Solar photovoltaic panels with finned phase change material heat sinks

Preeti Singh; Sourav Khanna; Sanjeev Newar; Vashi Sharma; K. Srinivas Reddy; Tapas K. Mallick; Victor Becerra; Jovana Radulovic; David Hutchinson; Rinat Khusainov

doi:10.3390/en13102558

Solar photovoltaic panels with finned phase change material heat sinks

Preeti Singh, Sourav Khanna^*, Sanjeev Newar, Vashi Sharma, K. Srinivas Reddy, Tapas K. Mallick, Victor Becerra, Jovana Radulovic, David Hutchinson, Rinat Khusainov

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Phase change material (PCM) based passive cooling of photovoltaics (PV) can be highly productive due to high latent heat capacity. However, the low rate of heat transfer limits its usefulness. Thus, the presented work aims at the improvement in PV cooling by using finned PCM (FPCM) heat sinks. In the present study, PCM heat sink and FPCM heat sinks were investigated numerically for PV cooling and the extracted heat is used for space heating. 4 kWp PV, PV-PCM and PV-FPCM systems were studied under the weather conditions of Southeast of England. It was observed that the PCM heat sinks can drop the peak PV temperature by 13 K, whereas FPCM heat sinks can enhance the PV cooling by 19 K. The PCM heat sinks can increase the PV electrical efficiency from 13% to 14%. Moreover, the daily electricity generation can be boosted by 7% using PCM and 8% by using FPCM heat sinks. In addition, 7 kWh of thermal output was achieved using the FPCM heat sink, and the overall efficiency of system increased from 13% to 19%.

Original language	English
Article number	2558
Number of pages	17
Journal	Energies
Volume	13
Issue number	10
DOIs	https://doi.org/10.3390/en13102558
Publication status	Published - 18 May 2020

Keywords

Electricity enhancement
Phase change material
Photovoltaics
Thermal energy storage
Thermal management
RCUK
EPSRC
EP/K03619X/1

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3390/en13102558

energies-13-02558-v2Final published version, 2.39 MBLicence: CC BY

SOLARISE: Solar adoption rise in the 2 seas
Becerra, V., Radulovic, J., Khusainov, R. & Hutchinson, D.
European Commission
1/07/18 → 30/06/22
Project: Research

Cite this

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title = "Solar photovoltaic panels with finned phase change material heat sinks",

abstract = "Phase change material (PCM) based passive cooling of photovoltaics (PV) can be highly productive due to high latent heat capacity. However, the low rate of heat transfer limits its usefulness. Thus, the presented work aims at the improvement in PV cooling by using finned PCM (FPCM) heat sinks. In the present study, PCM heat sink and FPCM heat sinks were investigated numerically for PV cooling and the extracted heat is used for space heating. 4 kWp PV, PV-PCM and PV-FPCM systems were studied under the weather conditions of Southeast of England. It was observed that the PCM heat sinks can drop the peak PV temperature by 13 K, whereas FPCM heat sinks can enhance the PV cooling by 19 K. The PCM heat sinks can increase the PV electrical efficiency from 13% to 14%. Moreover, the daily electricity generation can be boosted by 7% using PCM and 8% by using FPCM heat sinks. In addition, 7 kWh of thermal output was achieved using the FPCM heat sink, and the overall efficiency of system increased from 13% to 19%.",

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AU - Singh, Preeti

AU - Khanna, Sourav

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AU - Sharma, Vashi

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AU - Mallick, Tapas K.

AU - Becerra, Victor

AU - Radulovic, Jovana

AU - Hutchinson, David

AU - Khusainov, Rinat

PY - 2020/5/18

Y1 - 2020/5/18

N2 - Phase change material (PCM) based passive cooling of photovoltaics (PV) can be highly productive due to high latent heat capacity. However, the low rate of heat transfer limits its usefulness. Thus, the presented work aims at the improvement in PV cooling by using finned PCM (FPCM) heat sinks. In the present study, PCM heat sink and FPCM heat sinks were investigated numerically for PV cooling and the extracted heat is used for space heating. 4 kWp PV, PV-PCM and PV-FPCM systems were studied under the weather conditions of Southeast of England. It was observed that the PCM heat sinks can drop the peak PV temperature by 13 K, whereas FPCM heat sinks can enhance the PV cooling by 19 K. The PCM heat sinks can increase the PV electrical efficiency from 13% to 14%. Moreover, the daily electricity generation can be boosted by 7% using PCM and 8% by using FPCM heat sinks. In addition, 7 kWh of thermal output was achieved using the FPCM heat sink, and the overall efficiency of system increased from 13% to 19%.

AB - Phase change material (PCM) based passive cooling of photovoltaics (PV) can be highly productive due to high latent heat capacity. However, the low rate of heat transfer limits its usefulness. Thus, the presented work aims at the improvement in PV cooling by using finned PCM (FPCM) heat sinks. In the present study, PCM heat sink and FPCM heat sinks were investigated numerically for PV cooling and the extracted heat is used for space heating. 4 kWp PV, PV-PCM and PV-FPCM systems were studied under the weather conditions of Southeast of England. It was observed that the PCM heat sinks can drop the peak PV temperature by 13 K, whereas FPCM heat sinks can enhance the PV cooling by 19 K. The PCM heat sinks can increase the PV electrical efficiency from 13% to 14%. Moreover, the daily electricity generation can be boosted by 7% using PCM and 8% by using FPCM heat sinks. In addition, 7 kWh of thermal output was achieved using the FPCM heat sink, and the overall efficiency of system increased from 13% to 19%.

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Solar photovoltaic panels with finned phase change material heat sinks

Abstract

Keywords

UN SDGs

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Projects

SOLARISE: Solar adoption rise in the 2 seas

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