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Thermophysics and Aeromechanics

2002 year, number 3

Thermal conductivity of heptafluoropropane HFC-227ea

O.I. Verba, V.A. Gruzdev
Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
Pages: 445-454


The thermal conductivity of gaseous 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea) was studied over the temperature range from 300 to 423 K at pressures up to 2.4 MPa. The measurements were carried out with a steady-state coaxial-cylinder method. The purity of samples used throughout the measurements was 99.4 mol %. The uncertainties in the obtained thermal conductivity data are estimated to be less than