Leakage characteristics and an updated volumetric efficiency prediction model of rolling piston type rotary compressor for small capacity air-conditioner and heat …

D Cai, C Qiu, J Pan, X Yang, G He, Y Tetsuhide… - Applied Thermal …, 2017 - Elsevier
The rolling piston type rotary compressors consume huge amount of energy in buildings due
to the large quantity of applications in household as well as commercial air-conditioners and …

Simulation and comparison of leakage characteristics of R290 in rolling piston type rotary compressor

D Cai, G He, T Yokoyama, Q Tian, X Yang… - International Journal of …, 2015 - Elsevier
This paper presents a comparative analysis on leakage losses of a rolling piston type rotary
compressor with refrigerants of R290, R22 and R410a. In particular, the difference of …

A model to predict R134a refrigerant leakage through the radial clearance of rolling piston compressors

JL Gasche, T Andreotti, CRM Maia - international journal of refrigeration, 2012 - Elsevier
In this paper a non-isothermal two-phase model for oil–R134a refrigerant mixture flow is
presented to predict the R134a leakage through the radial clearance of rolling piston …

Estimation of leakage through radial clearance during compression process of a rolling piston rotary compressor

G Kim, B Min, S Na, G Choi, D Kim - Journal of Mechanical Science and …, 2017 - Springer
The leakage characteristics during the compression process in a rolling piston rotary
compressor were investigated in this research. The thermodynamic conditions and …

Thermal-Elastohydrodynamic Contacts Lubricated With Oil/Refrigerant Solutions: A New Cavitation Modeling Approach Based on Refrigerant Solubility

F Zhang, N Fillot, R Hauleitner… - Journal of …, 2022 - asmedigitalcollection.asme.org
A first cavitation modeling with thermal effects for oil/refrigerant solutions lubricated
elastohydrodynamic point contacts is reported in this work. The solubility of the oil/refrigerant …

[图书][B] Influence of fully miscible lubrication oil on flow boiling of CO₂ inside horizontal evaporator tubes

M Wetzel - 2017 - books.google.com
Flow boiling heat transfer, pressure drop and flow pattern of CO?-POE oil mixtures were
experimentally investigated in smooth and micro-fin tubes. The POE oil used features full …

Prediction of leakage flow of radial clearance in a rolling piston rotary compressor

G Kim, K Noh, B Min, S Song, S Na, T Yoon, K Teshima… - 2016 - docs.lib.purdue.edu
The functional formula of the flow coefficients for the radial clearance in a rolling piston
rotary compressor was developed by the experiments and Computational Fluid Dynamics …

Elastohydrodynamic lubrication with mixtures of oil and operating fluids: an industrial challenge

F Zhang - 2022 - theses.hal.science
The fluid that separates the contacting elements in many industrial applications is often a
mixture of oil and operating fluids. This work aims to provide a better understanding of …

An Experimental Study of Refrigerant Leakage in Variable Speed Rolling Piston Compressors

CY Lee - ASHRAE Transactions, 2024 - search.proquest.com
Many researchers have modeled the refrigerant's internal flank leakage in rolling piston
compressors as a convergent, divergent nozzle flow for simplicity in simulation work. To …

롤링피스톤형로타리압축기에서의롤러와실린더간극간누설유량예측

김건우, 노기율, 민병채, 송상진, 나상경… - 대한설비공학회학술 …, 2016 - dbpia.co.kr
Functional formula of the flow coefficients for the radial clearance in a rolling piston rotary
compressor was developed by the experiments and CFD (Computational Fluid Dynamics) to …