Selection of parameters combination of thermoelectric materials for development of high-reliability coolers

Authors

DOI:

https://doi.org/10.15587/1729-4061.2015.42474

Keywords:

reliability, thermoelectric coolers, stages, materials, efficiency, temperature

Abstract

The possibilities of constructing two-stage high-reliability thermoelectric devices using the same combinations of parameters of raw materials in stages with equal efficiency at the series electrical connection of the stages were considered. The calculation data of the basic reliability parameters and indicators of the two-stage thermoelectric device using different combinations of parameters in stages for temperature changes from 60K to 90K and operation modes: maximum cooling capacity, maximum cooling capacity at a given current, maximum coefficient of performance, minimum failure rate were given.

It was proved that the approach to the thermocouple material selection by average efficiency, electrical conductivity and thermal conductivity indicators, adopted in the industrial production of thermoelectric modules is not optimized in terms of reliability of thermoelectric modules.

As a result of the analysis of reliability indicators of thermoelectric cooler for different combinations of parameters of raw materials, the possibility of increasing the probability of failure-free operation by more than 10% for all operation modes was revealed.

It was shown that an increase in thermoelectric cooling capacity in stages increases the cooling capacity or decreases the number of thermocouples, which together with the use of raw materials with high electrical conductivity allows to reduce the total failure rate and increase the probability of failure-free operation of two-stage devices.

Author Biographies

Владимир Петрович Зайков, Research Institute STORM Tereshkova Street, 27, Odessa, Ukraine, 65076

Senior Researcher, PhD

Head of Sector

Владимир Иванович Мещеряков, Odessa state environmental University Lvovskaya st., 15, Odessa, Ukraine, 65016

Professor, Doctor of technic Sciences

Department of Informatics

Юрий Иванович Журавлев, Odessa State Environmental University Lvovskaya street, 15, Odessa, Ukraine, 65016

postgraduated student

Department of Informatics

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Published

2015-06-29

How to Cite

Зайков, В. П., Мещеряков, В. И., & Журавлев, Ю. И. (2015). Selection of parameters combination of thermoelectric materials for development of high-reliability coolers. Eastern-European Journal of Enterprise Technologies, 3(8(75), 4–14. https://doi.org/10.15587/1729-4061.2015.42474

Issue

Section

Energy-saving technologies and equipment