Pool boiling heat transfer on small heaters: effect of gravity and subcooling

Autor:	John F Benton, Derek Wisniewski, Jungho Kim
Rok vydání:	2002
Předmět:	Fluid Flow and Transfer Processes geography Materials science geography.geographical_feature_category Mechanical Engineering Bubble Thermodynamics Boiling heat transfer Mechanics Condensed Matter Physics Sink (geography) Superheating Subcooling Boiling Nucleate boiling Microscale chemistry
Zdroj:	International Journal of Heat and Mass Transfer. 45:3919-3932
ISSN:	0017-9310
DOI:	10.1016/s0017-9310(02)00108-4
Popis:	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 high-speed 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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::8ce839616a16ae170a4c3e2dd668dce8 https://doi.org/10.1016/s0017-9310(02)00108-4 Zobrazit plný text záznamu Full Text from ScienceDirect