Abstract
In this article, a numerical study is performed on a Trobme wall in a tropical city for two seasons, summer and winter. A 1×1.5 m Trobme wall with a thickness of 15 cm is designed and analyzed. A 1-inch-diameter tube filled with PCM is used to enhance efficiency. The wall is analyzed at different times of the day for the two cold and hot seasons for different sizes of wall holes in the range of 70 to 17.5 cm when the wall height is 20 cm. A fluid simulation software is employed for the simulations. The problem variables include different hours of the day in the two cold and hot seasons, the presence or absence of PCM, as well as the size of the wall hole. The results of this simulation demonstrate that the maximum outlet temperature of the Trobme wall occurs at 2 P.M. Using PCM on the wall can allow the wall to operate for longer hours in the afternoon. However, the use of PCM reduces the outlet wall temperature in the morning. The smaller the size of the wall hole, the more air can be expelled from the wall.
Highlights
One of the most significant problems facing humanity in the future is energy challenges [1,2]
The results showed that latent heat (L-H) is stored during the saturation process, and a Trobme wall (Tr-W) is more efficient than a concrete one by storing L-H
In this paper, a Tr-W is simulated in winter and summer with a tube filled with a PCM
Summary
One of the most significant problems facing humanity in the future is energy challenges [1,2]. A Trobme wall (Tr-W) is a type of thermal storage wall that consists of a dark wall made of building materials and is covered with vertical glass. It is known as a storage and solar heating wall [24,25]. The Tr-W provides solar energy application, ventilation, and thermal comfort in buildings for different climatic regions [26]. Jaber et al [30] examined the performance of the ratio of the area of a Tr-W to the area of a wall in a house in Jordan Their results indicated that this ratio has a direct effect on thermal efficiency. Sebald and Phillips [33] performed a simulation study on the performance of a fan-equipped Tr-W and discovered that the fan improves the performance of the Tr-W by up to eight
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