Research Article

Emergency Evacuation of Hazardous Chemical Accidents Based on Diffusion Simulation

Algorithm 2

GetConcentrationPerQ.
  % Calculate the concentration on some point at some moment, the unit is mg/s
  %  , , represent the diffusion coefficient on the , , axis respectively
  %  , , represent the coordinate values on the , , axis
  %   represents the diffusion time, the unit is s
  %   represents the average wind speed, the unit is m/s
  function   
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