LOOK-UP TABLE ESTABLISHMENT OF SUPERCRITICAL WATER HEAT TRANSFER IN VERTICAL UPWARD FLOW AND TUBE-SIZE EFFECT INVESTIGATION
The 5th International Symposium on SuperCritical Water-cooled Reactors - 2011 March 13-16


Presented at:
The 5th International Symposium on SuperCritical Water-cooled Reactors
2011 March 13-16
Location:
Vancouver,Canada
Session Title:
Thermalhydraulics Prediction Methods

Authors:
Xin Liu (Shanghai Jiaotong University)
Bo Kuang (Shanghai Jiaotong University)
C. Ni (Shanghai Jiaotong University)
Xu Cheng (Shanghai Jiaotong University)
  

Abstract

The paper describes the derivation of a supercritical water heat transfer look-up table, which may be used for predicting the heat transfer behavior (wall temperature) for supercritical water upward flow in vertical tubes. With an exhaustive open-literature-reported test data collection of vertically upward-flowing water heat transfer under supercritical pressures in vertical tubes, related evaluation on supercritical water heat transfer characteristics is performed. With reasonable data screening and processing, a comparatively small look-up table of supercritical water heat transfer in vertical tubes is constructed by applying the techniques which has ever been used in CHF look-up table development. Further, assessment of the look-up table and several correlations are carried out and delivered. Meanwhile, based on the established look-up table, tube size effect on supercritical water heat transfer in vertically upward flow is preliminarily correlated and investigated. With the increase of test data in various other practical engineered regimes, the look-up table is expected to be further extended.

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