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Vortex Shedding And Aerodynamic Drag On Truncated Trailing Edge Airfoil
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg, Flygdynamik.
2015 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

The thesis work content is to evaluate the use of more advanced turbulence models available in the ANSYS CFX software for aerodynamic calculations. In particular for flows over airfoils with thick trailing edges, the turbulence modeling is challenging to traditional methods, as both thin boundary layers as well as an unsteady wake needs to be well represented. This is done by using the standard SST and then performing unsteady computations using the more advanced unsteady SAS-SST model to get the relevant CFD results. By comparing to tests performed at GKN and results from literature the improvement could be assessed in terms of modeling quality and computational cost. The results presented give a good contribution to how the modeling of unsteady wakes can be improved and used for design purposes.

sted, utgiver, år, opplag, sider
2015. , s. 28
Serie
TRITA-AVE, ISSN 1651-7660 ; 2015:68
HSV kategori
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URN: urn:nbn:se:kth:diva-185029OAI: oai:DiVA.org:kth-185029DiVA, id: diva2:917992
Examiner
Tilgjengelig fra: 2016-04-12 Laget: 2016-04-08 Sist oppdatert: 2016-04-12bibliografisk kontrollert

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