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Research of Toxic Gas Diffusion Simulation Technology Based on Arc Engine

机译：基于Arc Engine的有毒气体扩散模拟技术研究。

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This paper was mainly to solve how to accurately and visually simulate the toxic gas diffusion process. ArcGIS Engine drawing methods and key technologies were used, and gas leak emergencies based on Gaussian plume model was selected as a typical scene of emergency evacuation simulation system, dynamic simulation of gas diffusion based on t was implemented, and three key parameters, leakage source strength Q, wind speed V, surface roughness Z0, that affect results of gas diffusion were briefly analyzed and researched. The results show that simulation system can simulate dynamic diffusion processes after leak of toxic gas, and can quickly and accurately draw and calculate regional distribution of equal concentration about three areas at any time after leakage of toxic gas. The results of simulation can have a good assistant decision function on prediction and assessment of toxic gas leakage accident scene.
机译：本文的主要目的是解决如何准确，直观地模拟有毒气体扩散过程。使用ArcGIS Engine绘图方法和关键技术，选择基于高斯羽流模型的瓦斯泄漏紧急情况作为应急疏散模拟系统的典型场景，实现了基于t的瓦斯扩散动态模拟，并确定了三个关键参数：泄漏源强度简要分析和研究了影响气体扩散结果的Q，风速V，表面粗糙度Z0。结果表明，该仿真系统可以模拟有毒气体泄漏后的动态扩散过程，并可以在有毒气体泄漏后的任何时间，快速，准确地绘制并计算出等浓度的三个区域的浓度分布。仿真结果对有毒气体泄漏事故现场的预测和评估具有良好的辅助决策作用。

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