![]() on behalf of any co-authors, I agree to this work being published in the above named journal, Open Access, and licenced under a Creative Commons Licence, 4.0.that I have obtained permission for and acknowledged the source of any illustrations, diagrams or other material included in the article of which I am not the copyright owner.that this article contains no violation of any existing copyright or other third party right or any material of a libelous, confidential, or otherwise unlawful nature, and that I will indemnify and keep indemnified the Editor and THE PUBLISHER against all claims and expenses (including legal costs and expenses) arising from any breach of this warranty and the other warranties on my behalf in this agreement.This work is licensed under a Creative Commons Attribution 4.0 International License.Īuthors who publish with this journal agree to the following terms Indoor air quality engineering (1th ed.). CRC handbook of chemistry and physics (63th ed.). Air pollution – measurement, modelling and mitigation (4th ed.). Turbulent shear layers in supersonic flow (2th ed.). Chemical demonstrations: a handbook for teachers of chemistry (Vol. Physics for the health sciences (3th ed.). Handbook of chemistry and physics (87th ed.). Accurate and efficient calculation of excited vibrational states from quartic potential energy surfaces. The mathematical theory of non-uniform gases (3th ed.). Fizikos pagrindai inžinerijoje (1 dalis). Keyword : air viscosity, mean thermal velocity, mean free path, air density, Sutherland’s corrections, dimension of moleculesĪstrauskienė, N., Bendorius, R. Reikšminiai žodžiai: oro klampa, vidutinis šiluminis greitis, vidutinis laisvasis kelias, oro tankis, Sazerlendo pataisos, molekulių matmenys. Vertės palygintos su kitų autorių gautais teoriniais ir eksperimentiniais rezultatais. Gautosios vertės leido nustatyti Sazerlendo pataisas, įvertinti oro molekulių matmenis, taip pat oro klampos dinaminių ir kinematinių koeficientų temperatūros gradientus. Taip pat gauta oro dinaminio klampos koeficiento priklausomybė nuo temperatūros. Matuojant buvo nustatytos kitų susijusių dydžių eksperimentinės vertės: oro klampumo kinematinis koeficientas, vidutinis laisvasis kelias ir vidutinis oro molekulių šiluminis kvadratinis greitis. Oro klampumo koeficientas ir kiti susieti dydžiaiīuvo atlikti eksperimentiniai oro klampos koeficiento matavimai. ![]() The determined values were compared to the similar theoretical and experimental data obtained by other authors. 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 dependence of the air dynamic viscosity coefficient on temperature was also obtained. 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. Experimental measurements of the dynamic coefficient of air viscosity were done.
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