Rheological Properties of Polyolester Under an EHD Contact in Some Refrigerant Environments

[+] Author and Article Information
Masayoshi Muraki, Takashi Sano

Lubricants and Specialties Department, Lubricants Research Laboratory, Nippon Mitsubishi Oil Corporation, 8, Chidori-Cho, Naka-Ku, Yokohama, Kanagawa, 231-0815, Japan

Daming Dong

No. 1 Technical Department, Kyodo Yushi Co. LTD, 1-4-1, Tsujido Kandai, Fujisawa, Kanagawa, 251-8588, Japan

J. Tribol 123(1), 54-60 (Jun 30, 2000) (7 pages) doi:10.1115/1.1326443 History: Received November 18, 1999; Revised June 30, 2000
Copyright © 2001 by ASME
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Iizuka,  T., Ishiyama,  A., and Hata,  H., 1995 “Performance and Tribology of a Refrigerator Using Alternative Refrigerants,” Jour. Jast, 40, No. 9, 12, pp. 712–717.
Mizuhara,  K., Akei,  M., and Matsuzaki,  T., 1994, “The Friction and Wear Behavior in Controlled Alternative Refrigerant Atmosphere,” Tribol. Trans., 37, pp. 120–128.
Muraki, M., 1994, “Refrigeration Lubricants Based on Polyolester for Alternative Refrigerants,” Proc. International Sym. R22 & R502 Alter. Ref., Kobe, pp. 101–106.
Muraki,  M., Dong,  D., and Sano,  T., 1998, “Friction and Wear Characteristics of Polyolester Base Lubricants in Refrigerants Environment,” Jour. Jast., 43, pp. 43–49.
Muraki, M., Tagawa, K, and Dong, D., 1996, “Refrigeration Lubricant Based on Polyolester for Use with HFCs and Prospect of Its Application with R-22 (Part 1) Tribological Characterstics,” Proc. International Refr. Conf., Purdue, pp. 273–278.
Sunami, M., Takigawa, K, and Suda, S., 1994, “Optimization of POE Type Refrigeration Lubricants,” Proc. International Refr. Conf., Purdue, pp. 153–158.
Sundaresan,  S. G., and Finkensatad,  W. R., 1992, “Polyalkylene Glycol and Polyolester Lubricant Candidates for Use with HFC-134a in Refrigeration Compressors,” ASHRAE J., 92, pp. 796–803.
Wardle, F. P., Jacobsson, B., Dolfsma, H., Hoglund, E., and Jonsson, U., 1992, “The Effect of Refrigerants on the Lubrication of Rolling Element Bearings Used in Screw Compressors,” Proc. International Comp. Conf., Purdue, pp. 523–534.
Akei,  M., and Mizuhara,  K., 1997, “The Elastohydrodynamic Properties of Lubricants in Refrigerant Environments,” Tribol. Trans., 40, No. 1, pp. 1–10.
Tanaka,  S., Kyogoku,  K., and Nakahara,  T., 1996, “Lubrication Characteristics of Refrigerating/Air Conditioning Rotary Compressor-Mixed Lubrication Analysis on Vane Tip-,” Jour. Jast, 41, No. 3, pp. 247–254.
Muraki,  M., and Sano,  T., 2000, “Determination of Film Thickness and Traction of Polyol Ester Under an EHD Contact in Some Refrigerants,” STLE Tribol. Trans., 43, No. 1, 15–20.
Muraki,  M., and Dong,  D., 1999, “Deviation of Basic Rheological Parameters From Experimental EHL Traction Curves,” Proc. I MechE, 213, Part J, pp. 53–61.
Gunsel,  S., Korcek,  S., Smeeth,  M., and Spikes,  H. A., 1999, “The Elastohydrodynamic Friction and Film Forming Properties of Lubricant Base Oils,” STLE Tribol. Trans., 42, No. 3, pp. 559–569.
Muraki,  M., and Konishi,  S., 1992, “Shear Behavior and Viscoelasticity of Elastohydrodynamic Oil Film,” Japanese Jour. Tribology, 37, No. 2, pp. 126–133.
Muraki,  M., and Kamura,  Y., 1989, “Calculation of EHL Traction with Low-Viscosity Fluids by Using an Eyring Viscous Solution,” Proc. JSMech.E, 55, 520, pp. 3048–3055.
ASME Research Committee on Lubrication, 1953, Pressure Viscosity Report, ASME, NY.
Roelands, C., 1966, “Correlational Aspects of the Viscosity-Temperature-Pressure Relationship on Lubricating Oils,” University Microfilms, Ann Arbor, Michigan.
Yasutomi,  S., Bair,  S., and Winer,  W., 1984, “An Application of a Free Volume Model to Lubricant Rheology,” ASME J. Tribol., 106, No. 2, pp. 294–298.
Bair,  S., 2000, “Pressure-Viscosity Behavior of Lubricants to 1.4 GPa and Its Relation to EHD Traction,” STLE Tribol. Trans., 43, No, 1, pp. 91–99.
Moore,  A. J., 1997, “The Behaviour of Lubrications in Elastohydrodynamic Contacts,” Proc. I MechE, 211, Part J, pp. 91–106.
Johnson,  K. L., and Tevaarwerk,  J. L., 1977, “Shear Behavior of Elastohydrodynamic Oil Films,” Proc. R. Soc. London, Series A, 356, pp. 215–236.
Bair,  S., and Winer,  W. O., 1979, “A Rheological Model for Elastohydrodynamic Contact Based on Primary Laboratory Data,” ASME J. Lubr. Technol., 101, pp. 258–264.
Spencer,  R. S., 1950, “Flow of Linear Amorphous Polymers,” J. Polym. Sci., 5, pp. 593.
Forster,  N. H., Schrand,  J. B., and Gupta,  P. K., 1992, “Viscoelastic Effects in MIL-L-7808-Type Lubricant,” STLE Tribol. Trans., 35, No. 2, pp. 275–280.
Sottomayor,  A., Campos,  A., and Seabra,  J., 1997, “Traction Coefficient in a Roller-Inner Ring EHD Contact in a Jet Engine,” Wear, 209, pp. 274–283.
Bair,  S., and Winer,  W. O., 1993, “A New High-Pressure, High-Shear Stress Viscometer and Results for Lubricants,” STLE Tribol. Trans., 36, No. 4, p. 721.
Wong, P. L., Lingard, S., and Cameron, A., 1995, “High Pressure Viscosity and Shear Response of Oil Using the Rotating Optical Micro-Viscometer,” Proc. 5th Leeds-Lyon Symp Tribology, pp. 199–205.
Zhang,  Y., and Ramesh,  K. T., 1996, “The Behavior of an EHD Lubricant at Moderate Pressures and High Shear Rates,” ASME J. Tribol., 118, No. 4, pp. 162–168.
Evans,  C. R., and Johnson,  K. L., 1986, “Regimes of Traction in Elastohydrodynamic Lubrication,” Proc. Instn. Mech. Engrs. 200, C5, pp. 313–324.
Ohno, N., Kuwano, N., and Hirano, F., 1994, “Diagrams for Estimation of the Solidified Film Thickness at High Pressure EHD Contacts,” Proc. Leeds-Lyon Symp. Tribology, pp. 507–528.
Harrison, G., 1976, The Dynamic Properties of Superooled Liquids, Academic Press, San Diego, CA, p. 143.
Padhy, S. K., and Scheldorf, G. O., 1994, “Wear and Tribodynamics of a Rolling Piston Rotary Compressor,” Proc. International Comp. Conf., Purdue, pp. 79–84.
Jones,  W. R., , 1975, “Pressure-Viscosity Measurements for Several Lubricants to 5.5×108 Newtons Per Squrae Meter (8×104 PSI) and 149C(300F),” ASLE Trans., 18, No. 4, pp. 249–262.
Muraki,  M., and Kimura,  Y., 1990, “Influence of Temperature Rise on Shear Behavior of an EHL Oil Film,” Proc. JSMech.E, 56, No. 528, pp. 2226–2234.


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Main part of EHD tester
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Examples of traction curves
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Viscosity-pressure relation for polyol ester P131
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Dimensionless shear stress profiles in a Hertz contact
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Traction curves in some refrigeration environments. Solid lines are the calculated results by Eq. (10) and symbols are the measured data: (a) at gas pressure of 100 kPa; (b) at gas pressure of 300 kPa.
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Comparison between calculated results and measurements of traction.
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Effective viscosity-pressure coefficient αe versus gas pressure Pg
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Representative stress τO versus gas pressure Pg
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Effective viscosity-pressure coefficient αe versus refrigerant concentration
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Representative stress versus refrigerant concentration
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Viscous volume Vτ versus molecular volume Vm of refrigerant/POE mixture
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Ratio Vτ/Vm versus refrigerant concentration



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