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Mathematical modeling of a thermionic thermal protection system for high-enthalpy flow around a spherically blunted cone

Mathematical modeling of a thermionic thermal protection system for high-enthalpy flow around a... A mathematical model of the process of the unsteady conjugate heat transfer of a thermionic thermal protection system in a supersonic flow around a composite shell is formulated and investigated. Estimates of the effect of evaporation (emission) of electrons from the emitter surface on the reduction of temperature of the composite shell of the protection system were obtained. The effect of different angles of attack on the modes of heat transfer in a multielement thermionic thermal protection system was examined. Qualitative agreement of calculation results with known data is obtained. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Mathematical modeling of a thermionic thermal protection system for high-enthalpy flow around a spherically blunted cone

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Publisher
Springer Journals
Copyright
Copyright © K.N. Efimov, E.L. Loboda, V.A. Ovchinnikov, and A.S. Yakimov 2022
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/s0869864322010048
Publisher site
See Article on Publisher Site

Abstract

A mathematical model of the process of the unsteady conjugate heat transfer of a thermionic thermal protection system in a supersonic flow around a composite shell is formulated and investigated. Estimates of the effect of evaporation (emission) of electrons from the emitter surface on the reduction of temperature of the composite shell of the protection system were obtained. The effect of different angles of attack on the modes of heat transfer in a multielement thermionic thermal protection system was examined. Qualitative agreement of calculation results with known data is obtained.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Jan 1, 2022

Keywords: conjugate heat transfer; thermionic thermal protection system; emitter; collector; cooler

References