Reference for citation: Ibragimova A. M., Evdulov O. V. Experimental studies of a thermoelectric device for cooling discrete electric radio elements. Journal of Instrument Engineering. 2023. Vol. 66, N 8. P. 704—710 (in Russian). DOI: 10.17586/0021-3454-2023-66-8-704-710.

Abstract. A device is developed for cooling discrete electrical radio elements (DERE). The sources of cold in the device are standard thermoelectric modules (TEMs), which form two sections with the main and additional heat exchange systems. An experimental stand is described, and results of full-scale tests of the device are presented. Graphs of temperature changes over time at various points of the thermoelectric device (TED) structure - the DERE simulator for a set of values of the TEM supply current and the power of the DERE simulator are obtained experimentally. It is determined that the developed thermal power plant can use TEM of the DRIFT-1.5 type produced by Cryotherm (St. Petersburg). It is been found that when using this type of thermal modules, the temperature of the DERE can be reduced to 272 K at a power current close to the optimal (5 A), while the time to enter the mode is 90 s. The discrepancy between experimental and calculated data is estimated to be no more than 10 %.

Keywords: electric radio element, thermoelectric device, thermoelectric module, laboratory sample, cooling, experimental installation, measuring experiment

Acknowledgement: The study was supported by the Russian Science Foundation grant No. 23-29-00130, https://rscf.ru/project/23-29-00130/.

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