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Properties of saturated fluorocarbons: Experimental data and modeling using perturbed-chain-SAFT

Abstract : We present experimental speed of sound data for the saturated fluorocarbons used most frequently in particle detector cooling systems. Data were collected over the moderate range of pressure (≤0.4 MPa) and temperature 250–340 K. A commercial sound/density analyzer operating on the vibrating tube principle was employed for the measurements in liquid state. A dedicated sonar analyser – described in detail – was recently redesigned and developed for the speed of sound measurements in gas phase. Data for speed of sound in saturated fluorocarbons presented in previous papers [V. Vacek, G. Hallewell, S. Ilie, S. Lindsay, Fluid Phase Equilib. 174 (2000) 191–201; V. Vacek, G. Hallewell, S. Lindsay, Fluid Phase Equilib. 185 (2001) 305–314] were reanalyzed and corrected and some new measured data were added. Our experimental data were then used to validate a theoretically based equation of state application rather than the empirical or semi-empirical equations of state mostly used up to now in fluorocarbon applications
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Submitted on : Wednesday, April 21, 2010 - 2:38:53 PM
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G. Hallewell, V. Vacek, V. Vinš. Properties of saturated fluorocarbons: Experimental data and modeling using perturbed-chain-SAFT. Fluid Phase Equilibria, Elsevier, 2010, 292, pp.64-70. ⟨10.1016/j.fluid.2010.01.027⟩. ⟨in2p3-00475212⟩



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