Performance of thermoelectric generator with graphene nanofluid cooling

doi:10.1088/1674-1056/26/10/104401

Abstract

Improvement of the heat transfer of the cold side is one of the approaches to enhance the performance of TEG systems. As a new type of heat transfer media, nanofluids can enhance the heat transfer performance of working liquid significantly. Based on a three-dimensional and steady-state numerical model,the heat transfer and thermoelectric conversion properties of TEG systems were studied. Graphene anoplatelet aqueous nanofluids were used as the coolants for the cold side of the TEG system to improve the heat transfer capacity of the cold side. The results showed that the heat absorbed by the hot side, voltage, output power, and conversion efficiency of the TEG system were increased greatly by the nanofluid coolants. The output power and the conversion efficiency using 0.1-wt% graphene nanoplatelet aqueous nanofluid as the coolant are enhanced by 26.39% and 14.74%, respectively.

Keywords: thermoelectric devices conversion efficiency cooling enhancement nanofluids

Received: 19 February 2017
Revised: 06 April 2017
Accepted manuscript online:

PACS:	44.05.+e	(Analytical and numerical techniques)
	44.10.+i	(Heat conduction)
	44.27.+g	(Forced convection)

Fund:

Project supported by the Major Program of the National Natural Science Foundation of China (Grant No. 51590902), the National Natural Science Foundation of China (Grant N. 51476095), and the Program for Professor of Special Appointment (Young Eastern Scholar, QD2015052) at Shanghai Institutions of Higher Learning, and the Natural Science Foundation of Shanghai (Grant No. 14ZR1417000).

Corresponding Authors: Zi-hua Wu
E-mail: wuzihua@sspu.edu.cn

Cite this article:

Jiao-jiao Xing(邢姣娇), Zi-hua Wu(吴子华), Hua-qing Xie(谢华清), Yuan-yuan Wang(王元元), Yi-huai Li(李奕怀), Jian-hui Mao(毛建辉) Performance of thermoelectric generator with graphene nanofluid cooling 2017 Chin. Phys. B 26 104401

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