Measurement of Essentially Nonstationary Heat Fluxes by a Bismuth-Based Gradient Sensor

Measurement of Essentially Nonstationary Heat Fluxes by a Bismuth-Based Gradient Sensor

The gradient heat flux sensor made of a bismuth single crystal is calibrated. The volt–watt sensitivity of the sensor is determined and the method of data processing based on the 1D heat conduction equation for a thin plate is proposed. This method is tested on experimental data obtained for the ini...

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Veröffentlicht in:Technical physics 2021-02, Vol.66 (2), p.229-234
Hauptverfasser: Dobrov, Yu. V., Lashkov, V. A., Mashek, I. Ch, Mityakov, A. V., Mityakov, V. Yu, Sapozhnikov, S. Z., Khoronzhuk, R. S.
Format: Artikel
Sprache:eng
Schlagworte:
Aerodynamics
Analysis
Bismuth
Classical and Continuum Physics
Conduction heating
Conductive heat transfer
Data processing
Flow control
Gas flow
Gases and Liquids
Heat flux
Measurement
Physics
Physics and Astronomy
Sensors
Single crystals
Thin plates
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Beschreibung
Zusammenfassung:The gradient heat flux sensor made of a bismuth single crystal is calibrated. The volt–watt sensitivity of the sensor is determined and the method of data processing based on the 1D heat conduction equation for a thin plate is proposed. This method is tested on experimental data obtained for the initiation of a laser discharge in a calm atmosphere and in a supersonic gas flow.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784221020109