By Jan Kośny
Presenting an summary of using part swap fabrics (PCMs) inside structures, this booklet discusses the functionality of PCM-enhanced construction envelopes. It studies the most typical PCMs compatible for development purposes, and discusses PCM encapsulation and packaging tools. as well as this, it examines more than a few PCM-enhanced construction items within the strategy of improvement in addition to examples of whole-building-scale box demonstrations. additional chapters talk about experimental and theoretical analyses (including on hand software program) to figure out dynamic thermal and effort functionality features of creating enclosure elements containing PCMs, and current various laboratory and box checking out equipment. eventually, quite a lot of PCM development items are provided that are commercially to be had around the globe. This e-book is meant for college kids and researchers of mechanical, architectural and civil engineering and postgraduate scholars of power research, dynamic layout of creating constructions, and dynamic checking out strategies. It additionally presents an invaluable source for pros considering architectural and mechanical-civil engineering layout, thermal trying out and PCM manufacturing.
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Additional resources for PCM-Enhanced Building Components: An Application of Phase Change Materials in Building Envelopes and Internal Structures
In: Proceedings of DOE, ASHRAE, ORNL conference—Thermal envelopes XI. Thermal performance of the exterior envelopes of buildings, Clearwater Kośny J, Biswas K, Miller WA, Kriner S (2012a) Field thermal performance of naturally ventilated solar roof with PCM heat sink. Sol Energy 86(9):2504–2514 18 1 Introduction Kośny J, Kossecka E, Brzezinski B, Tleoubaev A, Yarbrough D (2012b) Dynamic thermal performance analysis of ﬁber insulations containing bio-based phase change materials (PCMs). Energy Build 52:122–131 Kośny J, Fallahi A, Shukla N, Kossecka E, Ahbari R (2014a) Thermal load mitigation and passive cooling in residential attics containing PCM-enhanced insulations.
PCM solar walls are typically used in mixed and cold climates. Generations of passive solar walls containing PCM have been studied for decades as a way of heating buildings from a renewable energy source. com/article/419445/the-house-of-the-day-after-tomorrow/. htm. 2 24 2 Short History of PCM Applications in Building Envelopes Summer shading Solar radiation Air Heat circulation conduction Solar radiation Air vent Air Heat circulation conduction South facing glazing South facing glazing Air cavity Air cavity Solar absorber Summer shading Air vent Masonry wall Solar absorber PCM container Fig.
These experimental results were used to validate the numerical model, which demonstrated that a Trombe wall with latent heat storage was more efﬁcient than conventional concrete walls. This research indicated that the optimum thickness of a PCM wall was of a factor 4 thinner than an equivalent concrete wall. In the following work, varieties of natural- and petroleum-based hydrocarbons have been used as thermal storage. Knowles (1983) used parafﬁn mixed with metal shavings for increasing the overall conductivity and efﬁciency in the Trombe wall.
PCM-Enhanced Building Components: An Application of Phase Change Materials in Building Envelopes and Internal Structures by Jan Kośny