AIRCRAFT NUCLEAR PROPULSION PROJECT QUARTERLY PROGRESS REPORT FOR PERIOD ENDING DECEMBER 10, 1952
ABS>The most significant ARE modification was the completion of the off- gas system design. Progress is repeated on valves, pumps, instrumentation, and other compcnents of the fluoride-fuel and reflector-coolant circuits. A rotameter-type flowmeter and the modified Moore Nullmatic pressure transmitter were tested. The heattransfer coefficient of a sodium-to-air radiator was increased by 20%. General design studies include a performance sthdy on a Sapphire turbojet engine. Reactor physics studies include those of oscillations in a circulating fuel reactor, a technique for reactor calculations, and the temperature-dependence of a cross section exhibiting a resonance. Measurements in several criticalily tests are reponted. The research on fused-fluoride systems led to selection of the fuel and charging technique for ARE. Continued study of the corrosion characteristics of ZrF/sub 4/ bearing mixtures, hydroxides, and liquid metals is reported. Metallurgy and ceramics research includes work on development of spherical solid fuel elements, creep rupture tests of structural metal; welding and brazing techniques; and cermets and cersmic coatings. Heat transfer and physical properties of several fluoride mixtures were studied. Hadiation damage studies include irradiation of fluoride fuel samples, in-pile sodium-loop measurements, and in-pile creep measurements. Chemical, spectrographic, and petrographic identification of various impurities, corrosion products, and reduction products are reported. (For preceding period see ORNL-1375.) (J.R.D.)
- Research Organization:
- Oak Ridge National Lab., Tenn. Page(s): 156
- DOE Contract Number:
- W-7405-ENG-26
- NSA Number:
- NSA-14-018645
- OSTI ID:
- 4153111
- Report Number(s):
- ORNL-1439(Del.)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ARE
BRAZING
CANNING
CERAMICS
CERMETS
COATING
CONFIGURATION
COOLANT LOOPS
CORROSION
CREEP
CRITICALITY
CROSS SECTIONS
EQUATIONS
FLUID FLOW
FLUORIDES
FUEL ELEMENTS
FUELS
FUSED SALT FUEL
GAS FLOW
HEAT TRANSFER
HYDROXIDES
IMPURITIES
IN PILE LOOPS
INSTRUMENTS
IRRADIATION
JETS
LIQUID FLOW
LIQUID METALS
MEASURED VALUES
MECHANICAL PROPERTIES
METALLURGY
OSCILLATIONS
PERFORMANCE
PRESSURE
PROPULSION
PUMPS
QUALITATIVE ANALYSIS
RADIATION EFFECTS
REACTIVITY
REACTOR FUELING
REACTOR TECHNOLOGY
REACTORS
REFLECTORS
RESONANCE NEUTRONS
SODIUM
SPECTROSCOPY
SPHERES
TEMPERATURE
TURBINES
VALVES
VARIATIONS
WELDING
ZIRCONIUM FL