论文摘要
城市建筑物布局与结构、背景来流的风速与风向,对污染物的扩散影响巨大,建立一套经济适用的、可靠性较高的模型对城市建设与规划作用巨大。本文在RANS模式的框架下,分别基于Mixture两相流模式和组分模式,建立了空气流动与污染物扩散的数值模拟模型。本文探讨Mixture两相流模式在城市尺度环境问题研究的可行性,为城市尺度环境问题的精细化研究打下基础。两种方法对城市环境中空气流动与污染物扩散模拟具有良好效果,适用于真实城市复杂的建筑群,保证有效精度的同时,也提供了模拟的灵活性。
论文目录
文章来源
类型: 国内会议
作者: 詹杰民,汪林飞,胡文清,韦永康
关键词: 污染物对流扩散,两相流,组分运输,浓度场,数值模拟
来源: 中国力学大会（CCTAM 2019） 2019-08-25
年度: 2019
分类: 基础科学,工程科技Ⅰ辑
专业: 气象学,环境科学与资源利用,环境科学与资源利用
单位: 中山大学应用力学与工程系,香港理工大学土木与环境工程学系
分类号: X51;X16
页码: 3930-3934
总页数: 5
文件大小: 907k
下载量: 26
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