Performance Evaluation of a Direct Absorption Collector for Solar Thermal Energy Conversion

Abdul Sattar; Muhammad Farooq; Muhammad Amjad; Muhammad A. Saeed; Saad Nawaz; M.A. Mujtaba; Saqib Anwar; Ahmed M. El-Sherbeeny; Manzoore Elahi M. Soudagar; Enio P. Bandarra Filho; Qasim Ali; Muhammad Imran; Alberto Pettinau

doi:10.3390/en13184956

Performance Evaluation of a Direct Absorption Collector for Solar Thermal Energy Conversion

Abdul Sattar, Muhammad Farooq, Muhammad Amjad, Muhammad A. Saeed, Saad Nawaz, M.A. Mujtaba, Saqib Anwar, Ahmed M. El-Sherbeeny, Manzoore Elahi M. Soudagar, Enio P. Bandarra Filho, Qasim Ali, Muhammad Imran, Alberto Pettinau^*

^*Corresponding author for this work

Mechanical, Biomedical & Design Engineering

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

Abstract

The solar absorption efficiency of water as a base-fluid can be significantly improved by suspending nanoparticles of various materials in it. This experimental work presents the photo thermal performance of water-based nano-fluids of graphene oxide (GO), zinc oxide (ZnO), copper oxide (CuO), and their hybrids under natural solar flux for the first time. Nanofluid samples were prepared by the two-step method and the photothermal performance of these nanofluid samples was conducted under natural solar flux in a particle concentration range from 0.0004 wt % to 0.0012 wt %. The photothermal efficiency of water-based 0.0012 wt % GO nanofluid was 46.6% greater than that of the other nanofluids used. This increased photothermal performance of GO nanofluid was associated with its good stability, high absorptivity, and high thermal conductivity. Thus, pure graphene oxide (GO) based nanofluid is a potential candidate for direct absorption solar collection to be used in different solar thermal energy conversion applications.

Original language	English
Article number	4956
Journal	Energies
Volume	13
Issue number	18
DOIs	https://doi.org/10.3390/en13184956
Publication status	Published - 21 Sept 2020

Bibliographical note

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access
article distributed under the terms and conditions of the Creative Commons Attribution
(CC BY) license (http://creativecommons.org/licenses/by/4.0/)

Keywords

Direct solar absorption
Hybrid nanofluid
Photo thermal performance
Solar energy

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title = "Performance Evaluation of a Direct Absorption Collector for Solar Thermal Energy Conversion",

abstract = "The solar absorption efficiency of water as a base-fluid can be significantly improved by suspending nanoparticles of various materials in it. This experimental work presents the photo thermal performance of water-based nano-fluids of graphene oxide (GO), zinc oxide (ZnO), copper oxide (CuO), and their hybrids under natural solar flux for the first time. Nanofluid samples were prepared by the two-step method and the photothermal performance of these nanofluid samples was conducted under natural solar flux in a particle concentration range from 0.0004 wt % to 0.0012 wt %. The photothermal efficiency of water-based 0.0012 wt % GO nanofluid was 46.6% greater than that of the other nanofluids used. This increased photothermal performance of GO nanofluid was associated with its good stability, high absorptivity, and high thermal conductivity. Thus, pure graphene oxide (GO) based nanofluid is a potential candidate for direct absorption solar collection to be used in different solar thermal energy conversion applications.",

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AU - Mujtaba, M.A.

AU - Anwar, Saqib

AU - El-Sherbeeny, Ahmed M.

AU - Soudagar, Manzoore Elahi M.

AU - Bandarra Filho, Enio P.

AU - Ali, Qasim

AU - Imran, Muhammad

AU - Pettinau, Alberto

N1 - © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)

PY - 2020/9/21

Y1 - 2020/9/21

N2 - The solar absorption efficiency of water as a base-fluid can be significantly improved by suspending nanoparticles of various materials in it. This experimental work presents the photo thermal performance of water-based nano-fluids of graphene oxide (GO), zinc oxide (ZnO), copper oxide (CuO), and their hybrids under natural solar flux for the first time. Nanofluid samples were prepared by the two-step method and the photothermal performance of these nanofluid samples was conducted under natural solar flux in a particle concentration range from 0.0004 wt % to 0.0012 wt %. The photothermal efficiency of water-based 0.0012 wt % GO nanofluid was 46.6% greater than that of the other nanofluids used. This increased photothermal performance of GO nanofluid was associated with its good stability, high absorptivity, and high thermal conductivity. Thus, pure graphene oxide (GO) based nanofluid is a potential candidate for direct absorption solar collection to be used in different solar thermal energy conversion applications.

AB - The solar absorption efficiency of water as a base-fluid can be significantly improved by suspending nanoparticles of various materials in it. This experimental work presents the photo thermal performance of water-based nano-fluids of graphene oxide (GO), zinc oxide (ZnO), copper oxide (CuO), and their hybrids under natural solar flux for the first time. Nanofluid samples were prepared by the two-step method and the photothermal performance of these nanofluid samples was conducted under natural solar flux in a particle concentration range from 0.0004 wt % to 0.0012 wt %. The photothermal efficiency of water-based 0.0012 wt % GO nanofluid was 46.6% greater than that of the other nanofluids used. This increased photothermal performance of GO nanofluid was associated with its good stability, high absorptivity, and high thermal conductivity. Thus, pure graphene oxide (GO) based nanofluid is a potential candidate for direct absorption solar collection to be used in different solar thermal energy conversion applications.

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JO - Energies

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ER -

Performance Evaluation of a Direct Absorption Collector for Solar Thermal Energy Conversion

Abstract

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