The Proceedings of the Symposium on Environmental Engineering
Online ISSN : 2424-2969
2002.12
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A Numerical Simulation of Building Influenced Airflow and Diffusion
Koji KITABAYASHITakashi KUMAZAWA
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 478-480

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Abstract
In recent years, the needs of the risk assessment to increasing chemical substances such as trichloroethylene tetrachloroethylene, benzene, etc are required. The chemical substances are mainly discharged in the atmosphere from the exhaust pipes or the stacks attached to the factory houses. The pollutants emitted from low stacks are affected by near buildings or the building on which exhaust pipes are attached and sometimes it causes high level pollution in neighbouring area. Moreover, the discharge to the water system occur through the river, via a water pipe or a sewer from the exit of drainage processing equipment. In this study, atmospheric diffusions of chemical substance emitted from a low chimney on the roof buildings were studied numerically for various buildings and chimney conditions. And compared with the results of the analytical model METI-LIS.
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© 2002 The Japan Society of Mechanical Engineers
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