Publication detail

Numerical and experimental investigation of swirling flow in a conical diffuser

ŠTEFAN, D. ZUBÍK, P. HUDEC, M. RUDOLF, P.

English title

Numerical and experimental investigation of swirling flow in a conical diffuser

Type

Paper in proceedings (conference paper)

Language

en

Original abstract

The decelerated swirling flow often breaks down into helical structure which is unstable and causes unsteady velocity and pressure fields. The numerical and experimental investigation of this flow pattern is carried out on the experimental apparatus consisting of the swirl generator (producing a strong swirling flow) and the transparent conical diffuser (where the helical structure can be observed). The open source CFD software OpenFOAM employing realizable k-epsilon turbulence model is used for the numerical simulations. The experimental measurements are focused on LDA measurements of velocity profiles in the diffuser cross-sections. Agreements between numerical end experimental results are discussed.

Keywords in English

swirling flow, cavitation, LDA, OpenFOAM

Released

2015-05-06

Publisher

EPJ Web of Conferences

ISSN

2100-014X

Book

EFM14 – Experimental Fluid Mechanics 2014

Journal

EPJ Web of Conferences

Volume

2015

Number

92

Pages from–to

1–5

Pages count

5

BIBTEX


@inproceedings{BUT114433,
  author="David {Štefan} and Pavel {Zubík} and Martin {Hudec} and Pavel {Rudolf}",
  title="Numerical and experimental investigation of swirling flow in a conical diffuser",
  booktitle="EFM14 - Experimental Fluid Mechanics 2014",
  year="2015",
  journal="EPJ Web of Conferences",
  volume="2015",
  number="92",
  pages="1--5",
  publisher="EPJ Web of Conferences",
  doi="10.1051/epjconf/20159202085",
  issn="2100-014X",
  url="http://dx.doi.org/10.1051/epjconf/20159202085"
}