Тепловое проектирование обшивки крыла многоразового космического аппарата туристического класса

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Thermal design of the wing skin of a tourist class reusable spacecraft
12 Engineering Journal: Science and Innovation # 12·2017
Thermal design of the wing skin
of a tourist class reusable spacecraft
© E.R. Ashikhmina, T.G. Ageeva, P.V. Prosuntsov
Bauman Moscow State Technical University, Moscow, 105005, Russia
The design of the wing of a tourist class suborbital reusable spacecraft is a challenging
scientific and technical problem that requires, among other things, solving the thermal
design problem. For this purpose, it is necessary to have information about the thermal
loads acting on the vehicle during the flight, and data on the thermophysical characteris-
tics of the materials of the wing. The external thermal loads acting on the wing and the
body of the spacecraft during its reentry are determined by mathematical simulation of
the aerodynamic flow using the ANSYS CFX software package. The thermophysical
characteristics of materials are obtained by simulation of the heat transfer in a repre-
sentative element of the material volume using the software products Digimat and ANSYS
Workbench. Moreover, the problem of warming up the wing structure is solved and the
most heat-loaded sections of the wing are identified. The analysis of the temperature
fields revealed the need for a special layer of thermal protection. As a heat-protective
coating, plastomagnet was chosen. As a result of solving the thermal design problem, we
determined optimal from the point of view of weigh thicknesses distribution of the plas-
tomagnet coating on the wing surface.
Keywords: thermal design, aerodynamic flow modeling, thermal protection, reusable
spacecraft, space tourism
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