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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2024 Volume 50, Issue 23, Pages 37–41 (Mi pjtf6843)

International Conference Physics.SPb/2024

Method for calculating non-stationary heat flux from a sensor signal on heterogeneous metal structures

P. A. Popov

Ioffe Institute, St. Petersburg, Russia

Abstract: Numerical modeling of non-stationary thermal and thermoelectric processes in a sensor on a heterogeneous structure of a copper-nickel pair for heat exchange conditions behind a reflected shock wave and with external supersonic flow around the body is carried out. Good agreement between electrical signals, volt-watt coefficient obtained in calculation and experiment is obtained. The heat flow calculated using the proposed method is close to the theoretical value.

Keywords: sensor, shock tube, heat flux, measurement.

Received: 03.05.2024
Revised: 01.07.2024
Accepted: 30.10.2024

DOI: 10.61011/PJTF.2024.23.59397.6604k



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