Wall heat transfer coefficient for condensation and boiling in forced convection of sodium
Journal Article
·
· Nucl. Sci. Eng.; (United States)
OSTI ID:5958525
The wall heat transfer coefficient for sodium boiling and condensation in forced convective flow is theoretically derived by using the momentum-heat transfer analogy and the logarithmic law for velocity distribution in the liquid film. Only one constant in the logarithmic form is empirically determined. The results are insensitive to some of the approximations used, namely in the evaluation of E and of /tau/ /SUB i/ //tau/ /SUB w/. The results from the suggested correlation are in good agreement with the Zeigarnick and Litvinov data over the range of parameters that were specified in their experiments, while the Chen and NATOF correlations predict lower heat transfer coefficients. The suggested correlation predicts well the data in the high-heat transfer coefficient region. It can be argued that the data in the low heat transfer coefficient region are affected by unstable flow conditions and the uncertainties in the saturation-temperature measurements.
- Research Organization:
- Massachusetts Institute of Technology, Department of Nuclear Engineering, Cambridge, Massachusetts 02139
- OSTI ID:
- 5958525
- Journal Information:
- Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 81:3; ISSN NSENA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220100 -- Nuclear Reactor Technology-- Theory & Calculation
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
ALKALI METALS
BOILING
CALCULATION METHODS
CONVECTION
COOLING SYSTEMS
CORRELATIONS
DATA
DATA COVARIANCES
ELEMENTS
ENERGY SYSTEMS
ENERGY TRANSFER
EXPERIMENTAL DATA
FILM BOILING
FILM CONDENSATION
FLUID FLOW
FLUID-STRUCTURE INTERACTIONS
FORCED CONVECTION
FORECASTING
HEAT TRANSFER
INFORMATION
METALS
NUMERICAL DATA
PARAMETRIC ANALYSIS
PHASE TRANSFORMATIONS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
SATURATION
SODIUM
TEMPERATURE MEASUREMENT
THEORETICAL DATA
VAPOR CONDENSATION
VELOCITY
220100 -- Nuclear Reactor Technology-- Theory & Calculation
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
ALKALI METALS
BOILING
CALCULATION METHODS
CONVECTION
COOLING SYSTEMS
CORRELATIONS
DATA
DATA COVARIANCES
ELEMENTS
ENERGY SYSTEMS
ENERGY TRANSFER
EXPERIMENTAL DATA
FILM BOILING
FILM CONDENSATION
FLUID FLOW
FLUID-STRUCTURE INTERACTIONS
FORCED CONVECTION
FORECASTING
HEAT TRANSFER
INFORMATION
METALS
NUMERICAL DATA
PARAMETRIC ANALYSIS
PHASE TRANSFORMATIONS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
SATURATION
SODIUM
TEMPERATURE MEASUREMENT
THEORETICAL DATA
VAPOR CONDENSATION
VELOCITY