J. Yang’s scientific contributions

... For each small surface, various factors were considered, including solar radiation, sky radiation, longwave radiation between the surface and other surfaces, convective heat transfer and latent heat transfer between the surface and ambient air, and conduction heat transfer through the surface. The shape factor was calculated by the Monte Carlo method [38,39] and the radiative heat transfer was calculated by Gebhart's absorption factor [40]. Due to the different absorptivity under shortwave and longwave radiation, the values of Gebhart's absorption factor were also different, so each surface was calculated separately. According to the former studies [34,41,42], and considering the above heat transfer, the urban surface temperature can be reproduced well. ...

Reference:

Influence of Building Density on Outdoor Thermal Environment of Residential Area in Cities with Different Climatic Zones in China—Taking Guangzhou, Wuhan, Beijing, and Harbin as Examples