1. 2) Humble, L.V., Lowdermilk, W.H. and Desmon, L.C. : Measurements of average heat-transfer and friction coefficients for subsonic flow of air in smooth tubes at high surface and fluid temperatures, NACA Report 1020, p. 343-357 (1951)
2. 3) Deissler, R.G. and Eian, C.S. : Analytical and experimental investigation of fully developed turbulent flow of air in a smooth tube with heat transfer with variable fluid properties, NACA Technical note 2629, p. 1-43 (1952)
3. 4) Shapiro, A.H. : The Dynamics and Thermodynamics of Compressible Fluid Flow, Vol. 1, 2, Ronald Press (1954)
4. 5) Benedict, R.P. and Steltz, W.P. : A Generalized Approach to One-Dimensional Gas Dynamics, Trans. ASME, J.E. Power, January, p. 49-68 (1962)
5. 6) Wartelle, C. : Caractéristiques de débit des apparreils á fluides compressibles, Les Mémoires Techniques du CETIM, No. 13, September, p. 1-54 (1972)