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Heat transfer during the boiling of liquid on microstructured surfaces. Part 2: Visualization of boiling and critical heat fluxes

Research paper by I. A. Popov, N. N. Zubkov, S. I. Kas’kov, A. V. Shchelchkov

Indexed on: 27 Mar '13Published on: 27 Mar '13Published in: Thermal Engineering



Abstract

Results from visualization of boiling process and experimental study of critical heat fluxes on microstructured surfaces are presented. The studied surfaces were obtained using the deforming cutting method and have different design shapes and sizes. Mechanisms of heat transfer enhancement are substantiated. A factor of 4.1 higher value of critical heat flux is obtained.