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Advanced Flow Diagnostics and Experimental Aerodynamics Laboratory


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A Collection of Videos related to our Laboratory


Flying rods project by History Channel

DRWT Design by Iowa Energy Center  

KCCI News Report about ISU-IRT

 


 

Gallery of Flow Visualization Photos and Animations

 


  

icing tunnel testing of dynamic ice accreting process over a cylindrical test model

 


 

              (a). airflow velocity V=15m/s                                       (b). airflow velocity V=20m/s                                                  (c). airflow velocity V=25m/s

Surface water rivulet/film flow over a NACA0012 airfoil pertinent to aircraft icing phenomena  (Zhang, Tian and Hu, 2015)

 


 

(a). Over the upper surface of the airfoil

 

 (b). Over the lower surface of the airfoil

Glaze ice accretion process over a NACA0012 airfoil with airflow speed V=35m/s, T=-8°C, α = 5.0 deg. (Waldman & Hu, 2015)

 


 

  

Comparison of water droplet impinging onto a surface with and without superhydrophobic coating (Waldman & Hu, 2014)

 

Effects of superhydrophobic surface (SHS) coating on the ice accreting process over an airfoil surface (Waldman & Hu, 2015)

 


 

Stereoscopic PIV measurements in the wake behind a wind tubine (Wang, Tian & Hu, 2015)

The wake vortices and turbulent flow structures behind a conventional Single-Rotor Wind Turbine (SRWT)

The wake vortices and turbulent flow structures behind a Co-rotating Dual-Rotor Wind Turbine (Co-DRWT)

The wake vortices and turbulent flow structures behind a Counter-rotating Dual-Rotor Wind Turbine (Counter-DRWT)

(Copyright © Zhenyu Wang, Ahmed Ozbay Wei Tian and Hui Hu @ Iowa State University, 2014)

PIV Measurements of Wind Turbine Wake (Hu et al. 2012)

 


         

        (a).  MTT raw image                                        (b). temperature fields derived from the image

Molecular Tagging  Thermometry (MTT) with adjustable sensitivity 

 


 

                      

      (a). image of 0.5 ms after the laser pulse                                               (b).  image of  5 ms later          

                                (c). MTV&T results derived from the MTV&T image pair

Molecular Tagging  Velocity and Thermometry (MTV&T) measurements 

 


 

        (a). total concentration                              (b).  molecularly-unmixed fraction                        (c). molecularly-unmixed fraction

Instantaneous quantification of molecular mixing in gaseous jet  flow 

 


 

                   

            (a). t = t0                                                    (b). t = t0+0.1s                

Vortex structures downstream a lobed nozzle/mixer 
 

 


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