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Published in:
2020 | OriginalPaper | Chapter
Transition Effect on the Vertical Flow Past the VFE-2 Delta Wing with Rounded Leading Edge
Authors : Wenyao Cui, Jian Liu, Zhixiang Xiao
Published in: Progress in Hybrid RANS-LES Modelling
Publisher: Springer International Publishing
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Abstract
The influence of transition on the flow pattern and pressure distribution on VFE-2 was investigated by implementing the three-equation k-ω-γ transition model into DDES method (DDES-Tr). The DDES based on full turbulence (DDES-FT) is involved for comparison. For the attached flow, the vortex structure and flow pattern are largely affected by the transition exists on the leading-edge. Both the primary vortex and inboard vortex are captured by DDES-Tr, while the inboard vortex disappears in the DDES-FT, indicating the importance of transition in simulating the attached flow on VFE-2.