Performance Analysis of Photovoltaic Passive Heat Storage System with Microencapsulated Paraffin Wax for Thermoelectric Generation

Mohamed  Nazer; Muhammad Fadzrul Hafidz  Rostam; Se Yong  Eh Noum; Mohammad Taghi  Hajibeigy; Kamyar Shameli; Ali Tahaei

doi:10.37934/jrnn.1.1.7590

Authors

Mohamed Nazer School of Computer Science and Engineering Taylors University, Jalan Taylors, 47500 Subang Jaya, Selangor, Malaysia
Muhammad Fadzrul Hafidz Rostam Jeffrey Sachs Center on Sustainable Development, Sunway University, Jalan Universiti, Bandar Sunway, 47500 Petaling Jaya, Selangor, Malaysia
Se Yong Eh Noum School of Computer Science and Engineering Taylors University, Jalan Taylors, 47500 Subang Jaya, Selangor, Malaysia
Mohammad Taghi Hajibeigy School of Computer Science and Engineering Taylors University, Jalan Taylors, 47500 Subang Jaya, Selangor, Malaysia
Kamyar Shameli Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100 Kuala Lumpur, Malaysia
Ali Tahaei Development of International Scientific Cooperation, Kharazmi University, Tehran, Iran

DOI:

https://doi.org/10.37934/jrnn.1.1.7590

Keywords:

Renewable energy, PVT system, TEG, CFD simulation, Transient thermal analysis, Microencapsulated paraffin wax

Abstract

The depletion of non-renewable energy sources and negative effects towards the environment push research towards the widespread adoption of renewable energy sources such as solar energy. The main drawback of solar panels is that temperatures above 27°C will result in an efficiency drop of 0.1-0.5%/°C. In previous studies, usage of photovoltaic thermal (PVT) systems was mainly for the purpose of heating water, warming buildings, and drying crops. This research will focus on the usage of a standalone PVT and thermoelectric generator (TEG) system whereby it uses heat extracted from the PVT system for thermoelectric generation. A passive standalone PVT-TEG system design with microencapsulated paraffin wax as a phase change material (PCM) as a heat storage medium was created. The heat stored in the PCM is used as a heat source for thermoelectric generation. To extract the heat from the PV panel, an aluminum heatsink underneath the PV panel is used as a heat absorber to passively extract heat without external power sources. This setup reduces the surface temperature by 22.7°C. Transient thermal analysis and thermoelectric simulation of the system was conducted through Computational Fluid Dynamics (CFD) using ANSYS 2019 software. The error recorded between the experimental and simulation results was 4.2%. This proposed system panel successfully increased the electrical efficiency of the PV panel by approximately 12.8%, where the overall electrical power produced shows a significant increase from 7.7W to 17.7W.

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