Abstract
This paper is concerned with shock-tube experiments of the phase transition from vapor to liquid and its molecular dynamics computer simulation. The growth of a liquid film formed on the endwall surface of a shock-tube in a shock wave reflection region is measured by an optical method using light sources with two different wavelengths. The condensation coefficient of methanol vapor is obtained from the conformity between the experiment of the liquid film growth and the gasdynamics theory with kinetic boundary conditions. It is clarified that the condensation coefficient of methanol vapor exists between 0.15 and 0.18. This value is in good agreement with a theoretical condensation coefficient(0.1~0.3) which is computed on the basis of molecular dynamics method. The simulation suggests that vapor molecules colliding with the liquid surface apparently drive other molecules out of the liquid, i.e., the fluxes of condensation and evaporation have a strong correlation.
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© 1995 Springer Science+Business Media Dordrecht
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Fujikawa, S., Matsumoto, M., Kotani, M., Sato, H. (1995). Experiments of Vapor-Liquid Phase Transition in a Shock-Tube. In: Morioka, S., Van Wijngaarden, L. (eds) IUTAM Symposium on Waves in Liquid/Gas and Liquid/Vapour Two-Phase Systems. Fluid Mechanics and its Applications, vol 31. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0057-1_30
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DOI: https://doi.org/10.1007/978-94-011-0057-1_30
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-4030-3
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