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Thermophysics and Aeromechanics

2025 year, number 1

Equation for calculating the viscosity coefficient of neon from the triple point to a temperature of 700 K and a pressure of 50 MPa

O.S. Dutova, A.B. Meshalkin
Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
Keywords: viscosity, density, temperature, pressure, gas, liquid, neon

Abstract

A low-parameter equation has been obtained to describe the viscosity coefficient of liquid and gaseous neon at temperatures from 24.6 to 700 K and pressures from 0.044 to 50 MPa. This equation allows data obtaining within the experimental error. It is shown that this equation, proposed for calculating the viscosity coefficient of liquid and gas, allows reliable extrapolation beyond the studied area.