Test cell evaluation of supply air windows to characterise their optimum performance and its verification by the use of modelling techniques

被引:42
作者
McEvoy, ME
Southall, RG
Baker, PH
机构
[1] Univ Cambridge, Dept Architecture, Martin Ctr, Cambridge CB2 2EB, England
[2] Bldg Res Estab Ltd, Scottish Lab, Glasgow G75 ORZ, Lanark, Scotland
基金
英国工程与自然科学研究理事会;
关键词
evaluation; supply air windows; test cell;
D O I
10.1016/S0378-7788(03)00042-2
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
A supply air window is a device that by using the space between inner and outer sashes as an air path enables ventilation air in winter to be pre-heated before it enters a room. For optimum results it is necessary to maximise the window's capability as a heat reclaim device (by entraining into the air flow heat that would otherwise escape from the room) and its ability to absorb radiant energy from the sun. The principal requirements for achieving best performance include defining appropriate dimensional characteristics for the window, and the correct location of a low emissivity (low-E) coating within the glazing assembly. To determine these aspects tests were carried out using a PASSYS test cell. The performance of the window was monitored relative to climate conditions measured at an adjacent weather station. A simulation model of the test cell was built and comparison was made of the actual performance with forecast figures. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:1009 / 1020
页数:12
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