期刊
JOURNAL OF ENERGY STORAGE
卷 51, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.est.2022.104437
关键词
Phase change material; MEREC; Multicriteria decision method; Finite element method
资金
- Parque de Energias Renovables [P121819]
This study focuses on the use of phase change materials to regulate the temperature inside vehicles. By utilizing multicriteria decision methods, researchers were able to select the most suitable material for implementation on a vehicle's rooftop. The chosen material, savENRG PCM-HS22P, showed significant reduction in internal air temperature when heating and maintained cooling temperature, leading to energy conservation.
The use of vehicles is a daily matter worldwide, however, they remain parked most of the time and commonly under the heating sun, leading to a rise in the internal temperature that provokes heating discomfort, and when the temperature drops this discomfort to the user is felt as cold. In this way, to reduce the distress drivers use air conditioners in the first case and heaters in the second event as needed, making the consumption of energy a common activity. This research method takes a list of phase change materials used in some applications and makes a novel selection of the best material to be implemented on a vehicle's rooftop, which is done by Multicriteria Decision Methods means. The weighting is done by the Entropy weighting method compared with the new method based on the removal effect of criteria (MEREC), the decision-making methods VIKOR, COPRAS and TOPSIS choose the best material and the Spearman's correlation verify its agreement. The best material selected unanimously is the savENRG PCM-HS22P, which latter was simulated by finite elements methods, resulting in the reduction of 9 degrees C in the internal air when heating and conservation of 4 degrees C in the cooling with an increasing Phase Change Material layer.
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