RESEARCH ON TOTAL DAILY SOLAR RADIATION IN THE MIDDLE AND LOW DENSITY BLOCK

LIU Yan; ZHANG Moyan; CAO Qimeng; RUI Xin; GUO Xiangfei; YANG Liu

doi:10.13204/j.gyjzG19112911

Volume 50 Issue 7

Oct. 2020

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LIU Yan, ZHANG Moyan, CAO Qimeng, RUI Xin, GUO Xiangfei, YANG Liu. RESEARCH ON TOTAL DAILY SOLAR RADIATION IN THE MIDDLE AND LOW DENSITY BLOCK[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(7): 151-158. doi: 10.13204/j.gyjzG19112911

Citation:

LIU Yan, ZHANG Moyan, CAO Qimeng, RUI Xin, GUO Xiangfei, YANG Liu. RESEARCH ON TOTAL DAILY SOLAR RADIATION IN THE MIDDLE AND LOW DENSITY BLOCK[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(7): 151-158. doi: 10.13204/j.gyjzG19112911

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RESEARCH ON TOTAL DAILY SOLAR RADIATION IN THE MIDDLE AND LOW DENSITY BLOCK

doi: 10.13204/j.gyjzG19112911

1. State Key Laboratory of Green Building in Western China, Xi'an 710055, China;
2. School of Architecture, Xi'an University of Architecture and Technology, Xi'an 710055, China

Received Date: 2019-11-29
Publish Date: 2020-10-17

Abstract

Abstract

Green city and architecture design needs accurate consideration of solar radiation. Studying the distribution patterns of urban solar radiation can provide basic design parameters for green city and architecture design. The distribution patterns of solar radiation in the middle and low density urban area of Xi'an — Xi'an old city was studied by using the street panoramic images. The calculation flow was verified to be accurate and effective by field experiment. The study found that in the middle and low density urban areas, SVF (Sky View Factor) had a decisive effect on the intensity of solar radiation, and its pattern on affecting solar radiation were influenced by the direction and width of streets. The correlation between SVF and the solar radiation in the east-west streets was lower than that in the north-south streets, but the effect of SVF on the east-west streets was generally higher than that on the north-south streets. The narrower the street was, the more intense the effect of SVF on solar radiation was, except for the period when the solar height angle was low. Therefore, in urban and architectural design, east-west streets and north-south streets should adopt different parameter standards.
- urban solar radiation,
- urban morphology,
- sky view factor,
- daily global solar radiation

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References(17)

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