Abstract
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.
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Funding
This study was supported by the Russian Foundation for Basic Research (project nos. 19-31-90071 and 18-08-00707). Calculations were performed using computer resources of the Computer Center of the St. Petersburg State University.
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Translated by N. Wadhwa
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Dobrov, Y.V., Lashkov, V.A., Mashek, I.C. et al. Measurement of Essentially Nonstationary Heat Fluxes by a Bismuth-Based Gradient Sensor. Tech. Phys. 66, 229–234 (2021). https://doi.org/10.1134/S1063784221020109
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DOI: https://doi.org/10.1134/S1063784221020109