Gaussian speed-bump surface pressure and inflow boundary layer data
Surface pressure data for Boeing Bump validation geometry as acquired in the UW 3’x3’ wind tunnel. Data are available for four levels of flow confinement (distance of splitter plate to the ceiling of the wind tunnel). The nominal plate position is at station four, where the top surface of the plate is a distance of half the tunnel width from the ceiling.
All pressure coefficients are relative to the second most upstream tap on the splitter plate (x/L = =0.8299). Uncertainty in ambient conditions, pressure measurement and tunnel velocity have been propagated to produce the uncertainty bounds included with this dataset. For more information on this process, please refer to this accompanying document (uncertainty quantification).
Inflow boundary layer data were obtained at x/L=-0.65 and for a confinement of H/L =0.5. Three freestream velocity cases are provided here.
Pressure data files:
Data are available in ‘.csv’ or Matlab formats. Please refer to README file for further explanation of variables and notation. A table of pressure tap locations is also included.
Inflow boundary layer data files:
Data are available in ‘.mat’ or xlm formats. Please refer to README file for further explanation of variables and notation.
For more details or questions please contact O. Williams.
References:
O. Williams, Madeline Samuell, Sage Sarwas, Matthew Robbins and Antonino Ferrante, (2020). “Experimental study of a CFD validation test case for turbulent separated flows,” SciTech 2020, AIAA [link].
O. Williams, M. Samuell, M.Robbins, H. Annamalai, A. Ferrante (2021), “Characterization of separated flowfield over Gaussian speed-bump CFD validation geometry,” SciTech 2021, AIAA [link]
M.Robbins, M. Samuell, H. Annamalai, O. Williams (2021), “Overview of validation completeness for gaussian speed-bump separated flow experiments ,” SciTech 2021, AIAA [link]