%0 Journal Article %T Approaches to Thermal Calculation of Vortex Pipes %A Orlov, A.. %A Orlova, N.. %K Thermal calculation, vortex pipes, gas, gas compression %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov