NUMERICAL EXPERIMENT ON DIFFERENT VALIDATION CASES OF WATER COOLANT FLOW IN SUPERCRITICAL PRESSURE TEST SECTIONS ASSISTED BY DISCRIMINATED DIMENSIONAL ANALYSIS PART I: THE DIMENSIONAL ANALYSIS
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:
Numerical Modelling

Authors:
Attila Kiss (Budapest University of Technology and Economics)
Attila Aszódi (Budapest University of Technology and Economics)
  

Abstract

As recent studies prove in contrast to “classical” dimensional analysis, whose application is widely described in heat transfer textbooks despite its poor results, the less well known and used discriminated dimensional analysis approach can provide a deeper insight into the physical problems involved and much better results in all cases where it is applied. As a first step of this ongoing research discriminated dimensional analysis has been performed on supercritical pressure water pipe flow heated through the pipe solid wall to identify the independent dimensionless groups (which play an independent role in the above mentioned thermal hydraulic phenomena) in order to serve a theoretical base to comparison between well known supercritical pressure water pipe heat transfer experiments and results of their validated CFD simulations.

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