An 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.
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Analysis of Hydrodynamics and Heat Transfer in a Thin Liquid Film Flowing Over a Rotating Disk by the Integral Method
S. Basu,
S. Basu
Mechanical Engineering Department,
University of Connecticut
, Storrs, CT 06269-3139
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B. M. Cetegen
B. M. Cetegen
Fellow ASME
Mechanical Engineering Department,
University of Connecticut
, Storrs, CT 06269-3139
Search for other works by this author on:
S. Basu
Mechanical Engineering Department,
University of Connecticut
, Storrs, CT 06269-3139
B. M. Cetegen
Fellow ASME
Mechanical Engineering Department,
University of Connecticut
, Storrs, CT 06269-3139J. Heat Transfer. Mar 2006, 128(3): 217-225 (9 pages)
Published Online: September 12, 2005
Article history
Received:
April 18, 2005
Revised:
September 12, 2005
Citation
Basu, S., and Cetegen, B. M. (September 12, 2005). "Analysis of Hydrodynamics and Heat Transfer in a Thin Liquid Film Flowing Over a Rotating Disk by the Integral Method." ASME. J. Heat Transfer. March 2006; 128(3): 217–225. https://doi.org/10.1115/1.2150836
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