Local properties of countercurrent stratified steam-water flow
A study of steam condensation in countercurrent stratified flow of steam and subcooled water has been carried out in a rectangular channel/flat plate geometry over a wide range of inclination angles (4/sup 0/-87/sup 0/) at several aspect ratios. Variables were inlet water and steam flow rates, and inlet water temperature. Local condensation rates and pressure gradients were measured, and local condensation heat transfer coefficients and interfacial shear stress were calculated. Contact probe traverses of the surface waves were made, which allowed a statistical analysis of the wave properties. The local condensation Nusselt number was correlated in terms of local water and steam Reynolds or Froude numbers, as well as the liquid Prandtl number. A turbulence-centered model developed by Theofanous, et al. principally for gas absorption in several geometries, was modified. A correlation for the interfacial shear stress and the pressure gradient agreed with measured values. Mean water layer thicknesses were calculated. Interfacial wave parameters, such as the mean water layer thickness, liquid fraction probability distribution, wave amplitude and wave frequency, are analyzed.
- Research Organization:
- Northwestern Univ., Evanston, IL (USA). Dept. of Chemical Engineering
- OSTI ID:
- 6402013
- Report Number(s):
- NUREG/CR-4417; ON: TI86900246
- Country of Publication:
- United States
- Language:
- English
Similar Records
Local properties of countercurrent stratified steam-water flow
Local condensation rates in nearly horizontal stratified countercurrent flow of steam and cold water
Local heat transfer coefficients for condensation in stratified countercurrent steam-water flows
Thesis/Dissertation
·
Fri Dec 31 23:00:00 EST 1982
·
OSTI ID:6692579
Local condensation rates in nearly horizontal stratified countercurrent flow of steam and cold water
Journal Article
·
Fri Dec 31 23:00:00 EST 1982
· AIChE Symp. Ser.; (United States)
·
OSTI ID:5384870
Local heat transfer coefficients for condensation in stratified countercurrent steam-water flows
Journal Article
·
Mon Oct 31 23:00:00 EST 1983
· J. Heat Transfer; (United States)
·
OSTI ID:6736785
Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
ACCIDENTS
CORRELATIONS
COUNTER CURRENT
DIMENSIONS
ECCS
ENERGY TRANSFER
ENGINEERED SAFETY SYSTEMS
FLUID FLOW
HEAT TRANSFER
HYDROGEN COMPOUNDS
INTERFACES
LAYERS
LOSS OF COOLANT
NUSSELT NUMBER
OXYGEN COMPOUNDS
PWR TYPE REACTORS
REACTOR ACCIDENTS
REACTOR PROTECTION SYSTEMS
REACTORS
STEAM
STRATIFICATION
THICKNESS
TURBULENCE
TWO-PHASE FLOW
VAPOR CONDENSATION
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
ACCIDENTS
CORRELATIONS
COUNTER CURRENT
DIMENSIONS
ECCS
ENERGY TRANSFER
ENGINEERED SAFETY SYSTEMS
FLUID FLOW
HEAT TRANSFER
HYDROGEN COMPOUNDS
INTERFACES
LAYERS
LOSS OF COOLANT
NUSSELT NUMBER
OXYGEN COMPOUNDS
PWR TYPE REACTORS
REACTOR ACCIDENTS
REACTOR PROTECTION SYSTEMS
REACTORS
STEAM
STRATIFICATION
THICKNESS
TURBULENCE
TWO-PHASE FLOW
VAPOR CONDENSATION
WATER
WATER COOLED REACTORS
WATER MODERATED REACTORS