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Experimental Investigation of Developing Spray Boiling on a Flat Flake Surface with Constant Heat Flux

  • University of South-Eastern Norway

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Experimental study on the heat transfer of water spray droplets impinging the surface of a stainless flat flake positioned in both horizontal and vertical direction has been carried under different spray flow rates and distances between nozzle outlet and the surface. A linear relationship between heat transfer coefficient and heat flux is found in the nonboiling region. The total heat flux is dominated sequentially by the single phase impinging convection and the fully developed boiling with increasing heat flux imposed. The wall temperature of the impinged-on surface rises very slowly with the increasing heat flux when it reaches around 110°C indicating a greatly enhanced boiling heat transfer coefficient. A new data reduction method is proposed since conventionally calculated heat transfer coefficient is found not physically interpretable in transition to fully developed boiling.

源语言英语
主期刊名Progress in Systems Engineering - Proceedings of the 23rd International Conference on Systems Engineering
出版商Springer Verlag
107-112
页数6
ISBN(印刷版)9783319084213
DOI
出版状态已出版 - 2015
已对外发布
活动23rd International Conference on Systems Engineering, ICSEng 2014 - Las Vegas, NV, 美国
期限: 19 8月 201421 8月 2014

出版系列

姓名Advances in Intelligent Systems and Computing
1089
ISSN(印刷版)2194-5357

会议

会议23rd International Conference on Systems Engineering, ICSEng 2014
国家/地区美国
Las Vegas, NV
时期19/08/1421/08/14

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