film condensation

film condensation

[′film ‚kän·dən‚sā·shən]
(thermodynamics)
The formation of a continuous film of liquid on a wall in contact with a vapor, when the wall is cooled below the local vapor saturation temperature and the liquid wets the cold surface.
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References in periodicals archive ?
Film condensation or evaporation of water in a horizontal rectangular duct was analyzed.
The film condensation process on a cooled surface resulting from the condensation of water vapor from humid air is considered for a horizontal flat plate (area 25 [cm.
Effect of pressure gradient in forced convection film condensation on a horizontal tube International Journal of Heat and Mass Transfer 27:39-47 (1984).
Theoretical study of laminar film condensation of flowing vapour International Journal of Heat and Mass Transfer 9: 581-591 (1966).
Over three decades ago, the author had presented a general correlation for heat transfer during film condensation inside plain tubes (Shah 1979).
Equation 2 is the Nusselt equation for laminar film condensation in vertical tubes; the constant has been increased by 20% as recommended by McAdams (1954) on the basis of comparison with test data.
Film condensation of vapour flowing inside a vertical tube and between parallel plates was studied in [4].
Study [5] develops a numerical model of laminar film condensation from a downward-flowing steam-air mixture onto a horizontal circular tube.
The purpose of study [6] was to find a convenient and practical procedure for calculating heat transfer of laminar film condensation on a vertical fluted tube.
Three decades ago, the author presented a general correlation for heat transfer during film condensation inside plain tubes (Shah 1979).
Equation 9 is the Nusselt equation for laminar film condensation in vertical tubes; the constant has been increased by 20% as recommended by McAdams (1954) on the basis of comparison with test data.
when the temperature differences were not large, film condensation proved to be the dominant characteristic when determining heat transfer correlations.