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Spray Impingement Cooling of Metal Surfaces: a Review on Progressing Mechanisms

机译:Spray Impingement Cooling of Metal Surfaces: a Review on Progressing Mechanisms

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Abstract In this paper, we present a review of the recent progresses in spray impingement heat transfer mechanisms and influences of various controlling parameters on spray impingement cooling performance. This paper focuses on the developments in spray cooling effectiveness achieved by modifying the flow processes and parameters. The open literature reveals that spray impingement cooling processes studies explore practical applications but not full understanding that can help to further improvement. There are many possibilities of improving the performance of spray cooling by alternating the fluid types, flow pattern and controlling parameters such as air/water pressure and to distance from nozzle to heated plate. Some of the earlier researchers have also tried pulsed spray impingement technique to enhance the heat transfer effectiveness during metal surface cooling. However, there remains a need for further examination and the present review discusses several such possibilities.

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