KINETIC STUDIES OF HETEROGENEOUS WATER REACTORS. Quarterly Progress Report for Period Ending September 30, 1962. Report No. 21
Two experiments were designed and built, in preparation for the measurement of transient steam void formation and extreme pressure pulses during severe power excursions under reactor-like conditions. The preparations for an inpile capsule experiment to be carried out using the KEWB reactor as a source of pulsed neutrons are described. The water-filled capsule, exposed to neutron flux, will contain a uranium-bearing plate. Transient heating of the plate will produce a surface temperature transient which is characteristic of a severe power excursion in a heterogeneous water reactor. Measurements of steam formation rates will be applicable to the destructive transients presently underway in the SPERT-I reactor. The second experiment is an out-of-pile apparatus in which an attempt will be made to create severe pressure transients by causing the temperature of a surface to rise rapidly through the thermodynamic critical point of water. Studies related to boiling-water reactor stability were continued. Transfer function and steam void fraction distribution measurements were made. An analysis indicated that a multi-channel natural circulation boiling system may have two modes of hydrodynamic instability. (M.C.G.)
- Research Organization:
- Space Technology Labs., Inc. Physical Electronics Lab., Canoga Park, Calif.
- NSA Number:
- NSA-17-021259
- OSTI ID:
- 4719263
- Report Number(s):
- TID-17005
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
BOILING
EVAPORATION
EXCURSIONS
FLUID FLOW
HEATING
HIGH TEMPERATURE
IRRADIATION
KEWB
MEASURED VALUES
NEUTRON FLUX
NEUTRON SOURCES
PLATES
PRESSURE
PULSES
REACTOR TECHNOLOGY
REACTORS
RESEARCH REACTORS
SHELLS
SHOCK WAVES
STABILITY
STEAM
SURFACES
TEMPERATURE
TRANSFER FUNCTIONS
TRANSIENTS
URANIUM
WATER
WATER MODERATOR
ZONES