Extension of theoretically based DNB prediction to high void fraction, intermediate mass flow rate, and rod bundles
Thesis/Dissertation
·
OSTI ID:5500744
The present work extends a theoretically based DNB predictive procedure so that it is applicable at high void fractions and low velocities. This theoretically based DNB predictive procedure was originally developed for round tubes by Weisman and Pei and in its original range of applicability, is as accurate as most empirical correlations. Highly favorable comparisons of the present extension with experimental data were obtained. The present work also develops a procedure for applying this DNB prediction procedure to rod bundles. The results of this study show that application of this theoretically based DNB prediction procedure to rod bundles with and without mixing vane grids leads to good agreement with experimental observations.
- Research Organization:
- Cincinnati Univ., OH (USA)
- OSTI ID:
- 5500744
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200 -- Nuclear Reactor Technology-- Components & Accessories
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
BOILING
COOLING SYSTEMS
DEPARTURE NUCLEATE BOILING
ENERGY SYSTEMS
FLOW RATE
FUEL ASSEMBLIES
FUEL ELEMENT CLUSTERS
NUCLEATE BOILING
PHASE TRANSFORMATIONS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
ROD BUNDLES
VOID FRACTION
220200 -- Nuclear Reactor Technology-- Components & Accessories
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
BOILING
COOLING SYSTEMS
DEPARTURE NUCLEATE BOILING
ENERGY SYSTEMS
FLOW RATE
FUEL ASSEMBLIES
FUEL ELEMENT CLUSTERS
NUCLEATE BOILING
PHASE TRANSFORMATIONS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
ROD BUNDLES
VOID FRACTION