The purpose of this paper is to provide a comprehensive report on the state of the art on\nthe technologies used in the modeling of energy storage systems by latent heat in buildings, and\ndraw lines on perspectives on the technology evolution in this sector. In the first part, the emphasis\nis put mainly on the two main lines of research: experimental and numerical. In the second part,\nthe main trends of research in this sector have been followed. An anatomical operation of more than\n100 documents (published between 2006 and 2016), on the behavior of storage systems integrating\nPhase Change Materials (PCM), covering a large number of configurations treatment and their\napplications in thermal comfort of buildings area, has shown that the information published in this\ntopic are very diverse and enormous, but in many cases are insufficient. The results show that, with\nsuitable design, the PCM can contribute to the reduction of costs and achieve energy reductions in\nbuildings, guaranteeing a comfortable interior environment. The evaluation of this multitude of\ndocuments gave the following remark: The effectiveness of any proposed approach to a numerical\nstudy is a concept with ambiguities, depending upon the method used, its precision, the problem to\nbe modeled, the convergence criteria and the input parameters choice. The diversity of experimental\nconditions and the variety of results revealed that the published works are not directly comparable.
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