S. N. Seshadri - Revision history

Mpsep15: Updated formatting and improved readability

2026-02-10T03:12:10Z

Updated formatting and improved readability

← Older revision		Revision as of 08:42, 10 February 2026
Line 1:		Line 1:
			{{Short description\|Indian control engineer (1937–1986)}}
	{{Use dmy dates\|date=July 2019}}		{{Use dmy dates\|date=July 2019}}
	{{Infobox scientist		{{Infobox scientist
Line 10:		Line 11:
	\| death_place =		\| death_place =
	\| residence =		\| residence =
	~~\| nationality = [[Indian nationality\|Indian]]~~
	\| fields = {{ublist \| [[Control Systems]] \| [[Power Electronics]] }}		\| fields = {{ublist \| [[Control Systems]] \| [[Power Electronics]] }}
	\| workplaces = {{ublist \| [[Bhabha Atomic Research Centre]] }}		\| workplaces = {{ublist \| [[Bhabha Atomic Research Centre]] }}
Line 19:		Line 19:
	\| awards = {{ublist\|1978 [[Shanti Swarup Bhatnagar Prize]] }}		\| awards = {{ublist\|1978 [[Shanti Swarup Bhatnagar Prize]] }}
	}}		}}
	'''Sekharipuram Narayaniyer Seshadri''' (1937–1986) was an Indian control engineer and the head of the Reactor Control Division of the [[Bhabha Atomic Research Centre]].<ref name="Venkataraman1994">{{cite book\|author=Ganesan Venkataraman\|title=Bhabha and His Magnificent Obsessions\|url=https://books.google.com/books?id=OxBBimcMVpgC&pg=PA159\|date=1 January 1994\|publisher=Universities Press\|isbn=978-81-7371-007-0\|pages=159–}}</ref> He established the control systems for the Satellite Receiving Station at Arvi, near [[Pune]] and the [[Ooty Radio Telescope]]. Subsequent to the bombing of [[Air India Flight 182]] in June 1985, he conducted the examination of the [[cockpit voice recorder]] and [[air traffic control]] tapes.~~<ref name="Fitzgerald2011">~~{{~~cite book\|author=Allistair Fitzgerald\|title=Air Crash Investigations: Mass Murder in the Sky, the Bombing of Air India Flight 182\|url=https://books.google.com/books?id=16ynAgAAQBAJ&pg=PA177~~\|date=~~January 2011\|publisher=Lulu.com\|isbn=978-0-557-98184-7\|pages=177–~~}}~~</ref>~~		'''Sekharipuram Narayaniyer Seshadri''' (1937–1986) was an Indian control engineer and the head of the Reactor Control Division of the [[Bhabha Atomic Research Centre]].<ref name="Venkataraman1994">{{cite book\|author=Ganesan Venkataraman\|title=Bhabha and His Magnificent Obsessions\|url=https://books.google.com/books?id=OxBBimcMVpgC&pg=PA159\|date=1 January 1994\|publisher=Universities Press\|isbn=978-81-7371-007-0\|pages=159–}}</ref> He established the control systems for the Satellite Receiving Station at Arvi, near [[Pune]] and the [[Ooty Radio Telescope]]. Subsequent to the bombing of [[Air India Flight 182]] in June 1985, he conducted the examination of the [[cockpit voice recorder]] and [[air traffic control]] tapes.{{Citation needed\|date=December 2025}}

	Seshadri was known for his work on the control systems for satellite communication, earth station antennas, tracking and telemetering of rockets, and traction motors for high power locomotives<ref name="Brief Profile of the Awardee">{{Cite web \|url=http://ssbprize.gov.in/Content/Detail.aspx?AID=57 \|title=Brief Profile of the Awardee \|date=2016 \|publisher=Shanti Swarup Bhatnagar Prize \|access-date=November 12, 2016}}</ref> and his researches have been documented in a number of articles.<ref name="Browse by Fellow">{{Cite web \|url=http://repository.ias.ac.in/view/fellows/Seshadri=3ASekharipuram_Narayana_Iyer=3A=3A.html \|title=Browse by Fellow \|date=2016 \|publisher=Indian Academy of Sciences}}</ref> He was an elected fellow of the [[Indian Academy of Sciences]]. The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded him the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards for his contributions to Engineering Sciences in 1978.<ref name="View Bhatnagar Awardees">{{cite web \| url=http://ssbprize.gov.in/Content/AwardeeList.aspx \| title=View Bhatnagar Awardees \| publisher=Shanti Swarup Bhatnagar Prize \| date=2016 \| accessdate=November 12, 2016}}</ref> He died on 2 February 1986, at the age of 48.<ref name="Handbook of Shanti Swarup Bhatnagar Prize Winners">{{cite web \| url=http://www.csirhrdg.res.in/ssb.pdf \| title=Handbook of Shanti Swarup Bhatnagar Prize Winners \| publisher=Council of Scientific and Industrial Research \| date=1999}}</ref> The Indian Physics Association has instituted an annual award, ''S. N. Seshadri Memorial Instrumentation Award'' to recognize excellence in indigenous instrumentation development in physical sciences.<ref name="S N Seshadri Memorial Instrumentation Award in Physical Sciences">{{Cite web \|title=S N Seshadri Memorial Instrumentation Award in Physical Sciences \|~~date~~=~~2016~~ \|publisher=Indian Physics Association}}</ref>		Seshadri was known for his work on the control systems for satellite communication, earth station antennas, tracking and telemetering of rockets, and traction motors for high power locomotives<ref name="Brief Profile of the Awardee">{{Cite web \|url=http://ssbprize.gov.in/Content/Detail.aspx?AID=57 \|title=Brief Profile of the Awardee \|date=2016 \|publisher=Shanti Swarup Bhatnagar Prize \|access-date=November 12, 2016}}</ref> and his researches have been documented in a number of articles.<ref name="Browse by Fellow">{{Cite web \|url=http://repository.ias.ac.in/view/fellows/Seshadri=3ASekharipuram_Narayana_Iyer=3A=3A.html \|title=Browse by Fellow \|date=2016 \|publisher=Indian Academy of Sciences}}</ref> He was an elected fellow of the [[Indian Academy of Sciences]]. The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded him the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards for his contributions to Engineering Sciences in 1978.<ref name="View Bhatnagar Awardees">{{cite web \| url=http://ssbprize.gov.in/Content/AwardeeList.aspx \| title=View Bhatnagar Awardees \| publisher=Shanti Swarup Bhatnagar Prize \| date=2016 \| accessdate=November 12, 2016}}</ref> He died on 2 February 1986, at the age of 48.<ref name="Handbook of Shanti Swarup Bhatnagar Prize Winners">{{cite web \| url=http://www.csirhrdg.res.in/ssb.pdf \| title=Handbook of Shanti Swarup Bhatnagar Prize Winners \| publisher=Council of Scientific and Industrial Research \| date=1999}}</ref> The Indian Physics Association has instituted an annual award, ''S. N. Seshadri Memorial Instrumentation Award'' to recognize excellence in indigenous instrumentation development in physical sciences.<ref name="S N Seshadri Memorial Instrumentation Award in Physical Sciences">{{Cite web \|date=2016 \|title=S N Seshadri Memorial Instrumentation Award in Physical Sciences \|url=https://www.indiascienceandtechnology.gov.in/nurturing-minds/s-and-t-awards/national/sn-seshadri-instrumentation-award \|publisher=Indian Physics Association}}</ref>

	== Selected bibliography ==		== Selected bibliography ==
Line 27:		Line 27:
	* {{Cite journal \|author1=Rao, Dhanvada M. \|author2=Seshadri, S. N. \|title=Application of radial-splitters for improved wide-angle diffuser performance in blowdown tunnel \|journal= Journal of Aircraft \|date=1976 \|volume=13 \|issue=7 \|pages=538–540\|doi=10.2514/3.44542 }}		* {{Cite journal \|author1=Rao, Dhanvada M. \|author2=Seshadri, S. N. \|title=Application of radial-splitters for improved wide-angle diffuser performance in blowdown tunnel \|journal= Journal of Aircraft \|date=1976 \|volume=13 \|issue=7 \|pages=538–540\|doi=10.2514/3.44542 }}
	* {{Cite journal \|last=D. M. Rao, S. N. Seshadri \|title=Application of radial-splitters for improved wide-angle diffuser performance in a blowdown tunnel \|journal=Journal of Aircraft \|date=1976 \|volume=13 \|issue=7 \|pages=538–540 \|doi=10.2514/3.44542}}		* {{Cite journal \|last=D. M. Rao, S. N. Seshadri \|title=Application of radial-splitters for improved wide-angle diffuser performance in a blowdown tunnel \|journal=Journal of Aircraft \|date=1976 \|volume=13 \|issue=7 \|pages=538–540 \|doi=10.2514/3.44542}}
	* {{Cite journal \|author1=Ray, A. K. \|author2=Seshadri, S. N. \|title=Special features of the safety and control systems of the Dhruva reactor \|journal=Pramana - Journal of Physics \|date=1985 \|volume=24 \|issue=1–2 \|pages=179–192 \|doi=10.1007/BF02894828}}		* {{Cite journal \|author1=Ray, A. K. \|author2=Seshadri, S. N. \|title=Special features of the safety and control systems of the Dhruva reactor \|journal=Pramana - Journal of Physics \|date=1985 \|volume=24 \|issue=1–2 \|pages=179–192 \|doi=10.1007/BF02894828\|bibcode=1985Prama..24..179R \|s2cid=121230852 }}
	* {{Cite journal \|last=S. N. Seshadri, K. Y. Narayan \|title=Shock-induced separated flows on the lee surface of delta wings \|journal=The Aeronautical Journal \|date=1987 \|volume=91 \|issue=903 \|pages=128–141 \|doi=10.1017/S0001924000091387\|url=http://nal-ir.nal.res.in/3057/1/shock-induced_seperated...pdf }}		* {{Cite journal \|last=S. N. Seshadri, K. Y. Narayan \|title=Shock-induced separated flows on the lee surface of delta wings \|journal=The Aeronautical Journal \|date=1987 \|volume=91 \|issue=903 \|pages=128–141 \|doi=10.1017/S0001924000091387\|s2cid=55119972 \|url=http://nal-ir.nal.res.in/3057/1/shock-induced_seperated...pdf }}

	{{portal\|India\|Engineering}}		{{portal\|India\|Engineering}}
Line 43:		Line 43:
	[[Category:Recipients of the Shanti Swarup Bhatnagar Award in Engineering Science]]		[[Category:Recipients of the Shanti Swarup Bhatnagar Award in Engineering Science]]
	[[Category:1937 births]]		[[Category:1937 births]]
	~~[[Category:Indian scientific authors]]~~
	[[Category:Fellows of the Indian Academy of Sciences]]		[[Category:Fellows of the Indian Academy of Sciences]]
	[[Category:1986 deaths]]		[[Category:1986 deaths]]
	[[Category:20th-century Indian engineers]]		[[Category:20th-century Indian engineers]]
	[[Category:Engineers from Kerala]]		[[Category:Engineers from Kerala]]


	{{India-engineer-stub}}		{{India-engineer-stub}}

>Hammelsmith: aeronautical journal source

2020-01-10T21:35:07Z

aeronautical journal source

New page

{{Use dmy dates|date=July 2019}}
{{Infobox scientist
| name = S. N. Seshadri
| image =
| alt =
| caption =
| birth_date = {{Birth date|1937|3|15}}
| birth_place = [[Kerala]], India
| death_date = {{Death date and age|1986|2|2|1937|3|15}}
| death_place =
| residence =
| nationality = [[Indian nationality|Indian]]
| fields = {{ublist | [[Control Systems]] | [[Power Electronics]] }}
| workplaces = {{ublist | [[Bhabha Atomic Research Centre]] }}
| alma_mater =
| doctoral_advisor = {{ublist| }}
| doctoral_students =
| known_for = Control systems for satellite communication
| awards = {{ublist|1978 [[Shanti Swarup Bhatnagar Prize]] }}
}}
'''Sekharipuram Narayaniyer Seshadri''' (1937–1986) was an Indian control engineer and the head of the Reactor Control Division of the [[Bhabha Atomic Research Centre]].<ref name="Venkataraman1994">{{cite book|author=Ganesan Venkataraman|title=Bhabha and His Magnificent Obsessions|url=https://books.google.com/books?id=OxBBimcMVpgC&pg=PA159|date=1 January 1994|publisher=Universities Press|isbn=978-81-7371-007-0|pages=159–}}</ref> He established the control systems for the Satellite Receiving Station at Arvi, near [[Pune]] and the [[Ooty Radio Telescope]]. Subsequent to the bombing of [[Air India Flight 182]] in June 1985, he conducted the examination of the [[cockpit voice recorder]] and [[air traffic control]] tapes.<ref name="Fitzgerald2011">{{cite book|author=Allistair Fitzgerald|title=Air Crash Investigations: Mass Murder in the Sky, the Bombing of Air India Flight 182|url=https://books.google.com/books?id=16ynAgAAQBAJ&pg=PA177|date=January 2011|publisher=Lulu.com|isbn=978-0-557-98184-7|pages=177–}}</ref>

Seshadri was known for his work on the control systems for satellite communication, earth station antennas, tracking and telemetering of rockets, and traction motors for high power locomotives<ref name="Brief Profile of the Awardee">{{Cite web |url=http://ssbprize.gov.in/Content/Detail.aspx?AID=57 |title=Brief Profile of the Awardee |date=2016 |publisher=Shanti Swarup Bhatnagar Prize |access-date=November 12, 2016}}</ref> and his researches have been documented in a number of articles.<ref name="Browse by Fellow">{{Cite web |url=http://repository.ias.ac.in/view/fellows/Seshadri=3ASekharipuram_Narayana_Iyer=3A=3A.html |title=Browse by Fellow |date=2016 |publisher=Indian Academy of Sciences}}</ref> He was an elected fellow of the [[Indian Academy of Sciences]]. The [[Council of Scientific and Industrial Research]], the apex agency of the Government of India for scientific research, awarded him the [[Shanti Swarup Bhatnagar Prize for Science and Technology]], one of the highest Indian science awards for his contributions to Engineering Sciences in 1978.<ref name="View Bhatnagar Awardees">{{cite web | url=http://ssbprize.gov.in/Content/AwardeeList.aspx | title=View Bhatnagar Awardees | publisher=Shanti Swarup Bhatnagar Prize | date=2016 | accessdate=November 12, 2016}}</ref> He died on 2 February 1986, at the age of 48.<ref name="Handbook of Shanti Swarup Bhatnagar Prize Winners">{{cite web | url=http://www.csirhrdg.res.in/ssb.pdf | title=Handbook of Shanti Swarup Bhatnagar Prize Winners | publisher=Council of Scientific and Industrial Research | date=1999}}</ref> The Indian Physics Association has instituted an annual award, ''S. N. Seshadri Memorial Instrumentation Award'' to recognize excellence in indigenous instrumentation development in physical sciences.<ref name="S N Seshadri Memorial Instrumentation Award in Physical Sciences">{{Cite web |title=S N Seshadri Memorial Instrumentation Award in Physical Sciences |date=2016 |publisher=Indian Physics Association}}</ref>

== Selected bibliography ==
* {{Cite journal |author1=Srinivasan, M. |author2=Dharmadhikari, M. |author3=Karkera, B. N. |author4=Mahindroo, P. N. |author5=Ray, A. K. |author6=Seshadri, S. N. |title=Safety and control systems of the Purnima reactor |journal=Symposium on Nuclear Science and Engineering |date=1973 |pages=1–10}}
* {{Cite journal |author1=Rao, Dhanvada M. |author2=Seshadri, S. N. |title=Application of radial-splitters for improved wide-angle diffuser performance in blowdown tunnel |journal= Journal of Aircraft |date=1976 |volume=13 |issue=7 |pages=538–540|doi=10.2514/3.44542 }}
* {{Cite journal |last=D. M. Rao, S. N. Seshadri |title=Application of radial-splitters for improved wide-angle diffuser performance in a blowdown tunnel |journal=Journal of Aircraft |date=1976 |volume=13 |issue=7 |pages=538–540 |doi=10.2514/3.44542}}
* {{Cite journal |author1=Ray, A. K. |author2=Seshadri, S. N. |title=Special features of the safety and control systems of the Dhruva reactor |journal=Pramana - Journal of Physics |date=1985 |volume=24 |issue=1–2 |pages=179–192 |doi=10.1007/BF02894828}}
* {{Cite journal |last=S. N. Seshadri, K. Y. Narayan |title=Shock-induced separated flows on the lee surface of delta wings |journal=The Aeronautical Journal |date=1987 |volume=91 |issue=903 |pages=128–141 |doi=10.1017/S0001924000091387|url=http://nal-ir.nal.res.in/3057/1/shock-induced_seperated...pdf }}

{{portal|India|Engineering}}

== References ==
{{reflist|30em}}

{{SSBPST recipients in Engineering Science}}
{{Shanti Swarup Bhatnagar Laureates of Kerala}}

{{authority control}}

{{DEFAULTSORT:Seshadri, S. N.}}
[[Category:Recipients of the Shanti Swarup Bhatnagar Award in Engineering Science]]
[[Category:1937 births]]
[[Category:Indian scientific authors]]
[[Category:Fellows of the Indian Academy of Sciences]]
[[Category:1986 deaths]]
[[Category:20th-century Indian engineers]]
[[Category:Engineers from Kerala]]

{{India-engineer-stub}}