Optimal way for choosing parameters of spacecraft’s screen-vacuum heat insulation


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Abstract

The heat transfer in multiple plate sandwiches of spacecraft’s screen-vacuum heat insulation is simulated for determining the characteristics of heat shielding against long-term solar heat flux. To choose optimal characteristics of heat shielding, it is necessary to determine precisely the number of plates and their peculiarities. The new, absolutely stable method for solving numerically heat transfer problems is presented. We obtain results showing that the screen-vacuum insulation is characterized by low heating-up inertance that is unacceptable. To remove this effect, the inertial heat shielding is used on the internal surface of the heat shielding and its state is examined.

About the authors

V. F. Formalev

Moscow Aviation Institute (National Research University)

Author for correspondence.
Email: formalev38@mail.ru
Russian Federation, Moscow

S. A. Kolesnik

Moscow Aviation Institute (National Research University)

Email: formalev38@mail.ru
Russian Federation, Moscow

I. A. Selin

Moscow Aviation Institute (National Research University)

Email: formalev38@mail.ru
Russian Federation, Moscow

E. L. Kuznetsova

Moscow Aviation Institute (National Research University)

Email: formalev38@mail.ru
Russian Federation, Moscow

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