1. Eckert, E. and Weise, W., Messungen der temperaturverteilung auf der oberfläche schnell angeströmter unbeheizter körper, Forsch. Ingenieurwes., 1942, vol. 13, no. 6, pp. 246‒254. https://doi.org/10.1007/BF02585343
2. Ryan, L.F., Experiments on aerodynamic cooling, PhD Thesis, Zurich: Swiss Federal Institute of Technology, 1951.
3. Leont’ev, A.I., Gas-dynamic method of energy separation of gas flows, High Temp., 1997, vol. 35, no. 1, pp. 155–157.
4. Eiamsa-ard, S. and Promvonge, P., Review of Ranque–Hilsch effects in vortex tubes, Renew. Sustain. Energy Rev., 2008, vol. 12, no. 7, pp. 1822–1842. https://doi.org/10.1016/j.rser.2007.03.006
5. Leontiev, A.I., Zditovets, A.G., Vinogradov, Y.A., Strongin, M.M., and Kiselev, N.A., Experimental investigation of the machine-free method of temperature separation of air flows based on the energy separation effect in a compressible boundary layer, Exp. Therm. Fluid Sci., 2017, vol. 88, pp. 202–219. https://doi.org/10.1016/j.expthermflusci.2017.05.021