1. W. A. Kardine, R. Agahi, B. Ershaghi and F. Y. Zeidan, Application of high speed and high efficiency hydrogen turboexpanders in refinery service, Proceedings of The Twentyfifth Turbomachinery Symposium (1997) 95–101.
2. C. S. Wong, D. Meyer and S. Krumdieck, Selection and conversion of turbocharger as turbo-expander for organic rankine cycle(ORC), Proceedings of 35th New Zealand Geothermal Workshop (2013).
3. G. L. Agrawal, Foil air/gas bearing technology — An overview, ASME Paper No. 97-GT-347 (1997).
4. L. S. Andre’s, D. Rubio and T. H. Kim, Rotordynamic performance of a rotor supported on bump type foil gas bearings: Experiments and predictions, J. Eng. Gas Turbines Power, 129 (3) (2007) 850–857.
5. C. DellaCorte and M. Valco, Oil-free turbomachinery technology for regional jet, rotorcraft and supersonic business jet propulsion engines, AIAA Paper No. ASABE-2003-1182 (2003).