Open AccessTHE AIR VISCOSITY COEFFICIENT AND OTHER RELATED VALUES
Author(s) -
Ramojus Balevičius,
Paulius Miškinis
Publication year - 2020
Publication title -
mokslas - lietuvos ateitis
Language(s) - English
Resource type - Journals
eISSN - 2029-2341
pISSN - 2029-2252
DOI - 10.3846/mla.2020.13767
Subject(s) - viscosity , thermodynamics , mean free path , materials science , mechanics , physics , optics , scattering
Experimental measurements of the dynamic coefficient of air viscosity were done. Numerous other related values such as the kinematic coefficient of air viscosity, the mean free path and the mean thermal square velocity of air molecules were determined. The dependence of the air dynamic viscosity coefficient on temperature was also obtained. It allowed us to determine the Sutherland’s corrections and to estimate the dimension of air molecules and the temperature gradients of the dynamic and kinematic coefficients of the air viscosity. The determined values were compared to the similar theoretical and experimental data obtained by other authors.