METHOD FOR DETERMINATION OF CONVECTIVE HEAT EXCHANGE IN NON-STATIONARY FLOWS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 for heat physical measurements and to improve the accuracy of the heat transfer coefficient u043fu043eu0437u0432u043eu043bu00a0u0435u0442 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 in volatile flows.method includes measuring temperature of gas flow, heat flow from the flakes u0440u0435u0437u0438u0441u0442u0438u0432u043du043eu0433u043e sensor installed flush with the surface of the heated, large waterside wall and connected to the u0442u0435u0440u043cu043eu0430u043du0435u043cu043eu043cu0435u0442u0440u0443 u043fu043eu0441u0442u043eu00a0u043du043du043eu0439 temperature measurements using thermocouples u043au0432u0430u0437u0438u0441u0442u0430u0446u0438u043eu043du0430u0440u043du043eu0439 surface temperature wall section, to u043eu0442u043eu0440u043eu043c located sheeting sensorthe heating film u0440u0435u0437u0438u0441u0442u0438u0432u043du043eu0433u043e sensor to the temperature equal to the temperature of the surface of the wall, and the subsequent calculation of received data the instantaneous values of the coefficients of heat transfer from the wall to the gas. u0431u043bu0430u0433u043eu0434u0430u0440u00a0 slight (20, 50) u0440u0435u0437u0438u0441u0442u0438u0432u043du043eu0433u043e overheating sensor on the gas flow u0443u0441u0442u0440u0430u043du00a0u044eu0442u0441u00a0 heat u043fu00a0u0442u043du0430 go u0442u0435u043fu043bu043eu043eu0431u043cu0435u043du043du043eu0439 surface. 2). sl with