Model of correlation between geometry of thermoelectric branches and reliability indicators of single-stage coolers in Q0max mode

V. P. Zaikov; V. M. Meshcheryakov; Yu. I. Zhuravlev

doi:10.15222/TKEA2016.4-5.61

V. P. Zaikov
V. M. Meshcheryakov Odesa State Environmental University, Odesа, Ukraine
Yu. I. Zhuravlev Odesa State Environmental University, Odesа, Ukraine

DOI: https://doi.org/10.15222/TKEA2016.4-5.61

Keywords: thermoelectric device, geometry of thermoelectric branch, failure rate, failure-free operation probability, reliability

Abstract

The authors consider the influence of the geometry of thermoelectric branches on the performance reliability of single-stage thermoelectric devices (TED) operating at maximum cooling capacity at 2.0 W thermal load for any values of temperature difference (from 10 to 60 K). A model of correlation of these parameters is presented. It is shown that when the ratio of height of a thermoelectric branch to its cross-section area decreases, failure rate of a single-stage TED reduces, and therefore failure-free operation probability increases.

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