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		题名	作者	年代	出处	被引量
	1	The Turbulent Schmidt Number for Transient Contaminant Dispersion in a Large Ventilated Room Using a Realizable k-εModel显示文摘Buildings with large open spaces in which chemicals are handled are often exposed to the risk of explosions.Computational fluid dynamics is a useful and convenient way to investigate contaminant dispersion in such large spaces.The turbulent Schmidt number(Sct)concept has typically been used in this regard,and most studies have adopted a default value.We studied the concentration distribution for sulfur hexafluoride(SF6)assuming different emission rates and considering the effect of Sct.Then we examined the same problem for a light gas by assuming hydrogen gas(H2)as the contaminant.When SF6 was considered as the contaminant gas,a variation in the emission rate completely changed the concentration distribution.When the emission rate was low,the gravitational effect did not take place.For both low and high emission rates,an increase in Sct accelerated the transport rate of SF6.In contrast,for H2 as the contaminant gas,a larger Sct could induce a decrease in the H2 transport rate.	Fei Wang Qinpeng Meng Jinchi Zhao Xin Wang Yuhong Liu Qianru Zhang	2024	Fluid Dynamics & Materials Processing2024，20，4：	0

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