1. Experiments on expansion in a vortex with simultaneous exhaust of hot air and cold air;Ranque;J. Phys. Radium,1933
2. The use of the expansion of gases in a centrifugal field as cooling process;Hilsch;Rev. Sci. Instrum.,1947
3. Efficiency of vortex tubes in spot cooling;UdayaKumar,2019
4. C.D. Fulton, “Ranque's tube,” Refrigerating Engineering, vol. 5, pp. 473–479, 1950.
5. Modification and experimental research on vortex tube;Wu;Int. J. Refrig.,2007