摘要:本文讨论了挥发性有毒物质的模拟问题,挥发性有毒物质化学动力学过程以挥发为主,挥发遵守Whitman双膜理论,并且受其湍流强度、水文要素及化学特征的控制.以各种途径进入小河与大江、河口与海湾、湖泊与水库的挥发性有毒化学物质,在特定的水-气环境中输送扩散形成污染浓度场.浓度分布由流体输送扩散的动力学特征和物质的物理-化学动力学过程决定.

English Abstract

SIMULATION OF VOLATILE TOXIC SUBSTANCE IN NATURAL WATER BODY

1. Yangtze Water Resources Protection BureauReceived Date:1989-04-21
Abstract:Modeling for simulation of volatile toxic substance in natural water body is discussed.Volatilization is the predominant factor in chemical kinetics of volatile substance in water body.The Whitman two layer theory is obeyed in the volatilization process which is also controled by turbulent strength, hydrotogical factors and chemical characteristics in the water. After transportation and dispersion, a concentration field of the volatile toxic substance is then formed in specific aqueous-atmospheric circumstance.The distribution of concentration is mainly determined by the kinetic characteristics of trnsportation and dispersion as well as the chemical and physical kinetic process of the toxic substance.
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