Flow separation characterisation of a forward facing step immersed in a turbulent boundary layer

Michael John Sherry, David Lo Jacono, John Sheridan, Romain Mathis, Ivan Marusic

Research output: Contribution to conferencePaper

16 Citations (Scopus)

Abstract

Flow separation experiments are conducted in two facilities using particle image velocimetry (PIV) and pressure tappings over a wide Reynolds number range for a forward facing step immersed in a turbulent boundary layer. Bluff body flow is observed with the fixed separation point located at the leading edge of the model. The recirculation region dimensions are characterised over the entire Reynolds number range using the PIV technique. Pressure tappings provide insight into the surface pressure distribution in a recirculation region. The mechanisms affecting the reattachment distance, XL, namely the turbulent mixing within the boundary layer and the velocity deficit in the boundary layer are commented on.

Original languageEnglish
Pages1325-1330
Number of pages6
Publication statusPublished - 1 Jan 2009
EventTurbulence and Shear Flow Phenomena 2009 - Seoul, Korea, Republic of (South)
Duration: 22 Jun 200924 Jun 2009
Conference number: 6th

Conference

ConferenceTurbulence and Shear Flow Phenomena 2009
Abbreviated titleTSFP 2009
CountryKorea, Republic of (South)
CitySeoul
Period22/06/0924/06/09

Cite this

Sherry, M. J., Jacono, D. L., Sheridan, J., Mathis, R., & Marusic, I. (2009). Flow separation characterisation of a forward facing step immersed in a turbulent boundary layer. 1325-1330. Paper presented at Turbulence and Shear Flow Phenomena 2009, Seoul, Korea, Republic of (South).