A THEORETICAL AND EXPERIMENTAL-STUDY ON SUBCOOLED FLOW BOILING AT HIGH HEAT-FLUX

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Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/27090

Title:	A THEORETICAL AND EXPERIMENTAL-STUDY ON SUBCOOLED FLOW BOILING AT HIGH HEAT-FLUX
Authors:	LIN,KW;LEE,CH;HOURNG,LW;HSU,JC
Contributors:	機械工程研究所
Keywords:	GENERAL CORRELATION;ROUND TUBES;POOL;MACROLAYER;PREDICTION;MODEL;EVAPORATION;ANNULI
Date:	1994
Issue Date:	2010-06-29 18:07:29 (UTC+8)
Publisher:	中央大學
Abstract:	In a subcooled flow boiling system at high heat flux, the major heat transfer mechanism places emphasis on a very thin liquid layer, known as the 'sublayer' which is trapped between the heated surface and the vapor blankets. Base on the convective boiling heat transfer dominated by the heat conduction through the liquid sublayer, a theoretical model for subcooled flow boiling heat transfer has been developed. To provide useful data in the simulation of Light Water Reactors (LWRs) conditions, heat transfer experiments for up-flow boiling water through a vertical tube at the pressure ranging from 6.9 to 15.5 MPa have been conducted. The experimental results are compared with the predictions of the present model and other five famous correlations. For the LWRs subcooled flow boiling, the comparison reveals that the present model show the best agreement with the measured data.
Relation:	WARME UND STOFFUBERTRAGUNG-THERMO AND FLUID DYNAMICS
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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