METHOD FOR DETERMINATION OF LIQUID DENSITY AND VISCOSITY OF ORGANIC COOLANTS OVER THE TEMPERATURE RANGE (M.P. TO 850 F) Page: 4 of 15
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WRITTEN BY A.TDR N0.
ERIN G. Asanovich ATOMICS INTERNATIONAL 3863
Organic Reactors A Division of North American Aviation, Inc.
UNIT Physical and TECHNICAL DATA RECORD LEDGER ACCT.
APPROVED BYORA SUB-ACCT. 46
- ______ ________TWR ____
Physical Properties of Hydrocarbons PAGE
1 OF -12
T0: R.H.J. Gercke
COPIES TO: OMRE-Advanced OMR Distribution
Piqua OMR Distribution
G. Asanovich R.T. Keen F.C. Silvey
R. Balent W.R. Martini C.A. Trilling
K.H. Campbell W.E. Parkins Group 796-61 (15)
R.J. Edwards M. Silberberg
SUBJECT: Method for Determination of Liquid Density and Viscosity of Organic
Coolants over the Temperature Range (M.P. to 850*F)
1 STATEMENT OF PROBLEM . . . . . . . . . . . . . . . . . . . PAGE 1
II SUMMARY OF RESULTS.AND RECOMMENDATIONS ....... . . . . . . . PAGE 1
III METHOD USED, DESCRIPTION OF EQUIPMENT, SAMPLE CALCULATIONS * PAGE 2 - 9
IV REFERENCES AND APPENDICES . . . ... . . . . . . . . . . . PAGE 9 - 12
I STATEMENT OF PROBLEM
To measure the liquid density and viscosity of organic coolants over
the temperature range 300 to 850*F.
A knowledge of the density and viscosity of organic coolants as a
function of temperature and extent of decomposition is important to
reactor operation. Techniques were developed to measure these properties
over the temperature range 300 to 850*F.
Density is determined as a function of temperature bye measuring'
the volume occupied by a known weight of sample in a modified Lipkin
pycnometer. The pycnometer is pressurized with an'inert gas to prevent
boiling and maintained at thermal equilibrium in a hot air furnace.
Estimated accuracy of measurements is 0.3 per cent.
Viscosity is determined as a function of temperature Iby measuring
efflux times in a (Cannon-Manning) modification of the Ostwald semi-
micro viscosimeter. The Ostwald pipet is.pressuried with an inert gas
to prevent boiling. Estimated relative accuracy of'rreasurements is
3 per cent.
S C3 0
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Asanovich, G. METHOD FOR DETERMINATION OF LIQUID DENSITY AND VISCOSITY OF ORGANIC COOLANTS OVER THE TEMPERATURE RANGE (M.P. TO 850 F), report, May 14, 1959; Canoga Park, California. (digital.library.unt.edu/ark:/67531/metadc1026366/m1/4/: accessed January 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.