A Trnsys Simulation Of A Solar-Driven Ejector Air Conditioning System With An Integrated PCM Cold Storage

被引：4
|
作者：
Allouche, Yosr [1 ,2 ]
Varga, Szabolcs [2 ]
Bouden, Chiheb [1 ]
Oliveira, Armando [2 ]
机构：
[1] Univ Tunis El Manar, Ecole Natl Ingn Tunis, Lab Mat Optimisat & Energie Durabil, LR-11-ES16, Tunis 1002, Tunisia
[2] Univ Porto, INEGI, Ctr Renewable Energy Res CIENER, Rua Dr Roberto Frias, P-4200465 Oporto, Portugal
来源：
TECHNOLOGIES AND MATERIALS FOR RENEWABLE ENERGY, ENVIRONMENT AND SUSTAINABILITY (TMREES16) | 2017年 / 1814卷
关键词：
solar air-conditioning; thermal energy storage; phase change materials; numerical modeling; ejector cycle; PHASE-CHANGE MATERIALS; REFRIGERATION;
D O I：
10.1063/1.4976240
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, the development of a TRNSYS model, for the simulation of a solar driven ejector cooling system with an integrated PCM cold storage is presented. The simulations were carried out with the aim of satisfying the cooling needs of a 140 m3 space during the summer season in Tunis, Tunisia. The system is composed of three main subsystems, which include: a solar loop, an ejector cycle and a PCM cold storage tank. The latter is connected to the air-conditioned space. The influence of applying cold storage on the system performance was investigated. It was found that the system COP increased compared to a system without cold storage. An optimal storage volume of 1000 1 was identified resulting in the highest cooling COP and highest indoor comfort (95% of the time with a room temperature below 26 degrees C). The maximum COP and solar thermal ratio (STR) were 0.193 and 0.097, respectively.
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页数：9
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