【摘要】 在分析重气形成原因的基础上,对影响重气扩散的因素进行了分析;对目前国外进行的大型重气扩散实验进行了简单的描述,在实验的基础上,对开发的重气扩散模型做了介绍,并对各类模型的优缺点以及基本原理进行了概括;最后提出重气扩散的研究方向。更多还原

【Abstract】 The paper gives a general idea about the causes for the formation of heavy gas and the factors influencing its dispersion.It also shows the large-scale experiments on heavy gas dispersion abroad.On the basis of the experiments,it concludes the basic principals.In the end,it proposes the direction for the future studies on the heavy gas dispersion.更多还原