{"title":"在加拿大住宅建筑中应用 PCM 辐射供暖,实现近零能耗建筑","authors":"","doi":"10.1016/j.est.2024.114030","DOIUrl":null,"url":null,"abstract":"<div><div>The purpose of this research was to investigate the effect of using a thermal energy storage system consisting of an active layer inside the walls, embedded in a layer of PCM, for a residential building in Toronto on the annual savings of heating energy. The energy of the active layer is supplied by a solar collector integrated with a thermal energy storage tank, and the PCM helps to regulate the temperature of the water flowing inside the active layer pipes during the times when its temperature starts falling. The modeling and simulation of the entire system were performed in TRNSYS software. A parametric study was also conducted, focusing on the impact of the piping configuration layout on its thermal performance for energy savings. The obtained results indicate that using only an active layer inside each wall, with a diameter of 3 cm and spacing of 11 cm, would result in a 65 % annual energy saving. Additionally, embedding these pipes in a layer of PCM with a thickness of 12 cm can lead to further annual energy savings of 27 %. This means that using this system for a building in Toronto can achieve annual heating energy savings of 92 %, equivalent to a reduction from 14,400 MJ to 1012 MJ throughout a year. Furthermore, a cost analysis of the proposed model over its 25-year lifespan was conducted, showing a payback period of 22 years.</div></div>","PeriodicalId":15942,"journal":{"name":"Journal of energy storage","volume":null,"pages":null},"PeriodicalIF":8.9000,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Application of PCM for radiant heating of residential buildings in Canada towards achieving nearly zero energy buildings\",\"authors\":\"\",\"doi\":\"10.1016/j.est.2024.114030\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The purpose of this research was to investigate the effect of using a thermal energy storage system consisting of an active layer inside the walls, embedded in a layer of PCM, for a residential building in Toronto on the annual savings of heating energy. The energy of the active layer is supplied by a solar collector integrated with a thermal energy storage tank, and the PCM helps to regulate the temperature of the water flowing inside the active layer pipes during the times when its temperature starts falling. The modeling and simulation of the entire system were performed in TRNSYS software. A parametric study was also conducted, focusing on the impact of the piping configuration layout on its thermal performance for energy savings. The obtained results indicate that using only an active layer inside each wall, with a diameter of 3 cm and spacing of 11 cm, would result in a 65 % annual energy saving. Additionally, embedding these pipes in a layer of PCM with a thickness of 12 cm can lead to further annual energy savings of 27 %. This means that using this system for a building in Toronto can achieve annual heating energy savings of 92 %, equivalent to a reduction from 14,400 MJ to 1012 MJ throughout a year. Furthermore, a cost analysis of the proposed model over its 25-year lifespan was conducted, showing a payback period of 22 years.</div></div>\",\"PeriodicalId\":15942,\"journal\":{\"name\":\"Journal of energy storage\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":8.9000,\"publicationDate\":\"2024-10-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of energy storage\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2352152X24036168\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENERGY & FUELS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of energy storage","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2352152X24036168","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
Application of PCM for radiant heating of residential buildings in Canada towards achieving nearly zero energy buildings
The purpose of this research was to investigate the effect of using a thermal energy storage system consisting of an active layer inside the walls, embedded in a layer of PCM, for a residential building in Toronto on the annual savings of heating energy. The energy of the active layer is supplied by a solar collector integrated with a thermal energy storage tank, and the PCM helps to regulate the temperature of the water flowing inside the active layer pipes during the times when its temperature starts falling. The modeling and simulation of the entire system were performed in TRNSYS software. A parametric study was also conducted, focusing on the impact of the piping configuration layout on its thermal performance for energy savings. The obtained results indicate that using only an active layer inside each wall, with a diameter of 3 cm and spacing of 11 cm, would result in a 65 % annual energy saving. Additionally, embedding these pipes in a layer of PCM with a thickness of 12 cm can lead to further annual energy savings of 27 %. This means that using this system for a building in Toronto can achieve annual heating energy savings of 92 %, equivalent to a reduction from 14,400 MJ to 1012 MJ throughout a year. Furthermore, a cost analysis of the proposed model over its 25-year lifespan was conducted, showing a payback period of 22 years.
期刊介绍:
Journal of energy storage focusses on all aspects of energy storage, in particular systems integration, electric grid integration, modelling and analysis, novel energy storage technologies, sizing and management strategies, business models for operation of storage systems and energy storage developments worldwide.