Mathematics
Scientific paper
May 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983kosis..21..386v&link_type=abstract
Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 21, May-June 1983, p. 386-391. In Russian.
Mathematics
1
Aerodynamic Characteristics, Parachute Descent, Spacecraft Modules, Venera Satellites, Atmospheric Turbulence, Coordinates, Elastic Damping, Oscillations, Venus Clouds
Scientific paper
The parachute system for the Venera 13 and 14 descent modules was designed to assure the prescribed duration of descent in the Venus cloud layer as well as the separation of heat-shield elements from the module. A mathematical model is developed which makes possible a numerical analysis of the dynamics of the module-parachute system with allowance for parachute inertia, atmospheric turbulence, the means by which the parachute is attachead to the module, and the elasticity and damping of the suspended system. A formula is derived for determining the period of oscillations of the module in the parachute segment of descent. A comparison of theoretical and experimental results shows that this formula can be used in the design calculations, especially at the early stage of module development.
Kariagin V. P.
Kotov B. B.
Kovtunenko V. M.
Kuznetsov Vitaly
Lopatkin A. I.
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