Prediction of incipient flow boiling from a uniformly heated surface
Conference
·
· AIChE Symp. Ser.; (United States)
OSTI ID:6427689
This study was undertaken to investigate the phenomenon of liquid superheat during incipient boiling in a uniformly heated forced convection channel. Experimental data were obtained using Freon 11 as the test medium. Based on existing theories, an analytical method was developed for predicting the point of termination of nucleate boiling, observed during a decreasing heat flux process with a nucleation activated surface. The method may also be used to predict the point of boiling incipience, observed during an increasing heat flux process with a non-activated surface; this point does not appear to have been treated analytically in previous work. It can be shown that some of the existing models are special cases of the present formulation.
- Research Organization:
- Westinghouse Canada Ltd., Hamilton, Ontario
- OSTI ID:
- 6427689
- Report Number(s):
- CONF-760816-
- Conference Information:
- Journal Name: AIChE Symp. Ser.; (United States) Journal Volume: 73:164
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
BOILING
CONVECTION
ENERGY TRANSFER
FORCED CONVECTION
FREONS
HALOGENATED ALIPHATIC HYDROCARBONS
HEAT FLUX
HEAT TRANSFER
HEATING
MATHEMATICAL MODELS
MEASURING METHODS
NUCLEATE BOILING
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PHASE TRANSFORMATIONS
REFRIGERANTS
SUPERHEATING
420400* -- Engineering-- Heat Transfer & Fluid Flow
BOILING
CONVECTION
ENERGY TRANSFER
FORCED CONVECTION
FREONS
HALOGENATED ALIPHATIC HYDROCARBONS
HEAT FLUX
HEAT TRANSFER
HEATING
MATHEMATICAL MODELS
MEASURING METHODS
NUCLEATE BOILING
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PHASE TRANSFORMATIONS
REFRIGERANTS
SUPERHEATING