Considerations on design optimization criteria for windows providing low energy consumption and high visual comfort

被引:256
作者
Ochoa, Carlos E. [1 ]
Aries, Myriam B. C. [1 ]
van Loenen, Evert J. [1 ]
Hensen, Jan L. M. [1 ]
机构
[1] Eindhoven Univ Technol, Dept Built Environm, NL-5600 MB Eindhoven, Netherlands
关键词
Building energy performance; Optimization criteria; Window size; Visual performance; Visual comfort; DAYLIGHT; PERFORMANCE; IMPACT; LIGHT;
D O I
10.1016/j.apenergy.2012.02.042
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Apparent window size contradictions arise when optimizing simultaneously for low energy (small sizes) and visual comfort (large sizes). Diverse multi-objective optimization methods exist, but basic questions must be solved beforehand such as choosing appropriate evaluation measures. This work aims to determine the suitability of combined optimization criteria on window sizing procedures for low energy consumption with high visual comfort and performance. The paper showcases diverse measures available to valorise energy consumption and visual aspects. A series of energy and visual criteria were selected, defining acceptance thresholds for dynamic evaluations. Whole-building computer simulations were performed on a standardized office located in a temperate climate. Discrete window-to-wall ratio variations were studied to demonstrate how these criteria affect the solution space. Results were classified using a graphical optimization method, obtaining a solution space satisfying both energy and visual requirements. Most project expectations can be met within the range of sizes. However, unprotected windows barely meet acceptance criteria, needing additional control devices. Applying various related criteria with adequate values increases the diversity of acceptable solutions but too many limits it. Clear objectives and acceptance ranges have to be conceptualized in order to translate them into decisions. This becomes important when involving team design. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:238 / 245
页数:8
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