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A numerical study of the direct contact condensation on a horizontal surfaceThe results of a numerical study of the direct contact condensation on a slowly moving horizontal liquid surface are presented. The geometrical configuration and the input conditions used to obtain numerical solutions are representative to those of experiments of Celata et al. The effects of Prandtl number (Pr), inflow Reynolds number, and Richardson number on the condensation rate are investigated. Numerical predictions of condensation rate for laminar flow are in good agreement with experimental data. The effect of buoyancy on the condensation rate is characterized by Richardson number. A correlation based on the numerical solutions is developed to predict the average condensation Nusselt number in terms of Richardson number, Peclet number, and inflow Reynolds number.
Document ID
19910015235
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hasan, M. M. (NASA Lewis Research Center Cleveland, OH., United States)
Lin, C. S. (Analex Corp. Fairview Park, OH., United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1991
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
NASA-TM-104432
AIAA PAPER 91-1307
NAS 1.15:104432
E-6270
Meeting Information
Meeting: Thermophysics Conference
Location: Honolulu, HI
Country: United States
Start Date: June 24, 1991
End Date: June 26, 1991
Sponsors: AIAA
Accession Number
91N24548
Funding Number(s)
CONTRACT_GRANT: NAS3-25776
PROJECT: RTOP 506-48-00
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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