Mechanistic model of the inverted annular film boiling = 역환상류에 대한 역학적 모델

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An analytical model is developed to predict the heat transfer coefficient and the friction factor in the inverted annular film boiling. The developed model is based on two-fluid mass, momentum and energy balance equations and a theoretical velocity profile. The balance equations are solved numerically together with the constitutive equations for the heat transfer model. The predictions of the proposed model are compared with the experimental data and the well-established correlations. For the heat transfer coefficient, they agree with the experimental data and are more promising than those of Bromely and Berenson correlations. The present model also accounts the effects of the mass flux and subcooling on the heat transfer. The friction factor predictions agree qualitatively with the experimental measurements, while some cases show a similar behavior with those of the post-CHF dispersed flow obtained from Beattie``s correlation.
Advisors
Chang, Soon-Heungresearcher장순흥researcher
Description
한국과학기술원 : 핵공학과,
Publisher
한국과학기술원
Issue Date
1989
Identifier
67039/325007 / 000871197
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 핵공학과, 1989.2, [ [iv], 47 p. ]

URI
http://hdl.handle.net/10203/49210
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=67039&flag=dissertation
Appears in Collection
NE-Theses_Master(석사논문)
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