期刊
BUILDING AND ENVIRONMENT
卷 73, 期 -, 页码 138-150出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.buildenv.2013.12.006
关键词
Heat mitigation; Thermal comfort; Courtyard; Field measurement; ENVI-met simulation
资金
- Department of Energy [DE-EE0003870]
Courtyard vegetation, high albedo surfaces, and courtyard ponds were investigated as potential heat mitigation strategies using field measurements and simulations in a university campus environment. The investigation was performed during a summer period in the temperate climate of Portland, Oregon, USA. In a comparison of seven locations on the campus, the maximum park cooling island effect recorded was 5.8 degrees C between the heavily treed campus park and a nearby parking lot with asphalt pavement. Simulations of courtyards with vegetation and a water pond showed 1.6 degrees C and 1.1 degrees C air temperature reduction, respectively. Changing the albedo of the pavement in a bare courtyard from 0.37 (black) to 0.91 (white) led to 2.9 degrees C increase of mean radiant temperature and 13 C decrease of air temperature. (C) 2013 Elsevier Ltd. All rights reserved.
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