|date=24 February 2012}}</ref>


==Honours==
==Honours==
[[File:The President, Shri Pranab Mukherjee presenting the Padma Vibhushan Award to Prof. Roddam Narasimha, at an Investiture Ceremony-II, at Rashtrapati Bhavan, in New Delhi on April 20, 2013.jpg|thumb|The President, Shri Pranab Mukherjee presenting the Padma Vibhushan Award to Prof. Roddam Narasimha, at an Investiture Ceremony-II, at Rashtrapati Bhavan, in New Delhi on 20 April 2013]]
He has been widely honoured for his research work as well as his scientific leadership. He is a [[Fellow of the Royal Society]], and a Foreign Associate of both the US [[National Academy of Engineering]] and the US [[National Academy of Sciences]]. He is also an Honorary Member of the [[American Academy of Arts and Sciences]], and a Fellow of the [[American Institute of Aeronautics and Astronautics]]. In India his distinctions include the Bhatnagar Prize, the Gujarmal Modi Award and the [[Padma Bhushan]], among many others. He is a Fellow of all the national academies of science and engineering, and an Honorary Fellow of the [[Aeronautical Society of India]]. He is a Distinguished Alumnus of both Caltech and IISc. He has delivered numerous invited lectures at various international conferences. In 2000 he won the Fluid Dynamics Award of the [[American Institute of Aeronautics and Astronautics]].
Narasimha was an honorary member of the [[American Academy of Arts and Sciences]], and a [[Fellow of the Royal Society]] of London, and also of the [[American Institute of Aeronautics and Astronautics]]. He was a distinguished alumnus of Caltech and the IISc.<ref>{{cite web|date=31 October 2009|title=Caltech Aerospace (GALCIT) &#124; Distinguished Alumni|url=http://www.galcit.caltech.edu/people/distinguished|access-date=14 April 2018|publisher=Galcit.caltech.edu|archive-date=10 April 2018|archive-url=https://web.archive.org/web/20180410002859/http://galcit.caltech.edu/people/distinguished|url-status=live}}</ref><ref>{{cite web|title=Distinguished Alumni List|publisher=[[Indian Institute of Science]]|url=http://www.aero.iisc.ernet.in/dalumni_list.php|url-status=dead|archive-url=https://web.archive.org/web/20130315002420/http://www.aero.iisc.ernet.in/dalumni_list.php|archive-date=15 March 2013|access-date=11 July 2012}}</ref> He was also a foreign associate of the [[National Academy of Engineering]] and the [[United States National Academy of Sciences|National Academy of Sciences]] in the United States.<ref>{{cite web|date=2 May 2000|title=2000 NAS New Member Elections|url=http://www8.nationalacademies.org/onpinews/newsitem.aspx?RecordID=05022000|url-status=dead|archive-url=https://web.archive.org/web/20171013172400/http://www8.nationalacademies.org/onpinews/newsitem.aspx?RecordID=05022000|archive-date=13 October 2017|access-date=14 April 2018|publisher=.nationalacademies.org}}</ref>
He is the author of more than 200 [[research publication]]s and fifteen books.


Some of his honours and awards include:
==External links==
*[http://www.jncasr.ac.in/emu/rnsimha/RN_Website_12may08/rn.htm Profile at JNCASR]


* 1975{{Spaced en dash}}[[SS Bhatnagar Prize]]<ref name=":0">{{Cite web|title=INSA :: Indian Fellow Detail|url=http://www.insaindia.res.in/detail/N79-0510|access-date=16 December 2020|website=www.insaindia.res.in|archive-date=27 February 2020|archive-url=https://web.archive.org/web/20200227094235/http://insaindia.res.in/detail/N79-0510|url-status=dead}}</ref><ref name=":3" />
* 1987{{Spaced en dash}}[[Padma Bhushan]], India's third highest civilian award.<ref name=":3">{{Cite web|author=Staff Writer|date=15 December 2020|title='Pained by his demise': PM Modi condoles death of Professor Roddam Narasimha|url=https://www.livemint.com/news/india/-pained-by-his-demise-pm-modi-condoles-death-of-aerospace-scientist-roddam-narasimha-11608014788602.html|access-date=16 December 2020|website=mint|language=en|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215170532/https://www.livemint.com/news/india/-pained-by-his-demise-pm-modi-condoles-death-of-aerospace-scientist-roddam-narasimha-11608014788602.html|url-status=live}}</ref>
* 1990{{Spaced en dash}}[[Gujarmal Modi]] Award<ref name=":0" />
* 1998{{Spaced en dash}}[[S. Ramanujan]] Medal, Indian Science Congress<ref name=":0" />
* 2000{{Spaced en dash}}[[Fluid dynamics]] Award, [[American Institute of Aeronautics and Astronautics]]<ref name=":0" />
* 2008{{Spaced en dash}}Trieste Science Prize, [[The World Academy of Sciences]], [[Trieste]], Italy <ref name=":0" /><ref>{{Cite web|title=Nature - Prize Winners of the Year (2008)|url=https://www.nature.com/news/2008/081217/pdf/456860a.pdf|access-date=15 December 2020|website=Nature|archive-date=5 March 2016|archive-url=https://web.archive.org/web/20160305153710/http://www.nature.com/news/2008/081217/pdf/456860a.pdf|url-status=live}}</ref>
* 2009{{Spaced en dash}}Lifetime Achievement Award, Science and Technology Congress, Gulbarga University<ref>{{cite news|date=22 September 2009|title=Honour for scientist Roddam Narasimha|publisher=The Hindu.com|agency=Associated Press|url=http://www.thehindu.com/news/cities/Bangalore/article23619.ece|access-date=30 May 2012|archive-date=5 May 2012|archive-url=https://web.archive.org/web/20120505063345/http://www.thehindu.com/news/cities/Bangalore/article23619.ece|url-status=live}}</ref>
* 2013{{Spaced en dash}}[[Padma Vibhushan]], India's second highest civilian award<ref>{{Cite web|title=Padma Vibhushan Awardee Aerospace Scientist Roddam Narasimha Dies At 87|url=https://www.outlookindia.com/website/story/india-news-padma-vibhushan-awardee-aerospace-scientist-roddam-narasimha-dies-at-87/367269|access-date=16 December 2020|website=Outlook India|date=15 December 2020 |archive-date=16 December 2020|archive-url=https://web.archive.org/web/20201216024523/https://www.outlookindia.com/website/story/india-news-padma-vibhushan-awardee-aerospace-scientist-roddam-narasimha-dies-at-87/367269|url-status=live}}</ref><ref name="Padma Awards">{{cite web|date=2015|title=Padma Awards|url=http://mha.nic.in/sites/upload_files/mha/files/LST-PDAWD-2013.pdf/|url-status=live|archive-url=https://web.archive.org/web/20151015193758/http://mha.nic.in/sites/upload_files/mha/files/LST-PDAWD-2013.pdf|archive-date=15 October 2015|access-date=21 July 2015|publisher=Ministry of Home Affairs, Government of India}}</ref>
*2019{{Spaced en dash}}Lifetime Achievement Award for Mentoring in Science, [[Nature (journal)|''Nature'']] Magazine<ref>{{Cite journal|last=Dance|first=Amber|date=6 February 2020|title=What the best mentors do|url=https://www.nature.com/articles/d41586-020-00351-7|journal=Nature|language=en|doi=10.1038/d41586-020-00351-7|pmid=33542485|s2cid=214423534|access-date=16 December 2020|archive-date=16 November 2020|archive-url=https://web.archive.org/web/20201116084721/https://www.nature.com/articles/d41586-020-00351-7|url-status=live}}</ref><ref>{{Cite web|date=16 December 2020|title=Roddam Narasimha (1933-2020): 'Almost perfect guru, steeped in Indian tradition'|url=https://indianexpress.com/article/india/roddam-narasimha-1933-2020-almost-perfect-guru-steeped-in-indian-tradition-7106467/|access-date=16 December 2020|website=The Indian Express|language=en|archive-date=16 December 2020|archive-url=https://web.archive.org/web/20201216022739/https://indianexpress.com/article/india/roddam-narasimha-1933-2020-almost-perfect-guru-steeped-in-indian-tradition-7106467/|url-status=live}}</ref>


He was the author of more than 200 [[Publication|research publications]] and fifteen books.<ref>{{cite web |url=http://www.jncasr.ac.in/roddam/index.php?menu_id=42&user_id=12&page_id=824 |title=Narasimha Roddam - Publications |publisher=Jncasr.ac.in |date=24 January 2012 |access-date=14 April 2018 |archive-date=5 March 2018 |archive-url=https://web.archive.org/web/20180305025531/http://www.jncasr.ac.in/roddam/index.php?menu_id=42&user_id=12&page_id=824 |url-status=live }}</ref>
{{DEFAULTSORT:Narasimha}}
[[Category:Royal Society]]
[[Category:Indian scientists]]
[[Category:Padma Bhushan recipients]]


== Personal life ==
{{India-scientist-stub}}
Narasimha died on 14 December 2020, from [[brain haemorrhage]] at the [[MS Ramaiah Medical College, Bangalore|MS Ramaiah Memorial Hospital]] in Bangalore. He was 87 and was survived by his wife and daughter.<ref>{{Cite web|date=15 December 2020|title=Padma Vibhushan awardee and eminent aerospace scientist Roddam Narasimha dies|url=https://www.hindustantimes.com/india-news/padma-vibhushan-awardee-and-eminent-aerospace-scientist-roddam-narasimha-dies/story-OjKQNQfgRGBgGU7mBzjMwM.html|access-date=15 December 2020|website=Hindustan Times|language=en|archive-date=15 December 2020|archive-url=https://web.archive.org/web/20201215173004/https://www.hindustantimes.com/india-news/over-rs-100-lakh-cr-worth-infrastructure-projects-underway-by-2024-25-gadkari/story-Q1kb0cEQHy2oUE83Vbz5VO.html|url-status=live}}</ref>

== Books ==
* {{Cite book|last=Narasimha|first=Roddam|url=https://books.google.com/books?id=RbwKyAEACAAJ|title=Orifice Flow at High Knudsen Numbers|date=1961|publisher=Guggenheim Aeronautical Laboratory|language=en}}
* {{Cite book|last=Narasimha|first=Roddam|url=https://books.google.com/books?id=Q2_6xwEACAAJ|title=Collisionless Expansion of Gases Into Vacuum|date=1962|publisher=Guggenheim Aeronautical Laboratory|language=en}}
* {{Cite book|last1=Narasimha|first1=Roddam|url=https://books.google.com/books?id=KlyNAQAACAAJ|title=Effect of Longitudinal Surface Curvature on Boundary Layers|last2=Ojha|first2=S. K.|date=1967|language=en}}
* {{Cite book|last1=Narasimha|first1=Roddam|url=https://books.google.com/books?id=XpFxcweodqQC|title=The Dynamics of Technology: Creation and Diffusion of Skills and Knowledge|last2=Srinivasan|first2=J.|last3=Biswas|first3=S. K.|date=2003|publisher=SAGE|isbn=978-0-7619-9670-5|language=en}}
* {{Cite book|last1=Kalam|first1=APJ Abdul|last2=Narasimha|first2=Roddam|last3=Dhawan|first3=Satish|url=https://books.google.com/books?id=MWPlGwAACAAJ|title=Developments in Fluid Mechanics and Space Technology: Asian Congress of Fluid Mechanics|date=1988|language=en}}

==References==
{{reflist}}

==External links==
*[http://www.jncasr.ac.in/roddam Homepage at JNCASR]
*[http://www.jncasr.ac.in/roddam/index.php?menu_id=2&user_id=12&page_id=560 Academic profile at JNCASR]
{{Padma Vibhushan Awards}}
{{PadmaBhushanAwardRecipients 1980–89}}
{{SSBPST recipients in Engineering Science}}
{{SSBPST recipients in Engineering Science}}
{{Shanti Swarup Bhatnagar Laureates of Karnataka}}
{{FRS 1992}}

{{authority control}}

{{DEFAULTSORT:Narasimha, Roddam}}
[[Category:Engineers from Karnataka]]
[[Category:Recipients of the Padma Bhushan in science & engineering]]
[[Category:Indian institute directors]]
[[Category:Indian fluid dynamicists]]
[[Category:Indian Institute of Science alumni]]
[[Category:Academic staff of the Indian Institute of Science]]
[[Category:California Institute of Technology alumni]]
[[Category:Fellows of the Royal Society]]
[[Category:2020 deaths]]
[[Category:Foreign associates of the National Academy of Sciences]]
[[Category:Recipients of the Padma Vibhushan in science & engineering]]
[[Category:1933 births]]
[[Category:Indian aerospace engineers]]
[[Category:University of Mysore alumni]]
[[Category:20th-century Indian engineers]]
[[Category:20th-century Indian physicists]]
[[Category:Fellows of the Indian National Academy of Engineering]]
[[Category:University Visvesvaraya College of Engineering alumni]]
[[Category:Foreign associates of the National Academy of Engineering]]
[[Category:Recipients of the Shanti Swarup Bhatnagar Award in Engineering Science]]
[[Category:Telugu people]]
[[Category:Engineering professors at the University of Cambridge]]

Latest revision as of 03:39, 22 October 2024

Roddam Narasimha
Born(1933-07-20)20 July 1933
Died14 December 2020(2020-12-14) (aged 87)
Bangalore, Karnataka, India
Alma materMysore University
Indian Institute of Science
California Institute of Technology
Scientific career
FieldsFluid dynamics
Thesis Some Flow Problems in Rarefied Gas Dynamics[1][2]  (1961)
Doctoral advisorHans W. Liepmann[3]
Doctoral studentsK. R. Sreenivasan[4]
Rama Govindarajan[5]

Roddam Narasimha FRS (20 July 1933 – 14 December 2020) was an Indian aerospace scientist and fluid dynamicist. He was a professor of Aerospace Engineering at the Indian Institute of Science (1962–1999), director of the National Aerospace Laboratories (1984–1993) and the chairman of the Engineering Mechanics Unit at Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR, 2000–2014).[6] He was the DST Year-of-Science Chair Professor at JNCASR and concurrently held the Pratt & Whitney Chair in Science and Engineering at the University of Hyderabad. Narasimha was awarded the Padma Vibhushan, India's second-highest civilian award, in 2013 for his contributions to advance India's aerospace technology.[7]

Early life

[edit]

Narasimha was born on 20 July 1933. He was born in a Kannada family tracing its origins to Roddam, a village in the Anantapur district of Andhra Pradesh.[8] His father, R.L. Narasimhaiah, was a professor of physics in Bangalore's Central College, and was also a Kannada language science writer with a focus on physics and astronomy.[9]

Narasimha completed his schooling at Acharya Pathasala in the Gandhi Bazaar neighbourhood of Bangalore.[8] He obtained his graduate degree in mechanical engineering from University Visvesvaraya College of Engineering in Bangalore, which was affiliated with Mysore University. During this time he visited the Tata Institute (now known as the Indian Institute of Science), where the Spitfire aircraft displayed in the aeronautical department caught his interest. After his graduation in 1953, while he was encouraged by his family members to accept a job with the Indian Railways or with Burmah Shell, but he went on to join the Indian Institute of Science in Bangalore for his master's degree in engineering, which he completed in 1955.[10] During this time he worked with Satish Dhawan, who later chaired the Indian Space Research Organisation. He then went to the United States to complete his PhD in 1961 under Hans Liepmann at the California Institute of Technology.[11]

Career

[edit]

Narasimha started his research career at Caltech, working on the problem of jet engine noise reduction. After the launch of the Russian Sputnik and the resulting interest in space programs, he shifted focus to rarefied gas and fluid dynamics, working with Hans W. Liepmann.[12] He continued this research at the NASA Jet Propulsion Laboratory, where he went on to study aerodynamics and supersonic flows toward better understanding of the structure of shockwaves. During this time, he worked on one of the space agency's first computers.[12]

He returned to India in 1962, and joined the Indian Institute of Science as a professor in its aeronautical engineering department (1962–1999), where he continued his fluid dynamics research, studying turbulent flow and relaminarisation, including the study of fluid flow from turbulent (chaotic) to laminar (streamlined) forms.[12] In 1970, he was a member of the investigation team under Satish Dhawan that studied the airworthiness of Indian Airlines Avro 748.[12][13]

He was the ISRO K. R. Ramanathan distinguished professor at the Indian Institute of Science (1994–1999), Director of the National Aerospace Laboratories (1984–1993), Director of the National Institute of Advanced Studies (1997–2004) and the Chairman of the Engineering Mechanics Unit at Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore (2000–2014).[14] He was the DST Year-of-Science Chair Professor at JNCASR and also held the Pratt & Whitney Chair in Science and Engineering at the University of Hyderabad.[12][15] He was also a visiting member of the faculty at international universities including the University of Brussels, Caltech, University of Cambridge, Langley Research Center, University of Strathclyde and University of Adelaide.[12] He served former Prime Minister Rajiv Gandhi's scientific advisory council.[12]

During his time at the National Aerospace Laboratories, Narasimha led the research initiative into parallel computing as a means to solve fluid dynamics problems.[12][16] His efforts lead to first parallel computer in India and development of a code for weather prediction of tropical regions. He was also a contributing member to the team that designed the light combat aircraft.[17]

Over the course of his six decade long academic career he has made significant contributions to fundamental and applied fluid dynamics. At the Indian Institute of Science, his research included the ‘bursting’ phenomenon in a turbulent boundary layer,[18] non-linear vibration of an elastic string,[19] equilibrium and relaxation in turbulent wakes,[20] relaminarization,[21] hydrodynamic instability,[22] wall jets[23] and the study of clouds[24][25] as volumetrically heated jets. At the Engineering Mechanics Unit of the Jawaharlal Nehru Centre for Advanced Scientific Research, Narasimha continued his research on fluid dynamics of clouds via laboratory experiments[26] as well as numerical simulations.[27] He also studied gas turbine blades,[28] turbulent free shear layers[29] and proposed a novel wing design for turboprop aircraft.[30]

He was the longest-serving member of the Indian Space Commission, a policy-making body for space exploration in India.[12] He resigned from this position in February 2012, in protest at the blacklisting of three former ISRO technocrats including G. Madhavan Nair, former ISRO chairman, for their perceived role in a controversial agreement between ISRO's commercial entity Antrix and Devas Multimedia in 2005.[31][32]

Honours

[edit]
The President, Shri Pranab Mukherjee presenting the Padma Vibhushan Award to Prof. Roddam Narasimha, at an Investiture Ceremony-II, at Rashtrapati Bhavan, in New Delhi on 20 April 2013

Narasimha was an honorary member of the American Academy of Arts and Sciences, and a Fellow of the Royal Society of London, and also of the American Institute of Aeronautics and Astronautics. He was a distinguished alumnus of Caltech and the IISc.[33][34] He was also a foreign associate of the National Academy of Engineering and the National Academy of Sciences in the United States.[35]

Some of his honours and awards include:

He was the author of more than 200 research publications and fifteen books.[43]

Personal life

[edit]

Narasimha died on 14 December 2020, from brain haemorrhage at the MS Ramaiah Memorial Hospital in Bangalore. He was 87 and was survived by his wife and daughter.[44]

Books

[edit]
  • Narasimha, Roddam (1961). Orifice Flow at High Knudsen Numbers. Guggenheim Aeronautical Laboratory.
  • Narasimha, Roddam (1962). Collisionless Expansion of Gases Into Vacuum. Guggenheim Aeronautical Laboratory.
  • Narasimha, Roddam; Ojha, S. K. (1967). Effect of Longitudinal Surface Curvature on Boundary Layers.
  • Narasimha, Roddam; Srinivasan, J.; Biswas, S. K. (2003). The Dynamics of Technology: Creation and Diffusion of Skills and Knowledge. SAGE. ISBN 978-0-7619-9670-5.
  • Kalam, APJ Abdul; Narasimha, Roddam; Dhawan, Satish (1988). Developments in Fluid Mechanics and Space Technology: Asian Congress of Fluid Mechanics.

References

[edit]
  1. ^ Narasimha, Roddam (1961). Some flow problems in rarefied gas dynamics (phd thesis). California Institute of Technology. Archived from the original on 15 December 2020. Retrieved 15 December 2020.
  2. ^ "Caltech Thesis Library - Roddam Narasimha" (PDF). Caltech Library. Archived (PDF) from the original on 15 December 2020. Retrieved 15 December 2020.
  3. ^ "Roddam Narasimha – The Mathematics Genealogy Project". Genealogy.math.ndsu.nodak.edu. 4 April 2017. Archived from the original on 9 August 2018. Retrieved 14 April 2018.
  4. ^ "Katepalli R. Sreenivasan". Mathematics Genealogy Project. Archived from the original on 6 November 2018. Retrieved 5 November 2018.
  5. ^ Desikan, Shubashree; Kulkarni, Tanu (16 December 2020). "An intellect with a passion for learning, discussing and teaching". The Hindu. Archived from the original on 16 December 2020. Retrieved 16 December 2020.
  6. ^ "Prof Roddam Narasimha, former Director of CSIR-National Aerospace Laboratories (from 1984 to 1993) is no more. – CSIR – NAL". www.nal.res.in. Archived from the original on 15 December 2020. Retrieved 15 December 2020.
  7. ^ "Padma Awards". pib. 29 January 2013. Archived from the original on 4 November 2013. Retrieved 29 January 2013.
  8. ^ a b "Aakaasha Raaya – Bhāvanā". Archived from the original on 15 December 2020. Retrieved 15 December 2020.
  9. ^ "Roddam Narasimha: A keen scientific mind and scholar". The Week. Archived from the original on 15 December 2020. Retrieved 15 December 2020.
  10. ^ "Caltech Aerospace (GALCIT)". Galcit.caltech.edu. Archived from the original on 14 November 2013. Retrieved 14 April 2018.
  11. ^ "Flow Problems in Rarefied Gas Dynamics" (PDF). Archived (PDF) from the original on 4 March 2016.
  12. ^ a b c d e f g h i Sandhya Ramesh (15 December 2020). "Aerospace scientist Roddam Narasimha, 'an authority on fluid dynamics', dies at 87". ThePrint. Archived from the original on 15 December 2020. Retrieved 16 December 2020.
  13. ^ "Above the Clouds – Bhāvanā". Archived from the original on 15 December 2020. Retrieved 16 December 2020.
  14. ^ "Prof Roddam Narasimha, former Director of CSIR-National Aerospace Laboratories (from 1984 to 1993) is no more. - CSIR - NAL". www.nal.res.in. Archived from the original on 15 December 2020. Retrieved 15 December 2020.
  15. ^ "Narasimha Roddam - Academic profile". www.jncasr.ac.in. Archived from the original on 13 May 2016. Retrieved 15 December 2020.
  16. ^ Basu, A. J.; Sinha, U. N.; Narasimha, R. (1 June 1992). "Direct Numerical Simulation of Turbulence on the Flosolver MK3 Parallel Computer". nal-ir.nal.res.in. Archived from the original on 28 November 2020. Retrieved 16 December 2020.
  17. ^ a b c Staff Writer (15 December 2020). "'Pained by his demise': PM Modi condoles death of Professor Roddam Narasimha". mint. Archived from the original on 15 December 2020. Retrieved 16 December 2020.
  18. ^ Rao, K. Narahari; Narasimha, R.; Narayanan, M. A. Badri (28 July 1971). "The 'bursting' phenomenon in a turbulent boundary layer". Journal of Fluid Mechanics. 48 (2): 339–352. Bibcode:1971JFM....48..339R. doi:10.1017/s0022112071001605. ISSN 0022-1120. S2CID 55167124.
  19. ^ Narasimha, R. (July 1968). "Non-Linear vibration of an elastic string". Journal of Sound and Vibration. 8 (1): 134–146. Bibcode:1968JSV.....8..134N. doi:10.1016/0022-460x(68)90200-9. ISSN 0022-460X.
  20. ^ Narasimha, R.; Prabhu, A. (11 July 1972). "Equilibrium and relaxation in turbulent wakes". Journal of Fluid Mechanics. 54 (1): 1–17. Bibcode:1972JFM....54....1N. doi:10.1017/s0022112072000497. ISSN 0022-1120. S2CID 120606921. Archived from the original on 7 December 2021. Retrieved 5 January 2021.
  21. ^ Narasimha, R.; Sreenivasan, K.R. (1979), "Relaminarization of Fluid Flows", Advances in Applied Mechanics, vol. 19, Elsevier, pp. 221–309, Bibcode:1979aam....19..221N, doi:10.1016/s0065-2156(08)70311-9, ISBN 978-0-12-002019-5, retrieved 5 January 2021
  22. ^ Govindarajan, Rama; Narasimha, R. (8 December 1997). "A low-order theory for stability of non-parallel boundary layer flows". Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences. 453 (1967): 2537–2549. Bibcode:1997RSPSA.453.2537G. doi:10.1098/rspa.1997.0135. S2CID 123579986.
  23. ^ Narayan, K Yegna; Narasimha, R (August 1973). "Parametric Analysis of Turbulent Wall Jets". Aeronautical Quarterly. 24 (3): 207–218. doi:10.1017/s0001925900006600. ISSN 0001-9259.
  24. ^ Bhat, G. S.; Narasimha, R. (25 October 1996). "A volumetrically heated jet: large-eddy structure and entrainment characteristics". Journal of Fluid Mechanics. 325: 303–330. Bibcode:1996JFM...325..303B. doi:10.1017/s0022112096008130. ISSN 0022-1120. S2CID 121860624.
  25. ^ BASU, A. J.; NARASIMHA, R. (25 April 1999). "Direct numerical simulation of turbulent flows with cloud-like off-source heating". Journal of Fluid Mechanics. 385 (1): 199–228. Bibcode:1999JFM...385..199B. doi:10.1017/s0022112099004280. ISSN 0022-1120. S2CID 122879395.
  26. ^ Narasimha, R.; Diwan, S. S.; Duvvuri, S.; Sreenivas, K. R.; Bhat, G. S. (14 September 2011). "Laboratory simulations show diabatic heating drives cumulus-cloud evolution and entrainment". Proceedings of the National Academy of Sciences. 108 (39): 16164–16169. doi:10.1073/pnas.1112281108. ISSN 0027-8424. PMC 3182732. PMID 21918112.
  27. ^ Rao, Samrat; Vybhav, G. R.; Prasanth, P.; Deshpande, S. M.; Narasimha, R. (2020), "A DNS Study of Bulk Flow Characteristics of a Transient Diabatic Plume that Simulates Cloud Flow", Recent Advances in Theoretical, Applied, Computational and Experimental Mechanics, Lecture Notes in Mechanical Engineering, Singapore: Springer Singapore, pp. 387–396, doi:10.1007/978-981-15-1189-9_31, ISBN 978-981-15-1188-2, S2CID 216430546, retrieved 5 January 2021
  28. ^ Ranjan, Rajesh; Deshpande, S.M.; Narasimha, Roddam (August 2017). "New insights from high-resolution compressible DNS studies on an LPT blade boundary layer". Computers & Fluids. 153: 49–60. doi:10.1016/j.compfluid.2017.05.004. ISSN 0045-7930.
  29. ^ Suryanarayanan, Saikishan; Narasimha, Roddam; Dass, N. D. Hari (14 January 2014). "Free turbulent shear layer in a point vortex gas as a problem in nonequilibrium statistical mechanics". Physical Review E. 89 (1): 013009. Bibcode:2014PhRvE..89a3009S. doi:10.1103/physreve.89.013009. ISSN 1539-3755. PMID 24580322.
  30. ^ [1], "Optimal wing planforms for reducing the induced or total drag of the wing of an aircraft driven by wing-mounted tractor propellers/rotors", issued 2010-07-05 
  31. ^ "Roddam Narasimha quits Space Commission". TheHindu.com. Associated Press. 24 February 2012. Archived from the original on 29 April 2012. Retrieved 30 May 2012.
  32. ^ "Eminent Indian space scientist quits in protest". TDNPost.com. 24 February 2012. Archived from the original on 29 February 2012. Retrieved 30 May 2012.
  33. ^ "Caltech Aerospace (GALCIT) | Distinguished Alumni". Galcit.caltech.edu. 31 October 2009. Archived from the original on 10 April 2018. Retrieved 14 April 2018.
  34. ^ "Distinguished Alumni List". Indian Institute of Science. Archived from the original on 15 March 2013. Retrieved 11 July 2012.
  35. ^ "2000 NAS New Member Elections". .nationalacademies.org. 2 May 2000. Archived from the original on 13 October 2017. Retrieved 14 April 2018.
  36. ^ a b c d e "INSA :: Indian Fellow Detail". www.insaindia.res.in. Archived from the original on 27 February 2020. Retrieved 16 December 2020.
  37. ^ "Nature - Prize Winners of the Year (2008)" (PDF). Nature. Archived (PDF) from the original on 5 March 2016. Retrieved 15 December 2020.
  38. ^ "Honour for scientist Roddam Narasimha". The Hindu.com. Associated Press. 22 September 2009. Archived from the original on 5 May 2012. Retrieved 30 May 2012.
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