State of the art thermal energy storage solutions for high performance buildings

In this thesis, the general thermal energy storage solutions for high performance buildings have been comprehensively reviewed. Based on the properties of storage material, the thermal storage solutions can be classified into sensible, latent and thermochemical heat storages. Their categories, chara...

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Main Author: Cao, Sunliang
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Fysiikan laitos, Department of Physics, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:eng
Published: 2010
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/24448
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author Cao, Sunliang
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_facet Cao, Sunliang Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto Cao, Sunliang Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_sort Cao, Sunliang
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description In this thesis, the general thermal energy storage solutions for high performance buildings have been comprehensively reviewed. Based on the properties of storage material, the thermal storage solutions can be classified into sensible, latent and thermochemical heat storages. Their categories, characteristics and certain applications have been systematically introduced. Special emphases are put on the latent thermal storage technologies. Different classifications of phase change materials (PCMs), i.e. organic-, inorganic-, and eutectic- PCMs, have been carefully presented with their particular features and material candidates. PCM applications can cover almost every part of the building envelopes, such as wall, floor, ceiling, roof, window and sunshading systems. They can function either as a thermal buffer to alleviate the exterior environmental influences, or as an “automatic” indoor temperature regulator to attenuate the indoor temperature fluctuations and improve the thermal comfort. An experimental work conducted by me in NTNU/SINTEF Building and Infrastructure’s Laboratory has also been presented, analysed and discussed in this thesis. The laboratory work focused on the PCM integrated wall with the purpose to investigate the influences caused by convective conditions and attachment of PCM layer: their influences on the temperatures, heat fluxes, stratifications (temperature and heat flux), energy storage effect, heat conductive loss, convection coefficient, and energy saving effect will be carefully compared and analysed in this thesis. The much enhanced energy storage and release effects by attachment of PCM layer during phase change processes resulted in a less fluctuated interior environment and much significant energy saving effect. Meanwhile, the interior convective conditions would influence the foregoing effects caused by attachment of PCM layer, thus the best optimization of PCM layer and convective conditions should be based on the analysis of thermal comfort zone under certain conditions in room environment.
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spellingShingle Cao, Sunliang State of the art thermal energy storage solutions for high performance buildings thermal energy storage phase change material PCM 402
title State of the art thermal energy storage solutions for high performance buildings
title_full State of the art thermal energy storage solutions for high performance buildings
title_fullStr State of the art thermal energy storage solutions for high performance buildings State of the art thermal energy storage solutions for high performance buildings
title_full_unstemmed State of the art thermal energy storage solutions for high performance buildings State of the art thermal energy storage solutions for high performance buildings
title_short State of the art thermal energy storage solutions for high performance buildings
title_sort state of the art thermal energy storage solutions for high performance buildings
title_txtP State of the art thermal energy storage solutions for high performance buildings
topic thermal energy storage phase change material PCM 402
topic_facet 402 PCM phase change material thermal energy storage
url https://jyx.jyu.fi/handle/123456789/24448 http://www.urn.fi/URN:NBN:fi:jyu-201006172096
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