AN EVALUATION OF CONSTITUENT CORRELATIONS FOR PREDICTING REFRIGERANT CHARACTERISTICS IN ADIABATIC CAPILLARY TUBES-Reference-Cited by-同舟云学术

AN EVALUATION OF CONSTITUENT CORRELATIONS FOR PREDICTING REFRIGERANT CHARACTERISTICS IN ADIABATIC CAPILLARY TUBES

Published:2010-06 Issue:02 Volume:18 Page:131-139
ISSN:2010-1325
Container-title:International Journal of Air-Conditioning and Refrigeration
language:en
Short-container-title:Int. J. Air-Cond. Ref.

Author:

SARKER DEBASISH¹,KIM LYUN-SU²,SON KI-DONG²,JEONG JI HWAN¹,CHANG KEUN SUN³

Affiliation:

1. School of Mechanical Engineering, Pusan National University, Busan, 609-735, Korea

2. Home Appliance Company, LG Electronics, Gyeongnam, 641-711, Korea

3. Division of Mechanical Engineering, Sunmoon University, Chungnam 336-708, Korea

Abstract

Capillary tubes are widely used as a refrigerant flow control device in small refrigeration systems. Since the flow behavior inside the capillary tube is complex, many physical models are necessary to predict the characteristics of the refrigerant flow in a capillary tube. In the present paper, refrigerant flow characteristics inside the capillary tube have been studied to find out recommended empirical correlations of influential parameters. A numerical capillary model is developed to predict the refrigerant characteristics. Various empirical correlations regarding single-phase friction factor, two-phase viscosity, two-phase frictional multiplier and metastable flow are examined using this numerical capillary model. Calculated results are compared with experimental data to examine the accuracy in terms of required capillary tube length and mass flow rate. Based on the comparison, recommended correlations are selected to be used for capillary flow analysis.

Publisher

Springer Science and Business Media LLC

Subject

Fluid Flow and Transfer Processes,Renewable Energy, Sustainability and the Environment,Control and Systems Engineering

Link

https://www.worldscientific.com/doi/pdf/10.1142/S201013251000023X

Reference14 articles.

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