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Thermophysics and Aeromechanics

2013 year, number 4

Thermal conductivity of refrigerant R-415A in the vapor phase

O.I. Verba, E.P. Raschektaeva, and S.V. Stankus
Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
Keywords: thermal conductivity, refrigerant, R-415A, vapor phase

Abstract

Thermal conductivity of refrigerant R-415A in the vapor phase has been studied by the steady-state method of coaxial cylinders in the range of temperatures 308–415 K and pressures 0.12–1.68 MPa. The approximation dependence of thermal conductivity on pressure and temperature was determined. Thermal conductivity on the dew line and in the ideal gas state was calculated.