Rajinder Kumar | |
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| Born | (1934-09-09)9 September 1934 (age 91) Punjab, India |
| Died | 7 February 2022 Bengaluru |
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| Known for | Modelling of multiphase phenomena |
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Rajinder Kumar (born 1934) is an Indian chemical engineer and a former professor at theIndian Institute of Science.[1] He is known for his studies on multiphase phenomena[2] and is an elected fellow of theIndian National Science Academy,[3]Indian Academy of Sciences,[4] and theIndian National Academy of Engineering.[5] TheCouncil of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him theShanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards for his contributions to Engineering Sciences in 1976.[6][note 1] He received the third highest Indian civilian award of thePadma Bhushan in 2003.[7] He is also a recipient ofOm Prakash Bhasin Award[8] and theVASVIK Industrial Research Award.[9]

Rajinder Kumar, born on 9 September 1934 in the Indian state ofPunjab, graduated in science (BSc hons) fromPunjab University, Chandigarh in 1954 and did his master's degree atDelhi Technological University (then known as Delhi Polytechnic) to receive his degree of MSc Tech from Punjab University in 1955.[10] He joined theIndian Institute of Science in 1958 as a junior research assistant and simultaneously did his doctoral studies under the guidance of E. Weingaertner and R. L. Datta but submitted his thesis at Punjab University to secure a PhD in 1965.[3] He served IISc in various capacities,[11] as a lecturer (1963–67), assistant professor (1967–70), professor (from 1970) and at the time of his superannuation in 1995, he was holding the position of Divisional Chairman and Dean. He was also a member of the Internal Review Committee of the IISc in 2014.[12] Post-retirement, he serves as an honorary professor atJawaharlal Nehru Centre for Advanced Scientific Research.[3]
Focusing his studies mainly on multiphase phenomena, Kumar is known to have done extensive researches onhydrodynamics and mass transfer in multiphase systems.[13] He developed a two-stage model of bubble formation from single submerged nozzles which clarified the discrepancies in experimental data and is in use with industrially–relevant distributors.[3] He developed a set of performance prediction protocols to be employed in foam bed contactors and batch sonochemical reactors. He also contributed to the development of a large scalefluidized bed reactor by whichcopper sulphate is manufactured directly fromchalcopyrites.[13] His researches have been documented in several peer-reviewed articles;[note 2] the online article repository of Indian Academy of Sciences has listed 63 of them.[14] He sat in the Society and the Governing Body of theCouncil of Scientific and Industrial Research and has been associated with government departments and agencies such as theDepartment of Science and Technology,Indian Council of Medical Research,National Digital Research Centre and National Innovation Foundation as a member of their various committees.[3] He was a member of the Indian National Science Academy Council in 1990 and held the vice-president's chair during 1991–92.[3]
TheCouncil of Scientific and Industrial Research awarded Kumar theShanti Swarup Bhatnagar Prize, one of the highest Indian science awards in 1976[15] and theIndian Institute of Chemical Engineers awarded him the Herdilia Award in 1985.[16] A year later, he received theVASVIK Industrial Research Award[9] followed by the K. G. Naik Gold Medal of theMaharaja Sayajirao University of Baroda in 1988.[10] The Indian National Science Academy selected him for the Syed Hussain Zaheer Medal in 1989;[17] INSA would honor him again in 1997 with Shanti Swarup Bhatnagar Medal[18] The year 1991 brought him three awards,Om Prakash Bhasin Award,[8] FICCI Award[16] and Alumnus Award for excellence in research of theIndian Institute of Science.[19][note 3] The Government of India included him in the 2003Republic Day honors list for the third highest civilian award of thePadma Bhushan.[7] In 2008, the Indian Institute of Chemical Engineers awarded him the Lifetime Achievement Award.[20]
Kumar held the Jawaharlal Nehru Birth Centenary Visiting Fellowship of INSA in 1995.[21] The Indian Academy of Sciences elected him as a fellow in 1979[4] and he became an elected fellow of the Indian National Science Academy in 1985.[1] He is also an elected fellow of the Indian National Academy of Engineering.[5] The list of award orations delivered by him include Professor N.R. Dhar Memorial Lecture of the National Academy of Sciences, India.[22]