Langley Research Center Turbulence Modeling Resource

DNS: Swept Turbulent Separation Bubble

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The data on this page were provided by G. Coleman.

This flow is a swept separation bubble, with the separation and reattachment forced by velocity transpiration along the top boundary. This is similar to the flow in DNS: 2-D Turbulent Separation Bubbles, except the current flow includes sweep. The flow was computed using the incompressible Navier-Stokes equations in a pseudo-spectral code. Additional details concerning the data, code, and computational methodology can be found in:

• Coleman, G. N., Rumsey, C. L., and Spalart, P. R., "Numerical Study of a Turbulent Separation Bubble with Sweep," Journal of Fluid Mechanics, vol. 880, 2019, pp. 684-706, https://doi.org/10.1017/jfm.2019.736.

Here is an explanation of what is in the data files provided:

• README.v4 (explanation of what is in the files) (modified 8/12/2020)

The DNS data files are given here:

• Qofx_CaseC35_xavg.dat (chordwise data in Tecplot format, locally averaged in x)
• Qofxy_CaseC35_xavg.dat.gz (field data in Tecplot format, locally averaged in x, gzipped 89.7 MB)

Return to: Data from DNS - Intro Page

Recent significant updates:
08/12/2020 - revised README file to v4 (gives more precise values for Vmax to impose top-wall transpiration profile)

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Responsible NASA Official: Ethan Vogel
Page Curator: Clark Pederson
Last Updated: 11/05/2021