Study of critical heat flux during natural convective boiling in vertical tubes and vertical annular tubes submerged in saturated liquids

被引:8
作者
Liu, ZH [1 ]
Chen, YM [1 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Power & Energy Engn, Shanghai 200030, Peoples R China
关键词
boiling; critical heat flux; heat transfer; natural convective boiling in-tube;
D O I
10.1299/jsmeb.42.731
中图分类号
O414.1 [热力学];
学科分类号
摘要
An experimental and theoretical study was carried out for the critical heat Aux (CHF) during natural convective boiling in uniformly heated vertical tubes and vertical annular tubes submerged in saturated liquids, By adopting a simple mixing in-tube flow model, a generalized approximate formula was derived which agrees well with the CHF data of the tubes, annular tubes and rectangular channels submerged in water or other liquids under various pressure conditions; The common faults of various experimental correlations were also discussed theoretically.
引用
收藏
页码:731 / 736
页数:6
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