EXPERIMENTAL INVESTIGATION OF ENERGY SAVING IN BUILDINGS WITH PCM COLD STORAGE

被引：0
|
作者：
Stritih, U. [1 ]
Butala, V. [1 ]
机构：
[1] Univ Ljubljana, Fac Mech Engn, Ljubljana 1000, Slovenia
来源：
8TH IIR CONFERENCE ON PHASE CHANGE MATERIALS AND SLURRIES FOR REFRIGERATION AND AIR CONDITIONING | 2009年
关键词：
Building; Cooling; Cold Storage; Experimental and Numerical Analysis; PHASE-CHANGE MATERIAL; THERMAL STORAGE; VENTILATION SYSTEM; HEAT-TRANSFER; GRANULES; BEHAVIOR; MODEL;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This article presents an experimental analysis of cooling buildings using night-time cold accumulation in a phase change material (PCM), otherwise known as the "free-cooling principle". Studies of the ceiling and floor free-cooling principle, as well as passive cooling, are presented. The free-cooling principle is explained and some of the types of PCMS suitable for summer cooling are listed. An experiment was conducted using paraffin with a melting point of 22 degrees C as the PCM to store cold during the night-time and to cool hot air during the daytime in summer. Air temperatures, heat fluxes and heat as a function of time are presented for different air velocities and inlet temperatures.
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页码：170 / 179
页数：10
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