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Analysis of Hydrodynamics and Heat Transfer in a Thin Liquid Film Flowing over a Rotating Disk by Integral MethodAn integral analysis of hydrodynamics and heat transfer in a thin liquid film flowing over a rotating disk surface is presented for both constant temperature and constant heat flux boundary conditions. The model is found to capture the correct trends of the liquid film thickness variation over the disk surface and compare reasonably well with experimental results over the range of Reynolds and Rossby numbers covering both inertia and rotation dominated regimes. Nusselt number variation over the disk surface shows two types of behavior. At low rotation rates, the Nusselt number exhibits a radial decay with Nusselt number magnitudes increasing with higher inlet Reynolds number for both constant wall temperature and heat flux cases. At high rotation rates, the Nusselt number profiles exhibit a peak whose location advances radially outward with increasing film Reynolds number or inertia. The results also compare favorably with the full numerical simulation results from an earlier study as well as with the reported experimental results.
Document ID
20050186717
Acquisition Source
Headquarters
Document Type
Preprint (Draft being sent to journal)
Authors
Basu, S.
(Connecticut Univ. Storrs, CT, United States)
Cetegen, B. M.
(Connecticut Univ. Storrs, CT, United States)
Date Acquired
September 7, 2013
Publication Date
January 1, 2005
Subject Category
Fluid Mechanics And Thermodynamics
Funding Number(s)
CONTRACT_GRANT: NCC3-789
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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