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Volume 17
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Article

Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation

by
Yanan Li
1,2,
Hao Yang
2,
Chuanbin Yu
3,
Wenjie Zhou
2,
Qiang Zhang
2,
Haoyang Hu
2,
Peng Sun
2,
Jiehua Wu
2,
Xiaojian Tan
2,
Kun Song
2,4,*,
Guoqiang Liu
2,* and
Jun Jiang
2,*
1
Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China
2
Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
3
College of Civil Science and Engineering, Yangzhou University, Yangzhou 225009, China
4
School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China
*
Authors to whom correspondence should be addressed.
Energies 2024, 17(5), 1036; https://doi.org/10.3390/en17051036
Submission received: 31 January 2024 / Revised: 14 February 2024 / Accepted: 17 February 2024 / Published: 22 February 2024
(This article belongs to the Topic Energy Storage and Conversion Systems, 2nd Edition)
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Abstract

The thermal-electric conversion efficiency is a crucial metric for evaluating the performance of a thermoelectric generator (TEG). However, accurate measurement of this efficiency remains a significant challenge due to various factors that impact heat flow measurements. We have observed that temperature fluctuations during temperature control are the primary factor contributing to measurement errors in heat flow under vacuum conditions. To address this issue, we have developed a time-dependent theoretical model for the thermal-electric coupling of a TEG measurement system based on Fourier’s theory of heat conduction. This model allows us to investigate the effects of both temperature fluctuation and structural parameters on the measurement error of TEG performance. Furthermore, we have proposed an error correction scheme for TEG performance based on our theoretical and experimental findings. These insights provide a theoretical framework and technical guidance for more precise measurements of TEG performance.
Keywords: thermoelectric generator; measurement error; temperature fluctuation; error correction thermoelectric generator; measurement error; temperature fluctuation; error correction

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MDPI and ACS Style

Li, Y.; Yang, H.; Yu, C.; Zhou, W.; Zhang, Q.; Hu, H.; Sun, P.; Wu, J.; Tan, X.; Song, K.; et al. Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation. Energies 2024, 17, 1036. https://doi.org/10.3390/en17051036

AMA Style

Li Y, Yang H, Yu C, Zhou W, Zhang Q, Hu H, Sun P, Wu J, Tan X, Song K, et al. Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation. Energies. 2024; 17(5):1036. https://doi.org/10.3390/en17051036

Chicago/Turabian Style

Li, Yanan, Hao Yang, Chuanbin Yu, Wenjie Zhou, Qiang Zhang, Haoyang Hu, Peng Sun, Jiehua Wu, Xiaojian Tan, Kun Song, and et al. 2024. "Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation" Energies 17, no. 5: 1036. https://doi.org/10.3390/en17051036

APA Style

Li, Y., Yang, H., Yu, C., Zhou, W., Zhang, Q., Hu, H., Sun, P., Wu, J., Tan, X., Song, K., Liu, G., & Jiang, J. (2024). Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation. Energies, 17(5), 1036. https://doi.org/10.3390/en17051036

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