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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN En Línea: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v42.i1.50
pages 71-82

FACILITY FOR INVESTIGATIONS OF TOTAL HEMISPHERICAL EMISSIVITY OF HEAT PROTECTION MATERIALS AND THERMAL CONTROL COATINGS

Leonid Yakovlevich Paderin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky Str. 1, Zhukovsky, 140180, Russia
Boris Viktorovich Prusov
Central Aerohydrodynamic Institute (TsAGI), Russia
Oleg Dmitrievich Tokarev
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky Str. 1, Zhukovsky, 140180, Russia

SINOPSIS

This work is dedicated to an improvement of technique and modernization of experimental facility for the purpose of the maximum temperature level increase at investigations of total hemispherical emissivity of heat protection materials and thermal control coatings. Within the scope of the facility modernization a new heater based on modern high temperature materials and new measurement instruments for temperature and radiant heat flux measurements are developed. As a result of the conducted measures the maximum temperature level of samples under study is increased from 1500 up to 2000 K. A series of control tests are carried out. These tests verify the technique efficiency and operability of the modernized experimental facility in an extended temperature range.


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