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Critical heat flux of subcooled flow boiling with water for high heat flux a

机译：过冷的水沸腾的临界热通量

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Abstract: Subcooled flow boiling in water is thought to be advantageous in removing high heat load of more than 10 MW/m$+2$/. Characteristics of the critical heat flux (CHF), which determines the upper limit of heat removal, are very important for the design of cooling systems. In this paper, studies on subcooled flow boiling CHF, which have been conducted by the authors, are reported. Experiments were conducted using direct current heating of stainless steel tube. For uniform heating conditions, CHF increment in small diameter tubes (1 - 3 mm inside diameter) and the CHF characteristics in tubes with internal twisted tapes were investigated, and also the existing CHF correlations for ordinary tubes (more than 3 mm inside diameter) were evaluated. For peripherally non-uniform heating conditions using the tube, whose wall thickness was partly reduced, the CHF for swirl flow was higher than the CHF under uniform heating conditions with an increase of the non-uniformity factor. !45
机译：摘要：在水中过冷沸腾被认为有利于消除超过10 MW / m $ + 2 $ /的高热负荷。决定散热量上限的临界热通量（CHF）的特性对于冷却系统的设计非常重要。本文报道了作者进行过过冷沸腾CHF的研究。使用直流电加热不锈钢管进行实验。对于均匀的加热条件，研究了小直径管（内径1-3 mm）中的CHF增量和带有内部扭曲带的管中的CHF特性，并且还研究了普通管（内径大于3 mm）的现有CHF相关性。评估。对于使用壁厚被部分减小的管的周边非均匀加热条件，涡流的CHF高于均匀加热条件下的CHF，并且不均匀因子增加。 ！45

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