Numerical study of three-dimensional turbulent natural convection in a differentially heated air-filled tall cavity

Numerical study of three-dimensional turbulent natural convection in a differentially heated air-filled tall cavity
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差热充气高空腔三维湍流自然对流数值研究

DOI:
10.1016/j.icheatmasstransfer.2008.01.011
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发表时间:
2008-05
影响因子:
7
通讯作者:
--
中科院分区:
工程技术2区
文献类型:
--
作者:

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湍流自然对流的正确描述在传热学和建筑环境领域有着重要的作用。高空腔内湍流区的自然对流可以表现出复杂的动力学行为,影响冷热涡团间的动量和热量传输。采用高阶有限差分格式,给出了瑞利数较高时,高深宽比为16:8:1时高空腔内的旋涡结构,以及中面水平和垂直中心线上速度分量的相关特性。
Correct description of turbulent natural convection plays an important role in the field of heat transfer and building environment. The natural convection in turbulent regime in a tall cavity can exhibit a complex dynamic behavior that affects the momentum and heat transport between the hot and cold vortical clusters. Using higher order finite difference numerical scheme, the results from this numerical study present the vortical structures in the tall cavity when the height–depth–width ratio is 16:8:1 for higher Rayleigh numbers and the characteristics of the correlation between the velocity components along the horizontal and vertical center lines in the midplane.
DOI: 10.1016/j.ijheatmasstransfer.2005.06.045
发表时间: 2006-03
影响因子: 5.2
作者:
J. Wright;H. Jin;K. Hollands;D. Naylor
通讯作者: J. Wright;H. Jin;K. Hollands;D. Naylor
DOI: 10.1115/1.3245075
发表时间: 1982-02
影响因子: --
作者:
S. M. Elsherbiny;G. Raithby;K. Hollands
通讯作者: S. M. Elsherbiny;G. Raithby;K. Hollands
DOI: 10.1016/j.ijheatfluidflow.2004.04.003
发表时间: 2004-10
影响因子: 2.6
作者:
J. Salat;S. Xin;P. Joubert;A. Sergent;F. Penot;P. Quéré
通讯作者: J. Salat;S. Xin;P. Joubert;A. Sergent;F. Penot;P. Quéré
DOI: 10.1016/s0142-727x(00)00033-3
发表时间: 2000-12-01
影响因子: 2.6
作者:
Betts, PL;Bokhari, IH
通讯作者: Bokhari, IH
DOI: 10.7551/mitpress/3014.001.0001
发表时间: 1972
期刊: --
影响因子: --
作者:
H. Tennekes;J. Lumley
通讯作者: H. Tennekes;J. Lumley