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  • The presented paper deals with the incorporation of complex (non-ideal) equation of state into the Euler model, which describes dynamics of inviscid fluid. We have performed numerical experiments for the steady transonic flow of steam in the 2D GAMM channel (channel with the 10% thick circular arc bump on the lower wall). The using of complex equation of state allows the more accurate prediction of thermodynamic quantities, mainly in the regions where compressibility factor differs from one. The results achieved by the van der Waals, Redlich-Kwong-Aungier, one-coefficient virial and special gas IAPWS equation of state are compared with the traditional perfect gas model. All of these models are implemented into in-house CFD code based on the finite volume method in 2D along with the AUSM+ flux scheme. The results confirmed the necessity of using more complex equations of state, especially when higher pressures are considered.
  • The presented paper deals with the incorporation of complex (non-ideal) equation of state into the Euler model, which describes dynamics of inviscid fluid. We have performed numerical experiments for the steady transonic flow of steam in the 2D GAMM channel (channel with the 10% thick circular arc bump on the lower wall). The using of complex equation of state allows the more accurate prediction of thermodynamic quantities, mainly in the regions where compressibility factor differs from one. The results achieved by the van der Waals, Redlich-Kwong-Aungier, one-coefficient virial and special gas IAPWS equation of state are compared with the traditional perfect gas model. All of these models are implemented into in-house CFD code based on the finite volume method in 2D along with the AUSM+ flux scheme. The results confirmed the necessity of using more complex equations of state, especially when higher pressures are considered. (en)
Title
  • Numerical solution of inviscid transonic flow in a channel with complex equation of state
  • Numerical solution of inviscid transonic flow in a channel with complex equation of state (en)
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  • Numerical solution of inviscid transonic flow in a channel with complex equation of state
  • Numerical solution of inviscid transonic flow in a channel with complex equation of state (en)
skos:notation
  • RIV/68407700:21220/14:00222871!RIV15-MSM-21220___
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  • 33359
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  • RIV/68407700:21220/14:00222871
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  • Real gas; Euler inviscid model; GAMM channel; finite volume method (en)
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  • [50894EF5EA2C]
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  • Svratka
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  • Brno
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  • ENGINEERING MECHANICS 2014
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  • Fürst, Jiří
  • Halama, Jan
  • Hric, Vladimír
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issn
  • 1805-8248
number of pages
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  • Vysoké učení technické v Brně
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  • 978-80-214-4871-1
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  • 21220
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