CYCLE CHARACTERISTICS OF A SOLID ADSORPTION COOLING TUBE DRIVEN BY WASTE HEAT
The theoretical thermodynamic cycle of a single solid adsorption refrigeration tube driven by waste heat is different from the traditional adsorption refrigeration cycle due to its features in configuration, which is composed of the following four processes: pressure-rising desorption, pressure-falling desorption, pressure- falling adsorption and pressure-rising adsorption. The detailed working processes and principles for the cooling tube were described and discussed. The effects of the external ambient parameters such as the heat source temperature, ambient air temperature, air velocity, etc. on performance of the refrigeration cycle were also discussed based on experimental data and the corresponding Clapeyron diagrams (lnp-1/T). The results show that within a certain range the increase of the heat source temperature makes for the decrease of the minimum cooling temperature and the increase of specific cooling power (SCP) of the cooling tube, and coefficient of performance (COP) is up to the optimum nearly at 275℃ of the heat source temperature. The increase of the ambient air temperature or air velocity results in a certain increase of the minimum cooling temperature and SCP, respectively. And COP varies little with the variation of ambient air temperature, however decreases little with the increase of air velocity.
Weidong WU Hua ZHANG Jingfeng WANG
Institute of Refrigeration, University of Shanghai for Science & Technology, 516 Jungong Rd.Shanghai, 200093, China
国际会议
The 22nd International Congress of Refrigeration(第22届国际制冷大会)
北京
英文
2007-08-21（万方平台首次上网日期，不代表论文的发表时间）