Performance characteristics of energy separation in a steam-operated vortex tube |
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| Authors: | Heishiciro Takahama Hitoshi Kawamura Seizo Kato Hajime Yokosawa |
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| Affiliation: | Department of Mechanical Engineering, Faculty of Engineering, Nagoya University, 1, Furo-cho, Chikusaku, Nagoya, 464, Japan;Department of Mechanical and Materials Engineering, School of Engineering, Mie University, 1515, Kamihama-cho, Tsu, 514, Japan;College of General Education, Nagoya University Japan |
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| Abstract: | Energy separation performance of a steam-operated vortex tube is experimentally investigated, and some reasonable criteria and expressions to estimate the energy separation performance are also introduced. The performance characteristics defined by the above expressions are the same as those of ideal gas in the high superheated region, and are well expressed independently of the degree of superheat, total mass flow rate and discharge resistance. When steam is in the wet region at the nozzle outlet, the performance considerably decreases because of the energy waste from moisture vaporization. And no energy is separated when the dryness fraction is less than approximately 0.98. Some technical data including the optimum operating conditions are also offered. |
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