The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2015
Session ID : B141
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B141 Formulation of two-phase flow equation under phase equilibrium and flow dynamics in one-dimensional nozzle
Shigenao MaruyamaYuka IgaJunnosuke Okajima
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Abstract
This paper describes the formulation of two-phase flow equation under phase equilibrium and flow dynamics in one-dimensional nozzle. The derivatives of average specific volume and enthalpy were derived by using thermodynamic relationships. By introducing Clapeyron-Clausius equation, these derivatives were expressed with the small differentials of vapor quality and temperature. Three-dimensional two-phase thermos-fluid equations were formulated with these derivatives of average specific volume and enthalpy. One-dimensional nozzle flow was calculated with the derived formula. The flow transits from subsonic to supersonic by changing the area ratio.
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© 2015 The Japan Society of Mechanical Engineers
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