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ホーム アーカイブ Thermal Letter 役員 今後の会合 国際伝熱会議の集会

ISBN : 0-89116-130-9

International Heat Transfer Conference 6
1978, 7-11 August, Toronto, Canada

RELATIONSHIP BETWEEN WALL SHEAR STRESS AND THE HEAT TRANSFER CRISIS PHENOMENON WITH VAPOUR/LIQUID FLOWS

Get access DOI: 10.1615/IHTC6.790
pages 405-410

要約

Critical heat flux characteristics for vapour/ liquid flows are examined in terms of the relation between the heat transfer crisis and wall shear stresses. A comparison of dryout data with corresponding pressure drop data shows that critical heat flux is related to the relevant pre-dryout and post-dryout friction regimes. From a consideration of experimental data for relatively low heat fluxes, a pseudo-dryout condition is identified corresponding to a 'slow burnout' condition. Observed differences, in critical heat flux characteristics for flows in tube and complex channel geometries are shown to be related to differences in shear stress characteristics.
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