Laminar Natural Convection From Isothermal Vertical Cylinders

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Laminar natural convection heat transfer from the vertical surface of a cylinder is a classical subject, which has been studied extensively. Furthermore, this subject has generated some recent interest in the literature. In the present investigation, numerical experiments were performed to determine average Nusselt numbers for isothermal vertical cylinders (103 < RaL < 109, 0.5 < L/D <10, and Pr = 0.7) with and without an adiabatic top in a quiescent ambient environment which will allow for plume growth. Results were compared with commonly used correlations and new average Nusselt number correlations are presented. Furthermore, the limit for which the ... continued below

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Day, Jerod August 2012.

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  • Day, Jerod

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Laminar natural convection heat transfer from the vertical surface of a cylinder is a classical subject, which has been studied extensively. Furthermore, this subject has generated some recent interest in the literature. In the present investigation, numerical experiments were performed to determine average Nusselt numbers for isothermal vertical cylinders (103 < RaL < 109, 0.5 < L/D <10, and Pr = 0.7) with and without an adiabatic top in a quiescent ambient environment which will allow for plume growth. Results were compared with commonly used correlations and new average Nusselt number correlations are presented. Furthermore, the limit for which the heat transfer results for a vertical flat plate may be used as an approximation for the heat transfer from a vertical cylinder was investigated.

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  • August 2012

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  • Aug. 13, 2013, 2:47 p.m.

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  • Nov. 16, 2016, 3:43 p.m.

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Day, Jerod. Laminar Natural Convection From Isothermal Vertical Cylinders, thesis, August 2012; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc177190/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .