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Laminar Natural Convection From Isothermal Vertical Cylinders

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.

Identiferoai:union.ndltd.org:unt.edu/info:ark/67531/metadc177190
Date08 1900
CreatorsDay, Jerod
ContributorsMirshams, Reza, Boetcher, Sandra, Traum, Matthew J.
PublisherUniversity of North Texas
Source SetsUniversity of North Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis or Dissertation
FormatText
RightsPublic, Day, Jerod, Copyright, Copyright is held by the author, unless otherwise noted. All rights Reserved.

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