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Thermophysics and Aeromechanics

2008 year, number 2

Thermal conductivity of liquid R507 refrigerant

A.V. Baginsky1, A.S. Shipitsyna2
1 Kutateladze Institute of Thermophysics SB RAS
2 Kutateladze Institute of Thermophysics SB RAS
Pages: 291-295

Abstract

Thermal conductivity of ozone-safe liquid refrigerant R507 was studied by the method of high-frequency thermal waves within the temperature range of 297.95 … 332.55 K and pressures from the saturation line up to 3.7 MPa. The estimated errors of temperature, pressure, and thermal conductivity measurements are 0.1 K, 3 kPa, and 1.5 %, correspondingly. Thermal conductivity of liquid R507 was calculated on the saturation line. Approximation dependences for thermal conductivity were derived for the whole range of studied temperatures and pressures and on the saturation line.