Satish Dhawan’s death anniversary: ​​Who was Satish Dhawan, the father of experimental fluid dynamics research?

Who was Satish Dhawan?

Satish Satish Dhawan, the man who shaped India’s space program was born in Srinagar, Jammu & Kashmir. Dhawan, who oversaw the successful and homegrown development of the Indian space program, is one of the most renowned researchers in the field of turbulence and boundary layers, recognized as the “Father of “Father of Experimental Fluid Dynamics Research”. On this day commemorating his passing, let’s explore his life, inventions, contributions, etc.

Satish Dhawan’s date of birth is September 25, 1920. He holds a Bachelor of Science in physics and mathematics, Bachelor of Science in mechanical engineering and Master of Arts in English literature from Punjab University in Lahore, British India (now in Pakistan). He earned a Master of Science degree in aerospace engineering from the University of Minnesota, Minneapolis in 1947. He then went on to earn a degree in aerospace engineering from the California Institute of Technology and in 1951, under of advisor Hans W. Liepmann, he earned a double Ph.D. in mathematics and aerospace engineering.

He is married to cytogeneticist Nalini Dhawan. His daughter, Jyotsna Dhawan, is a Senior Principal Scientist at the Center for Cellular and Molecular Biology.

Also read Savitri Bai Phule’s Biography.

What is Satish Dhawan’s role in ISRO?

Dhawan started working at the Indian Institute of Science (IISc), Bangalore, in 1951 as a lecturer and rose to the position of director in 1962. Although in charge of India’s space program, he has made significant contributions to the boundary layer. study. Hermann Schlichting’s groundbreaking book Boundary Layer Theory contains a summary of his most important contributions. At IISc, he built the country’s first hypersonic wind tunnel. In addition, he was a pioneer in the study of three-dimensional flow, three-dimensional boundary layers, and separated boundary layer flows.

Later in 1972, Dr. Dhawan was appointed secretary to the Department of Space of the Government of India and chairman of the Indian Space Research Organization (ISRO). Previously, it was believed that he was the one who took full responsibility for the failure of the Satellite Launch Vehicle mission in 1979. But when the team succeeded, he gave credit to his team and showed himself as the leader. perfect group.

Dhawan has done groundbreaking research in satellite communications, remote sensing and rural education. His work created operational systems such as the Indian Remote Sensing Satellite (IRS), the INSAT communications satellite and the Polar Satellite Launch Vehicle (PSLV), which helped elevate India to the ranks of nations. Astronaut.

List of ISRO Presidents (1963-2022)

What did Satish Dhawan invent or contribute?

Satish Dhawan’s most important contributions are summarized in Hermann Schlichting’s seminal work, Boundary Layer Theory. At IISc, he built the country’s first hypersonic wind tunnel. In addition, he was a pioneer in the study of three-dimensional flow, three-dimensional boundary layers, and separated boundary layer flows. His other notable achievements include:

  • 1953: “Direct Measurement of Skin Friction”, Technical Report 1121, National Advisory Committee for Aeronautics, Washington DC.
  • 1958; “Some properties of boundary layer flow during the transition from laminar to turbulent motion”, Journal of Fluid Mechanics
  • 1967: “Aeronautical Research in India”, (22nd British Commonwealth Lecture), Journal of the Royal Aeronautical Society.
  • 1982: “A Glimpse of Fluid Mechanics Research in Bangalore 25 Years Ago”, in India: Surveys on Fluid Mechanics, Indian Academy of Sciences
  • 1988: Developments in Fluid Mechanics and Space Technology, Indian Academy of Sciences.
  • 1991: “The Flight of the Bird”, Sadhana Proceedings of Engineering Sciences, Indian Academy of Sciences.
  • 2000: Special section on instability, transition and chaos, Current Science

Awards & Recognition

  • Padma Vibhushan (India’s second highest civilian honor), 1981
  • Padma Bhushan (India’s third highest civilian honor), 1971
  • Indira Gandhi Award for National Integration, 1999
  • Distinguished Alumni Award, Indian Institute of Science
  • Distinguished Alumni Award, California Institute of Technology, 1969

Dhawan died on 3 January 2002 in Bangalore. The Satish Dhawan Space Center was renamed in his honor after his death, located in Sriharikota, Andhra Pradesh, about 100 km north of Chennai in South India. He has a college named after him in Ludhiana called Satish Chander Dhawan Government College for Boys. He was also honored with the Satish Dhawan Block, nicknamed IIT Ropar for the Department of Mechanical Construction at the institute. In 2019, the Uttar Pradesh Institute of Textile Technology in Kanpur was also named after him as SATISH Dhavan Computer Center Professor.

Indian Space Research Organisation’s launch fleet

Categories: Optical Illusion
Source: pagasa.edu.vn

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