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3146 -- A Correlation of Experimental Exit Pressures for Refrigerant Flow through a Capillary Tube Expansion Device
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3146 -- A Correlation of Experimental Exit Pressures for Refrigerant Flow through a Capillary Tube Expansion Device
Conference Proceeding by ASHRAE, 1988
U.W. Schulz, Ph.D.
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In this paper a new model is presented for predicting the critical pressure of a refrigerant flow through an adiabatic capillary tube. Experimental capillary tube exit pressures, obtained in a vapor compression loop operated with RI2, R22, and RII4, were used to determine the analytical coefficients. Furthermore, the results are being applied to nonazeotropic refrigerant mixtures to evaluate a possible extension of the developed model to other working fluids.
Units: Dual
Citation: ASHRAE Transactions, 1988, vol. 94, pt. 1, Dallas, TX