Experimental investigation of PCM cold storage

被引：104

作者：

Butala, Vincenc ^{[1
]}

Stritih, Uros ^{[1
]}

机构：

[1] Univ Ljubljana, Fac Mech Engn, Ljubljana 1000, Slovenia

来源：

ENERGY AND BUILDINGS | 2009年 / 41卷 / 03期

关键词：

Building; Cooling; Cold storage; Experimental and numerical analysis; PHASE-CHANGE MATERIAL; THERMAL-ENERGY STORAGE; VENTILATION SYSTEM; HEAT-TRANSFER; BUILDINGS; GRANULES; BEHAVIOR; MODEL;

D O I：

10.1016/j.enbuild.2008.10.008

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This article presents an experimental analysis of cooling buildings using nighttime 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 nighttime and to cool hot air during the daytime in summer. Air temperatures and heat fluxes as a function of time are presented for different air velocities and inlet temperatures. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：354 / 359

页数：6

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