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Optimization of Residential Urban-block Morphology Based on Its Synthetic Effects on Indoor and Outdoor Natural Lighting Environments by Bing Xia; Zhihao Li is a Environmental Science article available to read on EtoBox.

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The qualities of indoor and outdoor natural lighting environments are important aspects of sustainable urban design, which are inseparable, especially in high-density cities. This study aimed to reveal the synthetic effects of mesoscale urban morphology on indoor and outdoor natural lighting environments and propose corresponding design strategies for the sustainability of cities. Through data mining, 1680 residential blocks in Hangzhou, China, were selected for simulation analysis; urban morphology indicators that have a significant influence on daylighting performance were extracted. A multi-objective optimization algorithm was adopted to explore the optimal morphological features of urban morphology within a typical site. The extracted features were verified by morphological modifications in real cases. 1) The floor area ratio had the most significant effect on indoor daylighting (p= -0.673), while density was the most influential indicator for outdoor environments (p= -0.406); 2) in a typical site, morphological optimization can effectively improve lighting quality, with the average daylighting factor and sky view factor increasing by 3.7 and 6.7%, respectively; 3) two design s

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Author

Bing Xia; Zhihao Li

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)