Assessing the Dynamic Performance of Thermochemical Storage Materials

Walsh, Sara; Reynolds, Jack; Abbas, Bahaa; Woods, Rachel; Searle, Justin; Jewell, Eifion; Elvins, Jonathon

doi:10.3390/en13092202

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Assessing the Dynamic Performance of Thermochemical Storage Materials

Sara Walsh, Jack Reynolds, Bahaa Abbas, Rachel Woods, Justin Searle

, Eifion Jewell

, Jonathon Elvins

Energies, Volume: 13, Issue: 9, Start page: 2202

Swansea University Authors: Sara Walsh, Bahaa Abbas, Rachel Woods, Justin Searle , Eifion Jewell , Jonathon Elvins

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DOI (Published version): 10.3390/en13092202

Abstract

Thermochemical storage provides a volumetric and cost-efficient means of collecting energy from solar/waste heat in order to utilize it for space heating in another location. Equally important to the storage density, the dynamic thermal response dictates the power available which is critical to meet...

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Published in:	Energies
ISSN:	1996-1073
Published:	MDPI AG 2020
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa54127
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Equally important to the storage density, the dynamic thermal response dictates the power available which is critical to meet the varied demands of a practical space heating application. Using a laboratory scale reactor (127 cm3), an experimental study with salt in matrix (SIM) materials found that the reactor power response is primarily governed by the flow rate of moist air through the reactor and that creating salt with a higher salt fraction had minimal impact on the thermal response. The flowrate dictates the power profile of the reactor with an optimum value which balances moisture reactant delivery and reaction rate on the SIM. A mixed particle size produced the highest power (22 W) and peak thermal uplift (32 °C). A narrow particle range reduced the peak power and peak temperature as a result of lower packing densities of the SIM in the reactor. 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spelling	2021-08-05T16:30:46.1870928 v2 54127 2020-04-22 Assessing the Dynamic Performance of Thermochemical Storage Materials f7a10aed81ec6adf57df16246dbc01ce Sara Walsh Sara Walsh true false 70f72a44d3b1b045e0473147441a80d2 Bahaa Abbas Bahaa Abbas true false 3a788bc011d03599442c8e679a236096 Rachel Woods Rachel Woods true false 0e3f2c3812f181eaed11c45554d4cdd0 0000-0003-1101-075X Justin Searle Justin Searle true false 13dc152c178d51abfe0634445b0acf07 0000-0002-6894-2251 Eifion Jewell Eifion Jewell true false 8f619d25f6c30f8af32bc634e4775e21 Jonathon Elvins Jonathon Elvins true false 2020-04-22 CHEG Thermochemical storage provides a volumetric and cost-efficient means of collecting energy from solar/waste heat in order to utilize it for space heating in another location. Equally important to the storage density, the dynamic thermal response dictates the power available which is critical to meet the varied demands of a practical space heating application. Using a laboratory scale reactor (127 cm3), an experimental study with salt in matrix (SIM) materials found that the reactor power response is primarily governed by the flow rate of moist air through the reactor and that creating salt with a higher salt fraction had minimal impact on the thermal response. The flowrate dictates the power profile of the reactor with an optimum value which balances moisture reactant delivery and reaction rate on the SIM. A mixed particle size produced the highest power (22 W) and peak thermal uplift (32 °C). A narrow particle range reduced the peak power and peak temperature as a result of lower packing densities of the SIM in the reactor. The scaled maximum power density which could be achieved is >150 kW/m3, but achieving this would require optimization of the solid–moist air interactions Journal Article Energies 13 9 2202 MDPI AG 1996-1073 thermochemical storage; thermal power; dynamic thermal response; hydrated salt 2 5 2020 2020-05-02 10.3390/en13092202 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University 2021-08-05T16:30:46.1870928 2020-04-22T00:00:00.0000000 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Sara Walsh 1 Jack Reynolds 2 Bahaa Abbas 3 Rachel Woods 4 Justin Searle 0000-0003-1101-075X 5 Eifion Jewell 0000-0002-6894-2251 6 Jonathon Elvins 7 54127__17270__3ced43ced05542ff9745b5c5a6e31ebe.pdf 54127.pdf 2020-05-18T08:32:23.2058822 Output 2882140 application/pdf Version of Record true This is an open access article distributed under the Creative Commons Attribution License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title	Assessing the Dynamic Performance of Thermochemical Storage Materials
spellingShingle	Assessing the Dynamic Performance of Thermochemical Storage Materials Sara Walsh Bahaa Abbas Rachel Woods Justin Searle Eifion Jewell Jonathon Elvins
title_short	Assessing the Dynamic Performance of Thermochemical Storage Materials
title_full	Assessing the Dynamic Performance of Thermochemical Storage Materials
title_fullStr	Assessing the Dynamic Performance of Thermochemical Storage Materials
title_full_unstemmed	Assessing the Dynamic Performance of Thermochemical Storage Materials
title_sort	Assessing the Dynamic Performance of Thermochemical Storage Materials
author_id_str_mv	f7a10aed81ec6adf57df16246dbc01ce 70f72a44d3b1b045e0473147441a80d2 3a788bc011d03599442c8e679a236096 0e3f2c3812f181eaed11c45554d4cdd0 13dc152c178d51abfe0634445b0acf07 8f619d25f6c30f8af32bc634e4775e21
author_id_fullname_str_mv	f7a10aed81ec6adf57df16246dbc01ce_*_Sara Walsh 70f72a44d3b1b045e0473147441a80d2__Bahaa Abbas 3a788bc011d03599442c8e679a236096__Rachel Woods 0e3f2c3812f181eaed11c45554d4cdd0__Justin Searle 13dc152c178d51abfe0634445b0acf07__Eifion Jewell 8f619d25f6c30f8af32bc634e4775e21_*_Jonathon Elvins
author	Sara Walsh Bahaa Abbas Rachel Woods Justin Searle Eifion Jewell Jonathon Elvins
author2	Sara Walsh Jack Reynolds Bahaa Abbas Rachel Woods Justin Searle Eifion Jewell Jonathon Elvins
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description	Thermochemical storage provides a volumetric and cost-efficient means of collecting energy from solar/waste heat in order to utilize it for space heating in another location. Equally important to the storage density, the dynamic thermal response dictates the power available which is critical to meet the varied demands of a practical space heating application. Using a laboratory scale reactor (127 cm3), an experimental study with salt in matrix (SIM) materials found that the reactor power response is primarily governed by the flow rate of moist air through the reactor and that creating salt with a higher salt fraction had minimal impact on the thermal response. The flowrate dictates the power profile of the reactor with an optimum value which balances moisture reactant delivery and reaction rate on the SIM. A mixed particle size produced the highest power (22 W) and peak thermal uplift (32 °C). A narrow particle range reduced the peak power and peak temperature as a result of lower packing densities of the SIM in the reactor. The scaled maximum power density which could be achieved is >150 kW/m3, but achieving this would require optimization of the solid–moist air interactions
published_date	2020-05-02T04:07:28Z
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score	11.012924

Assessing the Dynamic Performance of Thermochemical Storage Materials

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