Experimental study of inverted-annular-flow hydrodynamics utilizing an adiabatic simulation. [PWR; BWR]
Technical Report
·
OSTI ID:5935883
In experiments, inverted annular flow was simulated adiabatically with turbulent water jets, issuing downward from long aspect nozzles, enclosed in gas annuli. Velocities, diameters, and gas species were varied, and core jet length, shape, break-up mode, and dispersed-core droplet sizes were recorded at approximately 750 data points. Inverted annular flow was observed to develop into inverted slug flow at low relative velocities, and into dispersed droplet flow at high relative velocities. For both of the above transitions from inverted annular flow, correlations for core jet length were developed by extending work done on free liquid jets to include this new, coaxial, jet disintegration phenomenon. Jet break-up length is correlated as a function of jet diameter, jet Reynolds number, jet Weber number, void fraction, and gas Weber number. Correlations for core shape, break-up mechanisms and dispersed core droplet size for the case of transition to inverted slug flow were developed.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5935883
- Report Number(s):
- NUREG/CR-3339; ANL-83-44; ON: DE83014369
- Country of Publication:
- United States
- Language:
- English
Similar Records
Hydrodynamic stability of inverted annular flow in an adiabatic simulation. [PWR; BWR]
Hydrodynamic stability of inverted annular flow in an adiabatic simulation
Hydrodynamic stability of inverted annular flow in an adiabatic simulation
Conference
·
Fri Dec 31 23:00:00 EST 1982
·
OSTI ID:6068163
Hydrodynamic stability of inverted annular flow in an adiabatic simulation
Journal Article
·
Sat Dec 31 23:00:00 EST 1983
· HTD (Publ.) (Am. Soc. Mech. Eng.); (United States)
·
OSTI ID:6359990
Hydrodynamic stability of inverted annular flow in an adiabatic simulation
Conference
·
Fri Jul 01 00:00:00 EDT 1983
· HTD (Publ.) (Am. Soc. Mech. Eng.); (United States)
·
OSTI ID:5236716
Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100 -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
BWR TYPE REACTORS
ENERGY TRANSFER
FLUID MECHANICS
HEAT TRANSFER
HYDRAULICS
HYDRODYNAMICS
MECHANICS
PWR TYPE REACTORS
REACTOR ACCIDENTS
REACTOR SAFETY
REACTORS
SAFETY
TEST FACILITIES
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100 -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ACCIDENTS
BWR TYPE REACTORS
ENERGY TRANSFER
FLUID MECHANICS
HEAT TRANSFER
HYDRAULICS
HYDRODYNAMICS
MECHANICS
PWR TYPE REACTORS
REACTOR ACCIDENTS
REACTOR SAFETY
REACTORS
SAFETY
TEST FACILITIES
WATER COOLED REACTORS
WATER MODERATED REACTORS