Mesh suitability for CFD simulations performed on axial compressor airfoil cascades

• Autorzy: Tater Adam , Mačák Pavel , Kovář Patrik

Identyfikatory

DOI

10.24425/bpasts.2024.148873

• Języki publikacji: EN

Abstrakty

EN

In the presented paper, two different meshing strategies are compared to show the accuracy advantage of properly constructed mesh. For this purpose, it was necessary to automatize simulation process, in order to perform a number of calculations without the necessity of user interaction. Later, a method of results extrapolation as well as a way of judging mesh quality are introduced for more throughout comparison of presented discretization strategies. The latter method, called grid convergence index, is also used to calculate probability range of accurate result. To conclude, outcomes of this study are in agreement with general opinon on pracitces for an accurate CFD result. Structured O-type mesh with refinement at wall boundaries (often referred to as “inflation layers”) performs better than simple free mesh.

Słowa kluczowe

EN

automation; axial compressor cascade; CFD; computational fluid dynamics; grid convergence index; Richardson extrapolation

PL

automatyzacja; kaskada sprężarek osiowych; CFD; obliczeniowa dynamika płynów; wskaźnik konwergencji sieci; ekstrapolacja Richardsona

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2024
• Tom: Vol. 72, nr 2
• Strony: art. no. e148873
• Opis fizyczny: Bibliogr 22 poz., rys., tab.

Twórcy

autor

Tater Adam

• Center of Aviation and Space Research, Faculty of Mechanical Engineering, Czech Technical University in Prague, Jugoslávských partyzánů1580/3, 16000, Prague 6, Czech Republic

• https://orcid.org/0000-0001-5201-2060

autor

Mačák Pavel

• Center of Aviation and Space Research, Faculty of Mechanical Engineering, Czech Technical University in Prague, Jugoslávských partyzánů1580/3, 16000, Prague 6, Czech Republic

autor

Kovář Patrik

• Center of Aviation and Space Research, Faculty of Mechanical Engineering, Czech Technical University in Prague, Jugoslávských partyzánů1580/3, 16000, Prague 6, Czech Republic

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).