THERMO-PHYSICAL PROPERTIES OF IRRADIATED POLYPHENYL COOLANTS
Density, viscosity, and melting point were determined for five organic materials considered for use as organic reactor coolants. The properties were determined for irradiated coolants at 300 to 800 deg F and as a function of high boiler or polymer concentration in the range of 0 to 40 wt.%. Polyphenyl coolant mixtures studied include mixtures of 2/3 ortho- and 1/3 meta-terphenyl, mixtures of ortho-, meta-, and para-terphenyl known as Santowax-R, diphenyl, monoisopropyldiphenyl, and polyphenyl mixtures used as the coolant in the Organic Moderated Reactor Experiment (OMRE) mainly consisting of ortho- and meta- terphenyl with smaller quantities of diphenyl and para-terphenyl. All except the last coolant mixtures listed were irradiated in a circulating in-pile loop. The changes in the properties of these coolants are compared with the results of the OMRE (reactor) irradiation. (auth)
- Research Organization:
- Atomics International. Div. of North American Aviation, Inc., Canoga Park, Calif.
- DOE Contract Number:
- AT(11-1)-GEN-8
- NSA Number:
- NSA-15-010964
- OSTI ID:
- 4093075
- Report Number(s):
- NAA-SR-4484
- Country of Publication:
- United States
- Language:
- English
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