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Report RSE 17001382

Innovative heat storage systems for building applications

In this work the state of art of thermal storage with PCM and TCM material has been analyzed for residential buildings conditioning, to evaluate the state of progress of the technology, the performance obtained until now and the economic feasibility with the available data.

In this work the state of art of thermal storage with PCM and TCM material has been analyzed for buildings air conditioning, to evaluate the state of progress of the technology, the performance obtained until now and the economic feasibility with the available data. First of all the operation of the latent and thermochemical heat storage has been detailed with the requirements that ideally PCM and TCM materials should have for the conditioning applications. The major issues of these materials have been examined, with special attention to the improvement of heat transfer. For the PCM, the main residential uses with currently available commercial products have been shown, whereas for the TCM the main assembled and studied prototypes are analyzed. Due to the greater diffusion and knowledge of PCM products than the second one, an analytic simulation study is reported for the passive application of this material for residential conditioning.

The simulation have analyzed the thermal behavior of the material and the conditioning consumptions obtained for the heavyweight building, similar to the typical Italian construction of the ‘70s, studied for different cities of the Italian peninsula. The results have finally been processed to evaluate the effectiveness and the economic feasibility of this innovative solution for residential conditioning.

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