Analysis of indices of reliability of cascade thermoelectric coolers in various current modes
DOI:
https://doi.org/10.15587/1729-4061.2016.80074Keywords:
thermoelectric devices, indices of reliability, operating mode, a temperature difference, thermal loadAbstract
Strict requirements for the operating conditions for thermally loaded elements of radio-electronic systems contribute to essential relevance of the problem of increasing the indices of reliability of thermoelectric coolers in the implementation of their thermal modes. This leads to the need for increasing the indices of reliability not only through the use of new materials, design and technological solutions, but also optimization of the current modes of thermoelectric modules.
The aim of this work is the search for the possibility of increasing the indices of reliability of cascade thermoelectric coolers, without changing their design parameters and material of thermoelements, by the selection of current modes at varied operating conditions.
In the work we proposed a mathematical model of interrelation of the relative magnitude of the failure rate of two-stage thermoelectric device with the number of thermoelements, relative operating current, thermal load, and temperature difference in the temperature range of workability of a cooler.
We carried out comparative analysis of the main significant parameters and indices of reliability of two-stage thermoelectric coolers for different current modes of operation in a wide range of temperature differences from =60 K to =90 K, taking into account the thermal load. It was demonstrated that with an increase in the general temperature difference, the ratio of the number of thermoelements in the adjacent cascades increases, the total number of thermoelements increases, the refrigeratory coefficient decreases, the relative magnitude of the failure rate grows and the probability of failure-free operation decreases. We obtained expression for determining the optimum relative operating current, at which the minimum value of relative number of thermoelements in the cascades is observed.
Comparative analysis of the main parameters and indices of reliability demonstrated the possibility of selection and implementation of different current modes of operation of a cascade thermoelectric cooler for the varied operation conditions. Two extreme (characteristic) modes were proposed: the mode providing a minimum number of thermoelements, that is, minimum mass and overall dimensions of device; and the mode, providing the minimum failure rate and the maximum probability of failure-free operation. The proposed modes may be applied in the process of designing thermoelectric devices of minimum mass and increased reliability.References
- Tcarev, А. V., Chugunkov, V. V. (2008). Investigation of thermoelectric devices characteristics for temperature control of launch complex. Actual issues of Russian cosmonautics, 320–321.
- Zebarjadi, M., Esfarjani, K., Dresselhaus, M. S., Ren, Z. F., Chen, G. (2012). Perspectives on thermoelectrics: from fundamentals to device applications. Energy & Environmental Science, 5 (1), 5147–5162. doi: 10.1039/c1ee02497c
- Melcor Thermoelectric Cooler Reliability Report (2002). Melcor Corporation, 36.
- Johnson, D. A., Kendrick, J. S. (1988). Improvements in reliability of thermoelectric coolers through redundant element design. Cryogenic optical systems and instruments III, 240–248. doi: 10.1117/12.948371
- Choi, H.-S., Seo, W.-S., Choi, D.-K. (2011). Prediction of reliability on thermoelectric module through accelerated life test and Physics-of-failure. Electronic Materials Letters, 7 (3), 271–275. doi: 10.1007/s13391-011-0917-x
- Simkin, A. V., Biryukov, A. V., Repnikov, N. I. et. al. (2012). Influence of the contact surface condition on the adhesive strength of switching layers thermocouples on the basis of extruded bismuth telluride. Thermoelectrisity, 2, 76–82.
- Zhang, L., Wu, Z., Xu, X., Xu, H., Wu, Y., Li, P., Yang, P. (2010). Approach on thermoelectricity reliability of board-level backplane based on the orthogonal experiment design. International Journal of Materials and Structural Integrity, 4 (2/3/4), 170–185. doi: 10.1504/ijmsi.2010.035205
- Sootsman, J. R., Chung, D. Y., Kanatzidis, M. G. (2009). New and Old Concepts in Thermoelectric Materials. Angewandte Chemie International Edition, 48 (46), 8616–8639. doi: 10.1002/anie.200900598
- Brown, S. R., Kauzlarich, S. M., Gascoin, F., Snyder, G. J. (2006). Yb 14 MnSb 11 : New High Efficiency Thermoelectric Material for Power Generation. Chemistry of Materials, 18 (7), 1873–1877. doi: 10.1021/cm060261t
- Zaykov, V. P., Meshcheryakov, V. I., Gnatovskaya, A. A., Zhuravlev, Y. I. (2015). The influence of the thermoelectric efficiency of raw materials on reliability of thermoelectric cooling devices performance. Part 1: Single stage TED. Technology and design of electronic equipment, 1, 44–48.
- Rowe, D. M. (2012). Thermoelectrics and its Energy Harvesting. Materials, Preparation, and Characterization in Thermoelectrics. Boca Raton: CRC Press, 544.
- Zaikov, V. P., Kirshova, L. A., Moiseev, V. F. (2009). Prediction of reliability on thermoelectric cooling devices. KN.1 Single-stage devices. Odessa: Politehperiodika, 118.
- Zaykov, V. P., Socheslav, D. P. (2012). Forecasting of reliability indicators in the construction of two-stage thermoelectric cooling devices with a minimum of thermocouples. Refrigeration and technology, 4, 36–41.
- Socheslav, D. P. (2012). Ttwo-stage thermoelectric cooling device mode which ensures minimal failure rate. Refrigeration equipment and technology, 1, 39–41.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2016 Vladimir Zaikov, Vladimir Mescheryakov, Yurii Zhuravlov
This work is licensed under a Creative Commons Attribution 4.0 International License.
The consolidation and conditions for the transfer of copyright (identification of authorship) is carried out in the License Agreement. In particular, the authors reserve the right to the authorship of their manuscript and transfer the first publication of this work to the journal under the terms of the Creative Commons CC BY license. At the same time, they have the right to conclude on their own additional agreements concerning the non-exclusive distribution of the work in the form in which it was published by this journal, but provided that the link to the first publication of the article in this journal is preserved.
A license agreement is a document in which the author warrants that he/she owns all copyright for the work (manuscript, article, etc.).
The authors, signing the License Agreement with TECHNOLOGY CENTER PC, have all rights to the further use of their work, provided that they link to our edition in which the work was published.
According to the terms of the License Agreement, the Publisher TECHNOLOGY CENTER PC does not take away your copyrights and receives permission from the authors to use and dissemination of the publication through the world's scientific resources (own electronic resources, scientometric databases, repositories, libraries, etc.).
In the absence of a signed License Agreement or in the absence of this agreement of identifiers allowing to identify the identity of the author, the editors have no right to work with the manuscript.
It is important to remember that there is another type of agreement between authors and publishers – when copyright is transferred from the authors to the publisher. In this case, the authors lose ownership of their work and may not use it in any way.
