Experimental measurement of coherent structures in turbulent boundary layers using moving time-resolved particle image velocimetry

2020 ◽  
Vol 32 (11) ◽  
pp. 115102
Author(s):  
Kangjun Wang ◽  
Biaohui Li ◽  
Lixia Liu ◽  
Chaowei Wang ◽  
Nan Jiang
Keyword(s):  
Particle Image Velocimetry ◽  
Boundary Layers ◽  
Experimental Measurement ◽  
Coherent Structures ◽  
Particle Image ◽  
Turbulent Boundary Layers ◽  
Time Resolved ◽  
Image Velocimetry

scholarly journals Spectral characteristics of turbulent boundary layers – comparison of Particle Image Velocimetry and Thermal Anemometry

2019 ◽  
Vol 213 ◽  
pp. 02034 ◽  
Author(s):  
Klára Jurčáková ◽  
Radka Kellnerová ◽  
Pavel Procházka ◽  
Pavel Antoš
Keyword(s):  
Particle Image Velocimetry ◽  
Boundary Layers ◽  
Particle Image ◽  
Spectral Characteristics ◽  
Experimental Methods ◽  
Turbulent Boundary Layers ◽  
Time Resolved ◽  
Image Velocimetry ◽  
Normal Distance ◽  
Good Agreement

Flow in turbulent boundary layers over various rough surfaces was measured by the time-resolved particle image velocimetry and the thermal anemometry. The experimental methods showed very good agreement in both mean and spectral characteristics taking into account each method limitations. The spectral characteristics supported the attached eddy hypothesis. The most energetic structures were growing with the wall-normal distance and they achieved sizes equal to 3 to 8 boundary layer depths.

scholarly journals Time-resolved particle image velocimetry measurements of the turbulent Richtmyer–Meshkov instability

2021 ◽  
Vol 917 ◽  
Author(s):  
Everest G. Sewell ◽  
Kevin J. Ferguson ◽  
Vitaliy V. Krivets ◽  
Jeffrey W. Jacobs
Keyword(s):  
Particle Image Velocimetry ◽  
Particle Image ◽  
Time Resolved ◽  
Image Velocimetry

Abstract

Sign in / Sign up

Export Citation Format

Share Document