CORRELATIONS FOR THE MAXIMUM TRANSIENT NONPERIODIC INDOOR HEAT-FLOW THROUGH 15 TYPICAL WALLS

被引：12
作者：
ANTONOPOULOS, KA
DEMOCRITOU, F
机构：
[1] Mechanical Engineering Department, Thermal Section, National Technical University of Athens, 106 82 Athens
来源：
ENERGY | 1993年 / 18卷 / 07期
关键词：
D O I：
10.1016/0360-5442(93)90030-H
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The usual practice of assuming periodic outdoor conditions for calculation of the transient wall heat flow in air-conditioning load calculations leads to considerable errors in the case of a significant temporary deviation of the outdoor air temperature from periodicity. In the present work, which is based on a finite-difference solution of the transient non-periodic wall heat-conduction problem, we develop a very simple correlation for calculation of the increase of the maximum indoor heat flow DELTAq caused by a temporary rise of the outdoor air temperature in 15 typical wall constructions. For each one of these, the correlation expresses DELTAq in terms of temperature-deviation duration, of mean temperature difference and of amplitude difference of the temperature oscillations during and before the deviation from periodicity.
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页码：705 / 715
页数：11
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