pollution rate emission rate(Q) = 0 = 0 gram/second |

average wind speed (u) = 0 = 0 meter/second |

y direction plume standard deviation (σ _{y})= 0 = 0 meter |

z direction plume standard deviation (σ _{z})= 0 = 0 meter |

effective stach height (H) = 0 = 0 meter |

contaminant concentration at ground level along the plume centerline (C) = NOT CALCULATED |

Select to solve for a different unknown

Gaussian plume dispersion model developed by Pasquill

wind speed at elevation from known wind speed and elevation

wind speed at elevation | |

weather station wind speed | |

elevation | |

weather station elevation | |

stability parameter |

effective stack height

effective stack height | |

physical stack height | |

plume rise |

plume rise for superadiabatic conditions

plume rise | |

stack gas exit speed | |

stack diameter | |

average wind speed | |

stack heat emission rate |

plume rise for neutral stability conditions

plume rise | |

stack gas exit speed | |

stack diameter | |

average wind speed | |

stack heat emission rate |

plume rise for subadiabatic conditions

plume rise | |

stack gas exit speed | |

stack diameter | |

average wind speed | |

stack heat emission rate |

Where

C | = | downwind concentration |

Q | = | pollution source emission rate |

u | = | average wind speed |

σ_{y} | = | y direction plume standard deviation |

σ_{z} | = | z direction plume standard deviation |

x | = | position in the x direction or downwind direction |

y | = | position in the y direction |

z | = | position in the z direction |

H | = | effective stack height |

References - Books:

1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.

Home: PopularIndex 1Index 2Index 3Index 4Infant ChartMath GeometryPhysics ForceFluid MechanicsFinanceLoan CalculatorNursing Math

Online Web Apps, Rich Internet Application, Technical Tools, Specifications, How to Guides, Training, Applications, Examples, Tutorials, Reviews, Answers, Test Review Resources, Analysis, Homework Solutions, Worksheets, Help, Data and Information for Engineers, Technicians, Teachers, Tutors, Researchers, K-12 Education, College and High School Students, Science Fair Projects and Scientists

By Jimmy Raymond

Contact: aj@ajdesigner.com

Privacy Policy, Disclaimer and Terms

Copyright 2002-2015