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Transition to Film Boiling in Microgravity: Influence of Subcooling
Zhao JF(赵建福); Li J(李晶); Yan N(闫娜); Wang SF(王双峰); Zhao JF
Source PublicationChinese Physics Letters
AbstractThe transition process to film pool boiling in microgravity is studied experimentally aboard the Chinese recoverable satellite SJ-8. A quasi-steady heating method is adopted, in which the heating voltage is controlled to increase exponentially with time. Small, primary bubbles are formed and slid on the surface, which coalesce with each other to form a large coalesced bubble. Two ways are observed for the transition from nucleate to film boiling at different subcoolings. At high subcooling, the coalesced bubble with a smooth surface grows slowly. It is then difficult for the coalesced bubble to cover the whole heater surface, resulting in a special region of transition boiling in which nucleate boiling and local dry areas can coexist. In contrast, strong oscillation of the coalesced bubble surface at low subcooling may cause rewetting of local dry areas and activation of more nucleate sites, resulting in an abrupt transition to film boiling.
Indexed BySCI
WOS IDWOS:000279994700055
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [10972225]
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhao JF
Recommended Citation
GB/T 7714
Zhao JF,Li J,Yan N,et al. Transition to Film Boiling in Microgravity: Influence of Subcooling[J]. Chinese Physics Letters,2010,27(7):76401.
APA 赵建福,李晶,闫娜,王双峰,&Zhao JF.(2010).Transition to Film Boiling in Microgravity: Influence of Subcooling.Chinese Physics Letters,27(7),76401.
MLA 赵建福,et al."Transition to Film Boiling in Microgravity: Influence of Subcooling".Chinese Physics Letters 27.7(2010):76401.
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