Proceedings Vol. 7 (2001)
INŽENÝRSKÁ MECHANIKA 2001
ENGINEERING MECHANICS 2001
May 14 – 17, 2001, Svratka, Czech Republic
Copyright © 2001 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 257 - +8p, full text
The present paper is aimed at the modelling of compressible gases in axisymmetric pipes exhibiting sudden changes (discontinuities) of diameter. These parts of pipes are called orifices. The modelling of orifice flow is problematic due to its complicated and genuinely spatial character. Moreover, due to the fact that the presented flow problem builds only a small part of a complex thermodynamic cycle simulation, we are requested to get satisfactory results using only as few degrees of freedom as possible. We develop several simplified models of the orifice flow and test their quality numerically. Results of numerical experiments are presented and discussed.
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All papers were reviewed by members of the scientific committee.
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