determination of the thermodynamic properties of refrigerant-oil

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Purdue University

Purdue e-Pubs

International Compressor Engineering Conference School of Mechanical Engineering

1982

Determination of the ermodynamic Propertiesof Refrigerant-Oil Mixtures

D. W. Hughes

J. T. McMullan

R. Morgan

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Hughes, D. W.; McMullan, J. T.; and Morgan, R., "Determination of the ermodynamic Properties of Refrigerant-Oil Mixtures"(1982).International Compressor Engineering Conference. Paper 397.hp://docs.lib.purdue.edu/icec/397
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8. Hugh es , D. U., 1 d1ull an, J . T. ,flawhinney, K. A. and H org an, R. (1 980)Lubric ant related pro b lem s with hea tpuops, Proceedings of 1980 PurdueCom pre ss or Conference, PurdueUniversity , pp . 156 -1 63.g. Hughes, D \ l. Jl1d1ullan, J T. and

e a n R. 198 2) 'The in flu ence oflubricating oil on he at pumpper fo rman ce . Proc. H eat Pump System sConference, Com nis si on of the European. u n i Brusse ls , April 28 th, 1982.

10. Kartsounes, G. T. an d Erth, R. A. (1971)'C om pute r calculations of th eth erm odynam ic properti es of refrir,erants12, 22 and 502 . ' , SHR E Trans. ,Vol.77, pp 103 .

11. r: aw hinne y' X. A. ( 1981) I On theperformance of vapour compression he at:punns , D. Phil Thes is, Kew Gniversityof Ulster, Coleraine, Northern Ir elar.d.12. Hughes, D. \T. hcFullan, J.: . and l : o r rR. (1 982) Calculation of th e in fluenceof r i c oil on the performance ofrefrigeration and hea t pump systems ,In t . J . Enere;y Res. V ol. 7. (To be

e d .

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. ~ ~ ~EnlhGlpykJ kg mixtureFig THERMODYNAMIC PROPERTIES OF R 12 0IL MIXTURE

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T H E R M O D Y N ~ M I C PROPERTIESOFR 120IL MIXTURE

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7s 19 12 29 22 21EnthalpykJ/kgoFFig3 THERMODYNMICPROPERTIES OFR 120 IL MIXTURE 2.8 OIL>

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4 0 1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~353025

Enll'lo.lpy kJ/kg oF mixlure-Fig 4 THERMODYN MIC PROPERTIES OF R 12/0IL MIXTURE < 5 0 ' OIL>

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\ ; 10 60 90 100 t 20 140 200 220 240Enll'lo.lpy kJ/kg oF mixlureFig 5 THERMODYN MIC PROPERTIES OF R 12/0lL MIXTURE 10 0 ' OIL)

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I~ - ~ ~ ~ 1 e ~ ~ ~ s e ~ - - s e ~ ~ ~ ~ 0 ~ a ~ ~ ~ ~ . _ ~ ~ ~ ~ L - ~ 1 ~ a e ~ ~ ~ ~ e ~ ~ 2 2 ~ e ~ ~ 2 ~ 1 ~ eEnlhlpykJ /kg orFig THERMODYNMICPROPERTIES OFR12/0 ll MIXTURE< 15.8%OIL)

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- - - - - - - - - - - .R1..--R2 oilEnthalpy kJ/kg oFFig 7 THERMODYN MICPROPERTIES OFR 12/QILMIXTURE < 8.0 OIL>

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determination of the thermodynamic properties of refrigerant-oil

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