PHYSICAL PROPERTIES OF ORGANIC COOLANTS
Technical Report
·
OSTI ID:4712823
S>Density, viscosity, specific heat, vapor pressure, and calorific value were measured within the temperature range 100 to 400 deg C for mixtures of Santowax R with pyrolytic high boiler and with OMRE radiolytic high boiler; in addition, measurements were made on Santowax OM, X-7 standard, X-7 loop, and OMRE coolants. The accuracies of the measurements made were density ( plus or minus 1/ 4%), viscosity ( plus or minus 2%), specific heat ( plus or minus 2%), vapor pressure ( plus or minus 2%), and calorific value ( plus or minus 1/2%). Thermal conductivity was calculated from an improved form of the Smiths equation with an accuracy within plus or minus 6%. Equations fitted to the vapor pressure results were used to provide data outside the experimental range for burnout correlation purposes. The general effect of high boiler content on the specific heat and calorific values was small. The differences in physical property values for corresponding values of either pyrolytic or radiolytic high boiler were small for density (0.3%) and specific heat (2%), but quite large for viscosity (70%) with the pyrolytic high boiler mixture giving the higher value. The chemical analysis of all materials w,as based on gas chromatography and the relationship between this and an earlier distillation method established. (auth)
- Research Organization:
- United Kingdom Atomic energy Authority. Reactor Group. Atomic Energy Establishment, Winfrith, Dorset, England
- NSA Number:
- NSA-17-028918
- OSTI ID:
- 4712823
- Report Number(s):
- AEEW-R-256
- Country of Publication:
- United Kingdom
- Language:
- English
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