An advanced CFD model to study the effect of non-condensable gas on cavitation in positive displacement pumps

Iannetti, Aldo and Stickland, Matthew T. and Dempster, William M. (2015) An advanced CFD model to study the effect of non-condensable gas on cavitation in positive displacement pumps. Open Engineering, 5 (1). pp. 323-331. ISSN 2391-5439

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    Abstract

    An advanced transient CFD model of a positive displacement reciprocating pump was created to study its behavior and performance in cavitating condition during the inlet stroke. The "full" cavitation model developed by Singhal et al. was utilized, and a sensitivity analysis test on two air mass fraction amounts (1.5 and 15 parts per million) was carried out to study the influence of the dissolved air content in water on the cavitation phenomenon. The model was equipped with user defined functions to introduce the liquid compressibility, which stabilizes the simulation, and to handle the two-way coupling between the pressure field and the inlet valve lift history. Estimation of the performance is also presented in both cases.

    ORCID iDs

    Iannetti, Aldo, Stickland, Matthew T. ORCID logoORCID: https://orcid.org/0000-0001-9817-695X and Dempster, William M. ORCID logoORCID: https://orcid.org/0000-0001-8918-3832;
    • Item type:Article
      ID code:54868
      Dates:
      Date
      Event
      25 September 2015
      Published
      28 March 2015
      Accepted
      Keywords:cavitation, CFD, noncondensable gas effect, positive displacement pumps, Mechanical engineering and machinery, Civil and Structural Engineering, Environmental Engineering, Mechanical Engineering, Materials Science(all), Aerospace Engineering, Electrical and Electronic Engineering
      Subjects:Technology > Mechanical engineering and machinery
      Department:Faculty of Engineering > Mechanical and Aerospace Engineering
      Depositing user: Pure Administrator
      Date deposited:11 Dec 2015 01:50
      Last modified:18 Jan 2022 01:40
      Related URLs:
      URI:https://strathprints.strath.ac.uk/id/eprint/54868
    CORE (COnnecting REpositories)