Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating

Phase change heat storage material is a preferred material in solar building heating or off-peak electric-heat storage heating technology and is the research focus. A compact phase change thermal storage device has been designed and experimentally studied for improving heating system load in this wo...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Yang Li, Caixia Wang, Jun Zong, Jien Ma, Youtong Fang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	heat storage performance phase change material heat storage building heating magnesium nitrate hexahydrate Technology T
Acceso en línea:	https://doaj.org/article/26d22a43af144f9496234c59b42be4da
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:26d22a43af144f9496234c59b42be4da
record_format	dspace
spelling	oai:doaj.org-article:26d22a43af144f9496234c59b42be4da2021-11-11T15:54:16ZExperimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating10.3390/en142171081996-1073https://doaj.org/article/26d22a43af144f9496234c59b42be4da2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7108https://doaj.org/toc/1996-1073Phase change heat storage material is a preferred material in solar building heating or off-peak electric-heat storage heating technology and is the research focus. A compact phase change thermal storage device has been designed and experimentally studied for improving heating system load in this work. A new type, magnesium nitrate hexahydrate-based phase change material has been studied to improve the cooling degree and crystallization difficulty. The focus of this study is on the heat charging and discharging characteristics of this new phase change material. The heat storage device has two groups of coils, the inner side which carries water and the outer side which is the phase change material. A testing system was built up to value the thermal cycling performance of the heat storage device. The measurement data include phase change material temperature field, water inlet and water outlet mean temperature, heat charging and heat discharging depth, and flow rates over the operating period. The results show the phase change material has a quick response with the operating temperature range of 20–99 °C. Its latent heat is 151.3 J/g at 91.8 °C. The heat storage density of this phase change material is about 420 MJ/m<sup>3</sup>. The thermal performance degradation is about 1.8% after 800 operation cycles. The phase change thermal storage device shows flexibility and a great potential to improve the capacity and economy of heating systems.Yang LiCaixia WangJun ZongJien MaYoutong FangMDPI AGarticleheat storage performancephase change materialheat storagebuilding heatingmagnesium nitrate hexahydrateTechnologyTENEnergies, Vol 14, Iss 7108, p 7108 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	heat storage performance phase change material heat storage building heating magnesium nitrate hexahydrate Technology T
spellingShingle	heat storage performance phase change material heat storage building heating magnesium nitrate hexahydrate Technology T Yang Li Caixia Wang Jun Zong Jien Ma Youtong Fang Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating
description	Phase change heat storage material is a preferred material in solar building heating or off-peak electric-heat storage heating technology and is the research focus. A compact phase change thermal storage device has been designed and experimentally studied for improving heating system load in this work. A new type, magnesium nitrate hexahydrate-based phase change material has been studied to improve the cooling degree and crystallization difficulty. The focus of this study is on the heat charging and discharging characteristics of this new phase change material. The heat storage device has two groups of coils, the inner side which carries water and the outer side which is the phase change material. A testing system was built up to value the thermal cycling performance of the heat storage device. The measurement data include phase change material temperature field, water inlet and water outlet mean temperature, heat charging and heat discharging depth, and flow rates over the operating period. The results show the phase change material has a quick response with the operating temperature range of 20–99 °C. Its latent heat is 151.3 J/g at 91.8 °C. The heat storage density of this phase change material is about 420 MJ/m<sup>3</sup>. The thermal performance degradation is about 1.8% after 800 operation cycles. The phase change thermal storage device shows flexibility and a great potential to improve the capacity and economy of heating systems.
format	article
author	Yang Li Caixia Wang Jun Zong Jien Ma Youtong Fang
author_facet	Yang Li Caixia Wang Jun Zong Jien Ma Youtong Fang
author_sort	Yang Li
title	Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating
title_short	Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating
title_full	Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating
title_fullStr	Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating
title_full_unstemmed	Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating
title_sort	experimental research of the heat storage performance of a magnesium nitrate hexahydrate-based phase change material for building heating
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/26d22a43af144f9496234c59b42be4da
work_keys_str_mv	AT yangli experimentalresearchoftheheatstorageperformanceofamagnesiumnitratehexahydratebasedphasechangematerialforbuildingheating AT caixiawang experimentalresearchoftheheatstorageperformanceofamagnesiumnitratehexahydratebasedphasechangematerialforbuildingheating AT junzong experimentalresearchoftheheatstorageperformanceofamagnesiumnitratehexahydratebasedphasechangematerialforbuildingheating AT jienma experimentalresearchoftheheatstorageperformanceofamagnesiumnitratehexahydratebasedphasechangematerialforbuildingheating AT youtongfang experimentalresearchoftheheatstorageperformanceofamagnesiumnitratehexahydratebasedphasechangematerialforbuildingheating
_version_	1718432907904679936

Experimental Research of the Heat Storage Performance of a Magnesium Nitrate Hexahydrate-Based Phase Change Material for Building Heating

Ejemplares similares