街道峡谷内污染物扩散对周边建筑物自然通风影响的研究进展
Research progression in influences of air pollution dispersion in urban street canyon on nearby natural ventilated buildings
摘要：
介绍了城市街道峡谷内污染物的特点和扩散模式，分析了换气效率、室内气流组织、污染物扩散方式等影响建筑自然通风的主要因素，并对实地测量法和数值模拟法进行了分析和比较。
关键词：街道峡谷,污染物扩散,自然通风
Abstract：
Presents the main features and dispersion models of pollution in urban street canyons, and analyses the effect of air change rate, indoor air distribution and pollution dispersion on natural ventilation buildings. Compares and analyses the observation method and numerical simulation method.
Keywords:streetcanyon,pollutiondispersion,naturalventilation