Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants

A thermal energy storage (TES) approach is the primary technology for ensuring the continuous supply of electricity from solar power plants. In solar power research and development, selecting the best storage device and the right thermal storage content remains a major challenge. As compared to the...

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Autores principales:	Karem Elsayed Elfeky, Abubakar Gambo Mohammed, Qiuwang Wang
Formato:	article
Lenguaje:	EN
Publicado:	AIDIC Servizi S.r.l. 2021
Materias:	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
Acceso en línea:	https://doaj.org/article/6378e32813ff404e9935b14908e887e8
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spelling	oai:doaj.org-article:6378e32813ff404e9935b14908e887e82021-11-15T21:48:46ZThermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants10.3303/CET21880402283-9216https://doaj.org/article/6378e32813ff404e9935b14908e887e82021-11-01T00:00:00Zhttps://www.cetjournal.it/index.php/cet/article/view/11833https://doaj.org/toc/2283-9216A thermal energy storage (TES) approach is the primary technology for ensuring the continuous supply of electricity from solar power plants. In solar power research and development, selecting the best storage device and the right thermal storage content remains a major challenge. As compared to the liquid storage substance in a two-tank TES system, the thermocline TES system is a more cost-effective alternative for storing sensible heat. Centred on the concept of using a thermocline tank in concentrated solar power plants, the current study utilizes a range of solid storage materials as filling materials, with air acting as the heat transfer fluid. The major contribution of this research is to directly compare the thermo-economic efficiency potential of four storage materials (Quartzite, BOF-slag, Magnetite, and River rock) used in the thermocline storage tank in order to meet some design criteria of a CSP plant without the need for parametric studies. The thermo-economic performance of an air rock thermocline TES tank was investigated using a discrete element system combined with a numerical approach of computational fluid dynamics. The Quartzite presents the highest overall efficiency of 70 %, followed by the River rock with 61 %, and BOF-Slag equals 54 %, while Magnetite is the least in a row with 52 % overall efficacy. Based on thermal-economic performance evaluation, the results showed that the storage capacity of the Quartzite is greater by 37.5 %, 51.2 %, 21.2 % than BOF-Slag, River rock, and Magnetite.Karem Elsayed ElfekyAbubakar Gambo MohammedQiuwang WangAIDIC Servizi S.r.l.articleChemical engineeringTP155-156Computer engineering. Computer hardwareTK7885-7895ENChemical Engineering Transactions, Vol 88 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
spellingShingle	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895 Karem Elsayed Elfeky Abubakar Gambo Mohammed Qiuwang Wang Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants
description	A thermal energy storage (TES) approach is the primary technology for ensuring the continuous supply of electricity from solar power plants. In solar power research and development, selecting the best storage device and the right thermal storage content remains a major challenge. As compared to the liquid storage substance in a two-tank TES system, the thermocline TES system is a more cost-effective alternative for storing sensible heat. Centred on the concept of using a thermocline tank in concentrated solar power plants, the current study utilizes a range of solid storage materials as filling materials, with air acting as the heat transfer fluid. The major contribution of this research is to directly compare the thermo-economic efficiency potential of four storage materials (Quartzite, BOF-slag, Magnetite, and River rock) used in the thermocline storage tank in order to meet some design criteria of a CSP plant without the need for parametric studies. The thermo-economic performance of an air rock thermocline TES tank was investigated using a discrete element system combined with a numerical approach of computational fluid dynamics. The Quartzite presents the highest overall efficiency of 70 %, followed by the River rock with 61 %, and BOF-Slag equals 54 %, while Magnetite is the least in a row with 52 % overall efficacy. Based on thermal-economic performance evaluation, the results showed that the storage capacity of the Quartzite is greater by 37.5 %, 51.2 %, 21.2 % than BOF-Slag, River rock, and Magnetite.
format	article
author	Karem Elsayed Elfeky Abubakar Gambo Mohammed Qiuwang Wang
author_facet	Karem Elsayed Elfeky Abubakar Gambo Mohammed Qiuwang Wang
author_sort	Karem Elsayed Elfeky
title	Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants
title_short	Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants
title_full	Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants
title_fullStr	Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants
title_full_unstemmed	Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants
title_sort	thermo-economic evaluation of thermocline thermal energy storage tank for csp plants
publisher	AIDIC Servizi S.r.l.
publishDate	2021
url	https://doaj.org/article/6378e32813ff404e9935b14908e887e8
work_keys_str_mv	AT karemelsayedelfeky thermoeconomicevaluationofthermoclinethermalenergystoragetankforcspplants AT abubakargambomohammed thermoeconomicevaluationofthermoclinethermalenergystoragetankforcspplants AT qiuwangwang thermoeconomicevaluationofthermoclinethermalenergystoragetankforcspplants
_version_	1718426790770245632

Thermo-Economic Evaluation of Thermocline Thermal Energy Storage Tank for CSP Plants

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