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Aircraft Icing Physics and Anti-/De-icing Technology Laboratory


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Icing Research Tunnel of Iowa State University (ISU-IRT), which was originally donated by UTC Aerospace System (former Goodrich Inc.) to ISU, is a newly refurnished, research-grade icing wind tunnel. ISU-IRT is the only university-based, multi-functional icing research tunnel in the entire USA. It can be run over a range of test conditions from rime ice to extremely wet glaze ice, which can be used to duplicate/simulate icing phenomena over a range of conditions for icing physics studies pertinent to aircraft/wind turbine icing and various anti-/de-icing applications. 

 

The working parameters of ISU-IRT are:

  • Test section size:                 W X H X L = 400mm (height) by 400mm(width) by 2,000mm (length);

  • Airflow speed:                     Vair = 5 to 60 m/s;

  • Airflow temperature:         Tair = 20oC to -30oC;

  • Water Droplet Size:            d = 10 ~ 50 micrometers;

  • Liquid Water Content:        LWC = 0.05 to 10 grams/cubic meter.

   

A schematic of ISU-IRT

 

KCCI News Report about ISU-IRT on 02/14/2014


Icing Research Tunnel (ISU-IRT) of Iowa State University

 


 

(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)

 


 

              (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)

 


 

  

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)

 



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