Liquid viscosities and densities of HFC-134a + glycol mixtures

Journal Article · Fri Jan 01 00:00:00 EST 1993 · International Journal of Thermophysics; (United States)

DOI:https://doi.org/10.1007/BF00522660· OSTI ID:6718772

Kumagai, A; Mochida, H; Takahashi, S ^[1]

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1. Tohoku Univ., Sendai (Japan)

Liquid viscosity and density of six binary mixtures of HFC-134a with glycols [ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol (400), and polypropylene glycol (2000)] have been measured in the temperature range from 273 to 333 K. The viscosity was measured by a rolling-ball viscometer calibrated with standard liquids of viscosities and densities (JS5, JS10, JS20, and JS50). The density was measured with a glass pycnometer. The uncertainties of the measurements were estimated to be less than 3.4% for viscosity and 0.04% for density, respectively. An equation is given to represent the obtained viscosity values as a function of weight fraction and temperature.

• OSTI ID: 6718772
• Journal Information: International Journal of Thermophysics; (United States), Vol. 14:1; ISSN 0195-928X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BINARY MIXTURES
PHYSICAL PROPERTIES
THERMODYNAMIC PROPERTIES
GLYCOLS
MIXING
HALOGENATED ALIPHATIC HYDROCARBONS
REFRIGERANTS
DENSITY
ETHYLENE
LIQUIDS
LUBRICATING OILS
POLYPROPYLENE
TEMPERATURE RANGE 0273-0400 K
VISCOSITY
ALCOHOLS
ALKENES
DISPERSIONS
FLUIDS
HYDROCARBONS
HYDROXY COMPOUNDS
LUBRICANTS
MIXTURES
OILS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC POLYMERS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
POLYMERS
POLYOLEFINS
TEMPERATURE RANGE
WORKING FLUIDS
360606* - Other Materials- Physical Properties- (1992-)