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- Title
Pasvirusio plokščio paviršiaus aušinimas dvifazių putų srautu.
- Authors
Gylys, Martynas
- Abstract
The results of the experimental and analytical investigation of the heat transfer between the inclined flat surface and the statically stable foam flow are presented. On the inclined surface a film of the drained liquid is formed, which parameters - film thickness, liquid velocity, flow rate and temperature - influence the intensity of cooling. Drained liquid film parameters depend on the foam flow rate, void fraction and temperature. The analytical equations were proposed for the calculation of the liquid film thickness, flow rate, mean flow velocity and temperature. It was stated that the intensity of cooling rises with increase of the foam flow velocity, reaches its maximum value and goes down. Comparison of the analytical and experimental results showed a good agreement.
- Subjects
SURFACE cooling; HEAT transfer; SURFACE preparation; ENERGY transfer; THERMODYNAMICS of heat exchangers; FLOW velocity; TEMPERATURE
- Publication
Energetika, 2012, Vol 58, Issue 4, p219
- ISSN
0235-7208
- Publication type
Article