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International Conference on Mechanical Engineering and Technology (ICMET-London 2011)

Garry Lee
Garry Lee
Information Engineering Research Institute
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The Monomer vertical shelter tankers have been widely used because of their well-hiddenness and economy since 1980s. But the tankers were so narrow and poorly ventilated, that the oil gas in the tanks is hard to diffuse. The concentrative oil gas will cause fire and explosion which forms the high-risk area of oil warehouse. Documentary studies[1][2][3] prove that the airflow in the narrow space of oil tank is 1œ turbulence1. Numerical simulation of airflow for tankers was carried out on condition of natural and mechanical ventilation, using the computational fluid dynamics (CFD) code CFX5.7 based on k -1turbulence models. Regularities of distribution of oil gas in the tankers was compared and analyzed, and the improvement of reducing the concentration of oil gas was proposed.

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