Abstract
Daylight utilization in urban areas is receiving increasing attention from urban planners and developers, architects and engineers. This study investigated the daylighting availability within buildings of a highly dense residential urban area under a cold climate in north-east China. Based on innovative simulations using climate-based daylight modelling (CBDM), three typical urban layouts have been assessed according to vertical daylight illuminance at the building facade. A comprehensive analysis of daylighting potential has been completed through various approaches including typical time (9 a.m., 12 p.m. and 3 p.m.), yearly average daylight illuminance and a proposed external daylight metric based on the frequency. Several interesting relationships are found between daylighting potential, urban forms, and climate conditions. A number of design strategies and guidelines are produced to support early stage urban planning and design.
| Original language | English |
|---|---|
| Pages (from-to) | 139-159 |
| Number of pages | 21 |
| Journal | Energy and Buildings |
| Volume | 193 |
| DOIs | |
| State | Published - 15 Jun 2019 |
| Externally published | Yes |
Keywords
- CBDM
- Cold climate
- Dynamic simulations
- Highly-dense residential area
- Vertical daylight illuminance
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