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|Type:||Artigo de evento|
|Title:||Numerical Prediction Of Ice Crystal Growth Due To Film Flowing Down A Vertical Cooled Plate|
|Abstract:||A finite volume numerical code has been developed to numerically represent the rate of ice crystal growth in a laminar falling film flowing down a cooled vertical plate. The governing energy equation contains the phase energy as the source term. Enhancement of heat transfer due to suspended ice crystals is accounted for in the use of effective values of thermal conductivity, viscosity, thermal difiusivity, and specific heat as function of volumetric concentration of ice crystals in the falling film. Nusselt number, overall heat transfer coefficient between the fluid and cooled plate, and ice crystal growth rate were calculated for different film thickness with and without axial diffusion. Nusselt number and ice crystal growth rates were found to be dependent on film thickness. Axial diffusion effects were found to be negligible for larger film thickness (large flow rate).|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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