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Thermophysics and Aeromechanics

2022 year, number 6

Equation for the viscosity coefficient of liquid, gas and fluid of inert gases. Krypton

O.S. Dutova1, P.P. Bezverhiy2
1Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
2Nikolaev Istitute of Inorganic Chemistry SB RAS, Novosibirsk, Russia
Keywords: viscosity, density, temperature, pressure, gas, liquid, krypton

Abstract

Using the previously established dependence of the excess viscosity on the internal energy density, a simple low-parameter equation was obtained to describe the krypton viscosity coefficient in a wide range of state parameters. It was shown that the proposed low-parameter equation for calculating the viscosity coefficient of liquid and gas allows for reliable extrapolation beyond the limits of the studied area.