Power law non-Newtonian fluid unsteady conjugate three-dimensional natural convection inside a vessel driven by surrounding air thermal convection in a cavity
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- 作者：Nelson O. Moragaa ; nmoraga@userena.cl" class="auth_mail" title="E-mail the corresponding author ; Germá ; n P. Paradaa ; Diego A. Vascob
- 关键词：Conjugate heat convection ; Non-newtonian fluid ; Unsteady thermal flows
- 刊名：International Journal of Thermal Sciences
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：107
- 期：Complete
- 页码：247-258
- 全文大小：5445 K
文摘
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Thermal convection of a shear-thinning fluid driven by air external mixed convection was studied.
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Finite volume simulations were used to assess the effect of power index on natural convection of modified water.
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Velocities calculated with power law model (n = 0.4) are one order of magnitude smaller than using a Newtonain fluid model.
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Shear-thinning fluid in vessel originates a spherical thermal plume in the surrounding air.
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