Abstract
The leakage characteristics during the compression process in a rolling piston rotary compressor were investigated in this research. The thermodynamic conditions and geometric features during the compression process were determined from the results of a numerical compressor simulation. Refrigerant R410a and lubricant oil PVE-68 were used as working fluids. Leakage models with and without consideration of the lubricant oil effect were used to examine leakage characteristics through the radial clearance. A model for pure refrigerant that included the operating conditions and geometric characteristics of a compressor was developed using the verified results of a CFD (Computational fluid dynamics) simulation. The area ratios for both the refrigerant and lubricant oil at the radial clearance was obtained by numerical analysis during the compression process of the rolling piston rotary compressor. The results showed that the cross sectional area at the radial clearance would be charged with the pure refrigerant up to a maximum of 81.2 % during the compression process.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
M. Krueger, Theoretical simulation and experimental evaluation of a hermetic rolling piston rotary compressor, Purdue University (1988).
T. Yanagisawa and T. Shimizu, Leakage losses with a rolling piston type rotary compressor. I. Radical clearance on the rolling piston, Int. J. Refrigeration, 8 (1985) 75–84.
Y. Xiuling, C. Zhiming and F. Zhen, Calculating model and experimental investigation of gas leakage, International Compressor Engineering Conference, Purdue, West Lafayette-IN, USA, IV (1992) 1249–1255.
P. Pandeya and W. Soedel, Rolling piston type rotary compressors with special attention to friction and leakage, International Compressor Engineering Conference, Purdue, West Lafayette-IN, USA (1978) 209–218.
Y. Huang, Leakage calculation through clearances, International Compressor Engineering Conference, Purdue, West Lafayette-IN, USA, I (1994) 35–40.
C. M. F. N. Costa, R. T. S. Ferreira and A. T. Prata, Considerations about the leakage through the minimal clearance in a rolling piston compressor, International Compressor Engineering Conference, Purdue, West Lafayette-IN, USA, II (1990) 853–863.
M. Fukuta, T. Yanagisawa, T. Shimizu and T. Mochizuki, Observation of oil film condition in a cylinder of rotary compressor, International Compressor Engineering Conference, Purdue, West Lafayette-IN, USA (1996) 1139–1158.
R. Ferreira, J. Gasche, A. Prata and D. Lilie, Bicylindrical coordinate formulation for the leakage flow through the minimal clearance in a rolling piston compressor, International Compressor Engineering Conference, Purdue, West Lafayette-IN, USA (1992).
E. Poiate Jr. and J. L. Gasche, Foam flow of oil-refrigerant R12 mixture in a small diameter tube, J. Braz. Soc. Mech. Sci. Eng., XXVIII (4) (2006) 391–399.
H. O. S. Castro and J. L. Gasche, Foam flow of oilrefrigerant R134a mixture in a small diameter tube, International Heat Transfer Conference, Sydney, Australia (2006) MPH-03.
J. P. Dias, J. L. Gasche and A. L. Seixlack, Mathematical modeling of the Ester oil-refrigerant R134a mixture twophase flow with foam formation through a small diameter tube, J. Braz. Soc. Mech. Sci. Eng., 33 (2011) 314–323.
J. L. Gasche, T. Andreotti and C. R. M. Maia, A model to predict R134a refrigerant leakage through the radial clearance of rolling piston compressors, Int. J. Refrigeration, 35 (2012) 2223–2232.
D. Cai, G. He, T. Yokoyama, Q. Tian, X. Yang and J. Pan, Simulation and comparison of leakage characteristics of R290 in rolling piston type rotary compressor, Int. J. Refrigeration, 53 (2015) 42–54.
H. Yang, Z. Qu, H. Zhou and B. Yu, Study on leakage via the radial clearance in a novel synchronal rotary refrigeration compressor, Int. J. Refrigeration, 34 (2011) 84–93.
T. Matsuzaka and S. Nagatomo, Rolling piston type rotary compressor performance analysis, International Compressor Engineering Conference (1982) paper 386.
H. Wakabayashi, J. Yuuda, T. Aizawa and M. Yamamura, Analysis of performance in a rotary compressor, International Compressor Engineering Conference (1982) paper 385.
K. T. Ooi and T. N. Wong, A computer simulation of a rotary compressor for household refrigerators, Applied Thermal Engineering, 17 (1) (1997) 65–78.
G. Prater Jr., Computer modeling and simulation of stationary-vane, rolling piston refrigeration compressors, Computer Modeling in Engineering & Sciences, 3 (3) (2002) 299–312.
S. Lee, J. Shim and K. C. Kim, Development of capacity modulation compressor based on a two stage rotary compressor- part I: Modeling and simulation of compressor performance, Int. J. Refrigeration, 54 (2015) 22–37.
A. Levy, The accuracy of the bubble meter method for gas flow measurements, Journal of Scientific Instruments, 41 (7) (1964).
American Society of Heating Refrigerating and Air-Conditioning Engineers, ASHRAE Handbook: Refrigeration (2010).
C. L. Hollingshead, Discharge coefficient performance of venturi standard concentric orifice plate, v-cone, and wedge flow meters at small reynolds numbers, All Graduate Theses and Dissertations, Utah State Univ. (2011) paper 869.
Author information
Authors and Affiliations
Corresponding author
Additional information
Recommended by Associate Editor Seong Hyuk Lee
Geonwoo Kim received his master degree in Mechanical Engineering from Pusan National University in 2017. He is particularly interested in numerical analysis of compressors and now working at LG Electronics in Korea.
Gyungmin Choi received his Ph.D. in Mechanical Engineering from Pusan National University in 1997 and from Osaka University in 2002. Dr. Choi is a Professor in School of Mechanical Engineering, Pusan National University, Busan, Korea. Dr. Choi is in charge of general affairs for the Korean Society of Combustion.
Rights and permissions
About this article
Cite this article
Kim, G., Min, B., Na, S. et al. Estimation of leakage through radial clearance during compression process of a rolling piston rotary compressor. J Mech Sci Technol 31, 6033–6040 (2017). https://doi.org/10.1007/s12206-017-1147-4
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s12206-017-1147-4