CFD Analysis on Heat Transfer Enhancement of Thermoelectric Generator Heat Exchanger for Low-Grade Heat Power Generation

Haris, Muhaammad Yusri Abu; Singh, Baljit; Muhammad Fairuz Remeli; Oberoi, Amandeep

:: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies

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ISSN 2228-9860
eISSN 1906-9642
CODEN: ITJEA8

FEATURE PEER-REVIEWED ARTICLE

Vol.12(9) (2021)
Special Issue on the Universiti Teknologi MARA (UiTM) R&D Showcase

CFD Analysis on Heat Transfer Enhancement of Thermoelectric Generator Heat Exchanger for Low-Grade Heat Power Generation

Muhaammad Yusri Abu Haris, Baljit Singh, Muhammad Fairuz Remeli (Faculty of Mechanical Engineering, Universiti Teknologi MARA Malaysia, 40450 Shah Alam, Selangor, MALAYSIA),
Amandeep Oberoi (Mechanical Engineering Department, Thapar Institute of Engineering and Technology, Patiala, INDIA).

Disciplinary: Thermoelectricity; Thermal Engineering and Heat Transfer.
➤ FullText

doi: 10.14456/ITJEMAST.2021.169

Keywords: Computational Fluid Dynamics (CFD); Thermoelectric generator; Waste Heat; Fin Geometry; Flue-Gas; Heat Exchanger.
Abstract

This paper covers on computer simulation of waste heat recovery being released from the stack of waste heat boilers in a typical power station. A double pipe heat exchanger with a square inner pipe with thermoelectric generators was used. A series of fin geometry of the heat exchanger (normal fin, staggered square cross-section pin and staggered circular cross-section pin) was analyzed. Water liquid was used as a cold fluid and set as constant at 20°C with 0.02 kg/s throughout this analysis. On the hot fluid side, the temperature was varied from 40°C to 160°C with an increment of 40°C. From the analysis, by introducing turbulence flow, the heat transfer can be increased resulting in increased TEG performance. The maximum electrical powers produced were 29 W and 38 W for square cross-section pin and circular cross-section pin, respectively.

Paper ID: 12A9L

Cite this article:

Haris, M. Y. A., Singh, B., Remeli, M. F., Oberoi, A. (2021). CFD Analysis on Heat Transfer Enhancement of Thermoelectric Generator Heat Exchanger for Low-Grade Heat Power Generation. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies, 12(9), 12A9L, 1-8. http://doi.org/10.14456/ITJEMAST.2021.169

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