Numerical Simulation of Condensing Real Gas Flows

F. Put, P.H. Kelleners, R. Hagmeijer, H.W.M. Hoeijmakers

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    1 Citation (Scopus)

    Abstract

    A generally applicable numerical simulation method has been developed to simulate the flow of a condensing real gas. The flow is described by the Euler equations, whereas the condensation process is modeled by Hill's method. Special emphasis is placed on the development of an equation of state, which accurately describes the behavior of a real gas (i.e. a gas at high pressure). The condensation process in a fully expanding quasi - 1D nozzle flow is considered, by applying either the perfect-gas law or the real - gas equation of state. Comparison of results shows that, by applying the perfect - gas law, the temperature and pressure are over-predicted, and consequently the condensation onset is delayed with respect to the real-gas case. Furthermore, two 2D test cases have been carried out with the full 3D method. The first test case is the transonic flow of an air/water mixture through a channel with a circular arc bump on the bottom. The inflow Mach - number is chosen such that a shockwave is formed in the flow over the circular arc. The second test case is the supercritical flow of an air/water mixture through a nozzle with very small cross-sectional area divergence downstream of the throat. Both test cases show that the condensation process is very sensitive to accurate shockwave resolution.
    Original languageEnglish
    Title of host publicationComputational technologies for fluid/thermal/structural/chemical systems with industrial applications
    Subtitle of host publicationpresented at the 2001 ASME Pressure Vessels and Piping Conference, Atlanta, Georgia, July 22-26, 2001
    EditorsVladimir V. Kudriavtsev, Satoyuki Kawano, Chris R. Klijn
    PublisherAmerican Society of Mechanical Engineers (ASME)
    Pages49-56
    Number of pages8
    ISBN (Print)0-7918-1679-6
    Publication statusPublished - 22 Jun 2001
    Event3rd International Symposium on Computational Technologies for Fluid/Thermal/Chemical Systems with Industrial Applications, CFD 2001 - Hyatt Regency, Atlanta, United States
    Duration: 22 Jun 200126 Jun 2001
    Conference number: 3

    Publication series

    NameASME Pressure Vessels and Piping Division
    PublisherASME
    Volume424
    ISSN (Print)0277-027X

    Conference

    Conference3rd International Symposium on Computational Technologies for Fluid/Thermal/Chemical Systems with Industrial Applications, CFD 2001
    CountryUnited States
    CityAtlanta
    Period22/06/0126/06/01

    Fingerprint

    Dive into the research topics of 'Numerical Simulation of Condensing Real Gas Flows'. Together they form a unique fingerprint.

    Cite this