COMPARING THE IMPACT OF PCM LOCATION IN THE BUILDING ENVELOPES COMPOSITION ON THE BUILDING'S THERMAL PERFORMANCE IN THREE CLIMATIC REGIONS

Document Type : Original Article

Authors

1 Structural Engineering Dept., Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt.

2 Construction and Building Eng. Dept., Tanta Higher Institute of Engineering and Technology, Tanta, 6643246, Egypt.

Abstract

A thermal energy storage system based on phase change materials (PCMs) is a promising solution to enhance energy savings in the building sector. However, every proper envelope design system needs modification to meet the required specifications. The study aims to evaluate the impacts of different PCM locations in the building envelope composition on the building's thermal performance. A numerical investigation was used to test the impacts of different PCM locations in the building envelope on the building's thermal performance. The simulations were conducted by using the Conduction Finite Difference (CondFD) solution algorithm that has the capability to deal with the phase transition behavior of PCMs. The results showed that the PCM location in the building envelope composition and climatic conditions have high impacts on energy savings and discomfort hours reduction, where the maximum energy savings and discomfort hours reduction percentages reached 28.45% and 15.8%, respectively, for the studied climates.
The results showed that the PCM location in the building envelope composition and climatic conditions have high impacts on energy savings and discomfort hours reduction, where the maximum energy savings and discomfort hours reduction percentages reached 28.45% and 15.8%, respectively, for the studied climates.

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