Post-Dryout Heat Transfer

Abstract

REVIEW OF POST-DRYOUT HEAT TRANSFER IN DISPERSED TWO-PHASE FLOW (J.C. Chen and G. Costigan). Early Experiments. Simple Equilibrium Correlations. Inferred Nonequilibrium. Recent Nonequilibrium Experiments. Generalized Concept for Heat Transfer Models. Nonequilibrium Models. References. QUENCHING PHENOMENA (R.A. Nelson and K.O. Pasamehmetoglu). Limiting Processes for Quenching. Conservation Equations. Coupled Conduction-Hydraulic Models-The Transient Convection Problem. The Quasi-Steady-State Analysis Approach to the Transient Convection Problem. Transient Conduction and Quasi-Steady-State Quenching Models. Steady-State Convective Heat Transfer. Nomenclature. POST-CHF EFFECTS OF SPACER GRIDS AND BLOCKAGES IN ROD BUNDLES (L.E. Hochreiter, M.J. Loftus, F.J. Erbacher, P. Ihle, and K. Rust). Spacer Grid Post-CHF Heat Transfer. Post-CHF Heat Transfer Effects of Flow Blockage. Conclusions and Recommendations. FLOW PHENOMENA IN POST-DRYOUT HEAT TRANSFER (M. Ishii). Review of Experimental Work on Hydrodynamics of Post-CHF Region. Flow Regime in Post CHF Region. Inverted Flow Hydrodynamics. Nomenclature. A REVIEW OF INVERTED ANNULAR AND LOW QUALITY FILM BOILING (D.C. Groeneveld). Heat Transfer Mechanisms. Experimental Data. Prediction Methods. Summary of Recent Studies. Nomenclature. AN EXPERIMENTAL STUDY OF POST-CHF TRANSFER IN A 3x3 ROD BUNDLE (K. Tuzla, C. Unal, and J.C. Chen). The Experimental Facility. Experimental Procedures. Data Reduction. Range of Data. Results and Discussion. Nomenclature.