Outdoor synthetic temperature for the calculation of space heating load

被引：7
|
作者：
Hong, TZ [1 ]
Jiang, Y [1 ]
机构：
[1] Tsing Hua Univ, Dept Thermal Engn, HVAC Div, Beijing 100084, Peoples R China
来源：
ENERGY AND BUILDINGS | 1998年 / 28卷 / 03期
关键词：
heating load calculation; outdoor design conditions; residential buildings; stochastic analysis; thermal performance of buildings;
D O I：
10.1016/S0378-7788(98)00013-9
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Methods to select the outdoor design temperature (ODT) for heating load calculation specified in current design codes in different countries are firstly discussed. Then a new method namely Stochastic Analysis is presented to determine the outdoor synthetic temperature (OST), which fully considers the randomness of weather and internal casual gains, and the thermal performance of buildings. The concept of OST enables the design of space heating system to be the trade-off between economics and risk. Finally, case studies of the influence of different building components on OST of a residential room in Beijing have been studied, which shows that OST depends upon building structures as well as weather conditions. It is recommended that OST rather than ODT should be employed in heating load calculation hence, sizing equipment for space heating systems. (C) 1998 Published by Elsevier Science S.A. All rights reserved.
引用
收藏
页码：269 / 277
页数：9
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