Transonic Drag Prediction on a DLR-F6 Transport Configuration

Qiu Ya Zheng; Jian Hu Feng; Zun Huan Shen

doi:10.4028/www.scientific.net/AMR.566.676

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 566Transonic Drag Prediction on a DLR-F6 Transport...

Transonic Drag Prediction on a DLR-F6 Transport Configuration

Abstract:

The accuracy of the drag prediction is investigated by simulating the transonic flow fields around the DLR-F6 wing-body (WB) and wing-body-nacelle-pylon (WNP) configurations. A series of coarse, medium, and fine density multi-block structured patched grids for both the DLR-F6 WB and WBNP configurations are employed to examine effect of grid on forces and incremental drag by adding the nacelle and pylon. The effect of boundary layer transition specification on the drag and incremental drag are also estimated. The results show that grid refinement decrease WB total drag by 6.8 drag counts, WBNP total drag by 15.3 drag counts. Specifying transition reduce WB total drag by 9.7 drag counts, WBNP total drag by 11 drag counts as compared to fully turbulent boundary layer computations, but transition has little effects on nacelle/pylon incremental drag.

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Periodical:

Advanced Materials Research (Volume 566)

Pages:

676-679

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.566.676

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Online since:

September 2012

Authors:

Qiu Ya Zheng, Jian Hu Feng, Zun Huan Shen

Keywords:

Configuration, Drag, Navier-Stokes Equation, Transonic Flow, Turbulence Model

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