Simulation on refrigerant flow in adiabatic capillary tube

2008, Volume 3, Issue 3

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Frontiers of Mechanical Engineering >> 2008, Volume 3, Issue 3 doi: 10.1007/s11465-008-0054-x

Simulation on refrigerant flow in adiabatic capillary tube

1.College of Energy and Power Engineering, Shandong University; 2.Department of Power Engineering, Southeast University;

Available online: 2008-09-05

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Abstract

This paper proposes a new mathematical model to calculate flow characteristics of the adiabatic capillary tube, which is aimed at solving problems existing in some earlier models. The Stocker’s model was modified with consideration of various effects due to sub-cooling, area concentration, and rolling diameter. The new model can be used not only for R22, but also for its substitutes such as R410A and R407C. A comparison of simulation results of the modified model with those in literature showed that the errors are within 10%. The flow characteristics are finally analyzed.

Keywords

mathematical ; diameter ; literature ; sub-cooling ; adiabatic capillary

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