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{{short description|Indian mechanical engineer (1934–2018)}}
{{Use Indian English|date=August 2017}}
{{Use dmy dates|date=July 2017}}
{{Infobox scientist
| name = Digvijai Singh
| image =
| alt =
| caption =
| birth_date = {{Birth date|df=yes|1934|12|11}}
| birth_place = [[Uttar Pradesh]], India
| death_date = {{Death date and age|df=yes|2018|07|20|1934|12|11}}
| death_place = [[New Delhi]], India
| residence =
| fields = {{ublist | [[Fluid film lubrication]] | [[Tribology]] }}
| workplaces = {{ublist | [[IIT Roorkee]] | [[Central Road Research Institute]] | [[All India Council for Technical Education]] }}
| alma_mater = {{ublist | [[Allahabad University]] | [[IIT Roorkee]] | [[University of Wisconsin]] }}
| doctoral_advisor =
| doctoral_students =
| known_for = Studies on dynamics of single track vehicles and tribology
| awards = {{ublist|1978 [[Shanti Swarup Bhatnagar Prize]] | IMDA Silver Jubilee Award | 1997 [[Institution of Engineers (India)|IE]] Mechanical Engineering Design Award | 2003 [[Institution of Engineers (India)|IE]] Eminent Engineering Personality | 2007 [[Indian National Academy of Engineering|INAE]] Jaikrishna Memorial Award | 2007 [[IIT Roorkee]] Distinguished Alumnus Award | 2011 TSI Lifetime Achievement Award | 2015 [[Indian National Academy of Engineering|INAE]] Lifetime Contribution Award }}
}}
'''Digvijai Singh''' (11 December 1934 – 20 July 2018) was an Indian mechanical engineer and a former vice chancellor of the [[University of Roorkee]] before its reconstitution as the [[Indian Institute of Technology, Roorkee]].<ref name="The Year Book 2016">{{Cite web |url=http://www.insaindia.res.in/pdf/YearBook_2016.pdf |title=The Year Book 2016 |date=2016 |publisher=Indian National Science Academy |access-date=14 January 2017 |archive-url=https://web.archive.org/web/20161104001952/http://www.insaindia.res.in/pdf/YearBook_2016.pdf |archive-date=4 November 2016 |url-status=dead }}</ref> He was also a former vice chairman of the [[All India Council for Technical Education]] (AICTE) and a former director of [[Central Road Research Institute]].<ref name="Diamond Jubilee Celebration">{{Cite web |url=http://crridom.gov.in/sites/default/files/annual-report/Appendix-2011-12.pdf |title=Diamond Jubilee Celebration |date=2016 |publisher=Council of Scientific and Industrial Research}}</ref> He is known for his studies on dynamics of single track vehicles and [[Fluid film lubrication]]<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=12 November 2016}}</ref> and was an elected fellow of all the three major Indian science academies viz. [[Indian National Science Academy]],<ref name="Indian fellow">{{Cite web |url=http://insaindia.res.in/detail.php?id=N83-0768 |title=Indian fellow |date=2016 |publisher=Indian National Science Academy}}</ref> [[Indian Academy of Sciences]],<ref name="Fellow profile">{{Cite web |url=http://www.ias.ac.in/describe/fellow/Singh,_Prof._Digvijai |title=Fellow profile |date=2016 |publisher=Indian Academy of Sciences}}</ref> and the [[National Academy of Sciences, India]]<ref name="NASI fellows">{{Cite web |url=http://www.nasi.org.in/fellows.asp?RsFilter=S |title=NASI fellows |date=2016 |publisher=National Academy of Sciences, India |url-status=dead |archive-url=https://web.archive.org/web/20160316043224/http://nasi.org.in/fellows.asp?RsFilter=S |archive-date=16 March 2016 |df=dmy-all }}</ref> as well as the [[Indian National Academy of Engineering]].<ref name="INAE fellows">{{Cite web |url=https://inae.in/search-of-fellows/ |title=INAE fellows |date=2016 |publisher=Indian National Academy of Engineers |access-date=14 January 2017 |archive-url=https://web.archive.org/web/20150403030936/http://inae.in/search-of-fellows/ |archive-date=3 April 2015 |url-status=dead }}</ref> 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 | access-date=12 November 2016}}</ref>{{Refn|group=note|Long link - please select award year to see details}}

== Biography ==
[[File:ThomasonCollegeOfEngineeringRoorkeeEst1847.jpg|thumb|left|235px|Indian Institute of Technology, Roorkee]]
Born on 11 December 1934 in the Indian state of [[Uttar Pradesh]], Digvijai Singh graduated in science from [[Allahabad University]] in 1953<ref name="D. V. Singh on INAE">{{Cite web |url=http://inae.in/expert-search/index.php/d-v-singh |title=D. V. Singh on INAE |date=2016 |publisher=Indian National Academy of Engineering}}</ref> before graduating in mechanical engineering from University of Roorkee (present-day [[Indian Institute of Technology, Roorkee]]) in 1956 and did another bachelor's degree in civil engineering in 1957 at the same institution before joining the university as a lecturer in 1958.<ref name="Indian fellow" /> Subsequently, he took a sabbatical to move to the US where he completed his master's degree (MS) in 1962 as well as a doctoral degree (PhD) in 1964 at the [[University of Wisconsin]]. On his return to India, he resumed his service at University of Roorkee and served as a professor, head of the department of mechanical and industrial engineering, dean of academics and dean of research and industrial liaison till 1990 when he was appointed as the director of the [[Central Road Research Institute]].<ref name="About IIT Roorkee">{{Cite web |url=http://i1.imagesbhaskar.com/web2images/education/iit_roor_13659.pdf |title=About IIT Roorkee |date=2016 |publisher=Dainik Bhaskar}}</ref> In 1996, he was made the vice chairman of the [[All India Council for Technical Education]] and after a service of 4 years, he became the vice chancellor of Roorkee University in 2000.<ref name=" Luminaries">{{Cite web |url=http://www.iitr.ac.in/institute/pages/Heritage+Luminaries.html |title= Luminaries |date=2016 |publisher=IIT Roorkee}}</ref> He oversaw the transition of the university to an Indian Institute of Technology in 2001 and became the director of the IIT. He superannuated from service after handing over the charge to Prem Vrat in December 2001.<ref name="History">{{Cite web |url=http://www.iitr.ac.in/institute/uploads/File/history10022009.pdf |title=History |date=2016 |publisher=IIT Roorkee}}</ref>

== Legacy ==
Singh's early researches during his doctoral studies were funded by [[Harley-Davidson]] and were focused on single-track vehicles.<ref name="Indian fellow" /> Later, on [[Volkswagen]] and [[University of Stuttgart]] sponsorship, he worked on vehicle dynamics and tyre-pavement interaction and these studies assisted in improving the design of scooters as well as in the [[indigenization]] of their manufacturing.<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 | access-date=14 January 2017 | archive-url=https://web.archive.org/web/20160304043957/http://www.csirhrdg.res.in/ssb.pdf | archive-date=4 March 2016 | url-status=dead }}</ref> His work on welding technology covered ''weld pool solidification, effects of welding parameters on molten metal transfer, spatter, heat affected zones, changes in crystallographic structures, and solute redistribution'' and he proposed protocols for the ''analytical prediction and measurement of residual stresses in and around spot welds''. Later in his career, he shifted his focus to [[tribological]] studies and contributed to widening the understanding of [[fluid film lubrication]] as well as hydrostatic and hydrodynamic lubrication. He also headed a research group engaged in the studies of [[Pavement management]] systems.<ref name="Indian fellow" /> His researches have been documented in 160 peer-reviewed articles;{{Refn|group=note|Please see ''Selected bibliography'' section}} the online article repository of Indian Academy of Sciences has listed 49 of them.<ref name="Browse by Fellow">{{Cite web |url=http://repository.ias.ac.in/view/fellows/Singh=3ADigvijai=3A=3A.html |title=Browse by Fellow |date=2016 |publisher=Indian Academy of Sciences}}</ref> He has also mentored 19 doctoral and several master's scholars in their studies.<ref name="INAE Lifetime Achievement Award">{{Cite web |url=https://www.dropbox.com/s/oh0xz3a6r7cifo5/Receipients%20previus%20year.pdf?dl=0 |title=INAE Lifetime Achievement Award |date=2016 |publisher=Indian National Academy of Engineering}}</ref>

Singh sat in the board of directors of the International Road Federation from 1991 to 1994 and, as a founder member of the World Interchange Network, he served as a director of the organization from 1993 to 1996.<ref name="Indian fellow" /> He was the secretary of the Association of Academies and Societies of Sciences in Asia (AASSA) during 1993–94 and was a member of the Science and Engineering Council of the [[Department of Science and Technology (India)|Department of Science and Technology]] during 1983–88 and 2000–03. He has been associated with several global and national bodies as a member; governing body of the Technology Information, Forecasting and Assessment Council (1997–99), committees of [[World Road Association]], Central Board of Railway Research (1986–89, 1998-2000), National Accreditation Board for Testing and Calibration laboratories (1998-2000), Committee on Auto-Fuel Policy (2001–02) and Apex Committee on Road Construction and Transportation Equipment (2001–04) are some of them. He was a member of the board of governors of the [[Engineering Council of India]] (2002–07) and presided the Tribology Society of India from 1998 to 2000. He was the Lead Person of the ''Fly Ash Mission'' (FAM) of the Department of Science and Technology and chaired its Technology Advisory Group during 1993–99.<ref name="D. V. Singh on INAE" /> He was also the chairman of programme advisory committee on the National Science and Technology Management System (1997–2003) and served as the national coordinator of the engineering sciences section of the Indo-Russian Integrated long term programme of cooperation in Science and Technology. He was closely associated with the Indian National Academy of Engineering; he has chaired the Engineering Education Forum of the academy<ref name="Natarajan2009">{{cite book|author=R. Natarajan|title=International Engineering Education - Proceedings of the Inae Conference|url=https://books.google.com/books?id=rmlkDQAAQBAJ&pg=PR8|year=2009|publisher=World Scientific|isbn=978-981-4261-78-4|pages=8–}}</ref> and is a member of its Forum on Engineering Interventions for Disaster Mitigation.<ref name="Forum on Engineering Interventions for Disaster Mitigation">{{Cite web |url=http://inae.in/inae-forums-2/ |title=Forum on Engineering Interventions for Disaster Mitigation |date=2016 |publisher=Indian National Academy of Engineering}}</ref>

== Death ==
Professor D. V. Singh died in New Delhi on 20 July 2018.{{citation needed|date=October 2019}}

== Awards and honors ==
The [[Council of Scientific and Industrial Research]] awarded Singh the [[Shanti Swarup Bhatnagar Prize]], one of the highest Indian science awards in 1978.<ref name="Engineering Sciences">{{Cite web |url=http://www.csir.res.in/external/heads/career/award/BPRIZE/Engineering_SCIENCES.htm |title=Engineering Sciences |date=2016 |publisher=Council of Scientific and Industrial Research |url-status=dead |archive-url=https://web.archive.org/web/20150923211647/http://www.csir.res.in/external/heads/career/award/BPRIZE/Engineering_SCIENCES.htm |archive-date=23 September 2015 |df=dmy-all }}</ref> He received two honors from the [[Institution of Engineers (India)]]; the Mechanical Engineering Design Award in 1997 and the Eminent Engineering Personality Award in 2003.<ref name="D. V. Singh on INAE" /> The Indian National Academy of Engineering awarded him the Jaikrishna Memorial Award in 2003;<ref name="Jaikrishna Memorial Award">{{Cite web |url=https://www.dropbox.com/s/c1nooq0zyx3c92l/Previous%20year%20Receipients.pdf?dl=0 |title=Jaikrishna Memorial Award |date=2016 |publisher=Indian National Academy of Engineering}}</ref> INAE would honor him again in 2015 with the Lifetime Achievement Award.<ref name="INAE Lifetime Achievement Award" /> In between, he received the Distinguished Alumnus Award of the Indian Institute of Technology, Roorkee in 2007<ref name="List of Distinguished Alumni Awardees">{{Cite web |url=http://daair.iitr.ac.in/index.php/dean-alumni-affairs/distinguished-alumni-award |title=List of Distinguished Alumni Awardees |date=2016 |publisher=IIT Roorkee |access-date=14 January 2017 |archive-url=https://web.archive.org/web/20170116170513/http://daair.iitr.ac.in/index.php/dean-alumni-affairs/distinguished-alumni-award |archive-date=16 January 2017 |url-status=dead }}</ref> and the Lifetime Achievement Award of Tribology Society of India in 2011.<ref name="TSI Lifetime Achievement Award">{{Cite web |url=http://www.tribologyindia.org/pdf/tsi-newsletter-june-2011.pdf |title=TSI Lifetime Achievement Award |date=2016 |publisher=Tribology Society of India}}</ref> He is also a recipient of the Silver Jubilee Award of IMDA.<ref name="D. V. Singh on INAE" />

The Indian Academy of Sciences elected him as a fellow in 1981<ref name="Fellow profile" /> and he became an elected fellow of the Indian National Science Academy in 1983<ref name="The Year Book 2016" /> and the National Academy of Sciences, India in 1990.<ref name="NASI Year Book 2015">{{Cite web |url=http://www.nasi.org.in/Year%20Book%202015.pdf |title=NASI Year Book 2015 |date=2016 |publisher=National Academy of Sciences, India |url-status=dead |archive-url=https://web.archive.org/web/20150806211716/http://www.nasi.org.in/Year%20Book%202015.pdf |archive-date=6 August 2015 |df=dmy-all }}</ref> He was also an elected fellow of the Indian National Academy of Engineering.<ref name="INAE fellows" /> He has held the National Professorship of the [[University Grants Commission of India]] and the award orations delivered by him include Dr. Guru Prasad Chatterjee Memorial Lecture of the Indian National Science Academy.<ref name="Dr. Guru Prasad Chatterjee Memorial Lecture">{{Cite web |url=http://insaindia.res.in/recipients.php#guru |title=Dr. Guru Prasad Chatterjee Memorial Lecture |date=2016 |publisher=Indian National Science Academy |access-date=14 January 2017 |archive-date=16 September 2016 |archive-url=https://web.archive.org/web/20160916233840/http://insaindia.res.in/recipients.php#guru |url-status=dead }}</ref>

== Selected bibliography ==
* {{Cite journal |author1=Tayal, S. P. |author2=Sinhasan, R. |author3=Singh, D. V. |title=Analysis of hydrodynamic journal bearings with non-Newtonian power law lubricants by the finite element method |journal=Wear |year=1981 |publication-date=1981 |volume=71 |issue=1 |pages=15–27 |doi=10.1016/0043-1648(81)90136-8}}
* {{Cite journal |author1=Jain, S. C. |author2=Sinhasan, R. |author3=Singh, D. V. |title=Consideration of viscosity variation in determining the performance characteristics of circular bearings in the laminar and turbulent regimes |journal=Wear |year=1983 |publication-date=1983 |volume=86 |issue=2 |pages=233–245 |doi=10.1016/0043-1648(83)90163-1}}
* {{Cite journal |author1=Soni, S. C. |author2=Sinhasan, R. |author3=Singh, D. V. |title=Non-linear analysis of two-lobe bearings in turbulent flow regimes |journal=Wear |year=1985 |publication-date=1985 |volume=103 |issue=1 |pages=11–27 |doi=10.1016/0043-1648(85)90119-X}}
* {{Cite journal |author1=Prabhakaran Nair, K. |author2=Sinhasan, R. |author3=Singh, D. V. |title=A study of elastohydrodynamic effects in a three-lobe journal bearing |journal=Tribology International |year=1987 |publication-date=1987 |volume=20 |issue=3 |pages=125–132 |doi=10.1016/0301-679X(87)90042-9}}
* {{Cite journal |author1=Singh, D. V. |author2=Sinhasan, R. |author3=Pal, Roshan |title=Performance characteristics of an ungrooved big-end bearing with misalignment |journal=Tribology Transactions |year=1989 |publication-date=1989 |volume=32 |issue=2 |pages=234–238 |doi=10.1080/10402008908981883}}

== See also ==
{{Div col}}
* [[Hydrostatics]]
* [[Fluid dynamics]]
{{div col end}}
{{Portal|India|Engineering}}

== Notes ==
{{Reflist|group=note}}

== References ==
{{Reflist|30em}}

{{SSBPST recipients in Engineering Science}}

{{Authority control}}

{{DEFAULTSORT:Singh, Digvijai}}
[[Category:1934 births]]
[[Category:2018 deaths]]
[[Category:Recipients of the Shanti Swarup Bhatnagar Award in Engineering Science]]
[[Category:Fellows of the Indian Academy of Sciences]]
[[Category:Fellows of the Indian National Science Academy]]
[[Category:Scientists from Uttar Pradesh]]
[[Category:Fellows of the National Academy of Sciences, India]]
[[Category:Indian mechanical engineers]]
[[Category:University of Allahabad alumni]]
[[Category:IIT Roorkee alumni]]
[[Category:University of Wisconsin–Madison alumni]]
[[Category:Heads of universities and colleges in India]]
[[Category:Tribologists]]
[[Category:Fellows of the Indian National Academy of Engineering]]

Digvijai Singh - Revision history

OrenCombs50836 at 18:46, 7 February 2026