epjconf_efm2016_02048.pdf (490.91 kB)
On the interaction between turbulence grids and boundary layers
journal contribution
posted on 2023-06-09, 00:40 authored by Thomas IrpsThomas Irps, Vasudevan KanjirakkadVasudevan KanjirakkadTurbulence grids are widely used in wind tunnels to produce representative turbulence levels when testing aerodynamic phenomena around models. Although the purpose of the grid is to introduce a desired turbulence level in the freestream flow, the wall boundary layers of the tunnel are subjected to modification due to the presence of such grids. This could have major implications to the flow around the models to be tested and hence there is a need to further understand this interaction. The study described in this paper examines wind tunnel wall boundary layer modification by turbulence grids of different mesh sizes and porosities to understand the effect of these parameters on such interaction. Experimental results are presented in the form of pressure loss coefficients, boundary layer velocity profiles and the statistics of turbulence modification.
History
Publication status
- Published
File Version
- Published version
Journal
European Physical Journal Web of ConferencesISSN
2100-014XPublisher
EPJ JournalsExternal DOI
Volume
114Article number
a02048Department affiliated with
- Engineering and Design Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2016-03-30First Open Access (FOA) Date
2016-03-30First Compliant Deposit (FCD) Date
2016-03-30Usage metrics
Categories
No categories selectedKeywords
Licence
Exports
RefWorks
BibTeX
Ref. manager
Endnote
DataCite
NLM
DC