Chaplygin

Sergi Alekseevich Chaplygin

Born: 5 April 1869 in Ranenburg (now Chaplygin), Russia
Died: 8 Oct 1942 in Moscow, USSR

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Chaplygin was educated at Moscow and was much influenced by Zhukovsky. He taught in Moscow from 1894 at the University and different colleges.

He wrote first on hydrodynamics, in particular on the mechanics of liquids and gases, studying jet stream flow in the 1890's. He published a famous paper in 1902 giving exact solutions to many cases of flow of a compressible gas.

Chaplygin also developed methods of approximation for solving differential equations. From 1910 he studied the theory of the aeroplane wing.

References:

  1. Dictionary of Scientific Biography
  2. V V Golubev, Sergi Alekseevich Chaplygin (1869-1942) (Moscow, 1951).
  3. S A Chaplygin, The selected works on wing theory of Sergei A. Chaplygin (San Francisco, 1956). 
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