Prediction of boiling dryout heat flux for restricted annular crevice

M. C. Chyu

doi:10.1016/0017-9310(88)90109-3

Prediction of boiling dryout heat flux for restricted annular crevice

M. C. Chyu

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

The phenomenon of boiling crisis in a horizontal narrow annular geometry is analyzed by considering a buoyancy-driven two-phase flow in a vertical crevice. Conservation laws are formulated and solved analytically. A two-phase friction factor is determined using published experimental data. The effect of crevice axial length is also considered for a variety of working fluids. The predicting method based on the present work applies in wide ranges of annulus width and crevice length for a variety of fluids with a remarkable improvement in accuracy over the existing predicting methods.

Original language	English
Pages (from-to)	1993-1998
Number of pages	6
Journal	International Journal of Heat and Mass Transfer
Volume	31
Issue number	10
DOIs	https://doi.org/10.1016/0017-9310(88)90109-3
State	Published - Oct 1988

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abstract = "The phenomenon of boiling crisis in a horizontal narrow annular geometry is analyzed by considering a buoyancy-driven two-phase flow in a vertical crevice. Conservation laws are formulated and solved analytically. A two-phase friction factor is determined using published experimental data. The effect of crevice axial length is also considered for a variety of working fluids. The predicting method based on the present work applies in wide ranges of annulus width and crevice length for a variety of fluids with a remarkable improvement in accuracy over the existing predicting methods.",

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N2 - The phenomenon of boiling crisis in a horizontal narrow annular geometry is analyzed by considering a buoyancy-driven two-phase flow in a vertical crevice. Conservation laws are formulated and solved analytically. A two-phase friction factor is determined using published experimental data. The effect of crevice axial length is also considered for a variety of working fluids. The predicting method based on the present work applies in wide ranges of annulus width and crevice length for a variety of fluids with a remarkable improvement in accuracy over the existing predicting methods.

AB - The phenomenon of boiling crisis in a horizontal narrow annular geometry is analyzed by considering a buoyancy-driven two-phase flow in a vertical crevice. Conservation laws are formulated and solved analytically. A two-phase friction factor is determined using published experimental data. The effect of crevice axial length is also considered for a variety of working fluids. The predicting method based on the present work applies in wide ranges of annulus width and crevice length for a variety of fluids with a remarkable improvement in accuracy over the existing predicting methods.

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U2 - 10.1016/0017-9310(88)90109-3

DO - 10.1016/0017-9310(88)90109-3

M3 - Article

AN - SCOPUS:0142230710

SN - 0017-9310

VL - 31

SP - 1993

EP - 1998

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

IS - 10

ER -

Prediction of boiling dryout heat flux for restricted annular crevice

Abstract

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