Pool boiling heat transfer on small heaters: effect of gravity and subcooling
Pool boiling heat transfer on small heaters: effect of gravity and subcooling
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DOI：
10.1016/s0017-9310(02)00108-4
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发表时间：
2002-09-01
影响因子：
5.2
通讯作者：
Wisniewski, D
中科院分区：
文献类型：
--
作者：
Kim, J;Benton, JF;Wisniewski, D
利用微型加热器阵列测量了低重力、地球和高重力环境下FC-72的空间和时间分辨过冷池沸腾。阵列中每个加热器的数据与高速数字视频同步。沸腾行为主要是在表面形成一个大的初级气泡，它对周围的许多小气泡起“水槽”的作用，加热器在初级气泡下发生干燥。对于给定的过热度，观察到初级气泡的大小随着体流体温度的升高而增大。给出了不同过冷度和重力水平下的沸腾曲线。(C) 2002年Elsevier Science Ltd.出版
Measurements of space and time resolved subcooled pool boiling of FC-72 in low, earth, and high gravity environments were made using a microscale heater array. Data from each heater in the array were synchronized with highspeed digital video. The boiling behavior was dominated by the formation of a large primary bubble on the surface which acted as a "sink" for many smaller bubbles surrounding it, Dryout of the heater occurred under the primary bubble. For a given superheat, this primary bubble was observed to increase in size with bulk fluid temperature. Boiling curves at various subcoolings and gravity levels are presented. (C) 2002 Published by Elsevier Science Ltd.