Liquid Crystal Thermography Techniques

2020 ◽  
pp. 171-199
Author(s):  
Je-Chin Han ◽  
Lesley M. Wright
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Thermography

The Role of Two-Dimensional Roughness Element in the Laminar-Turbulent Process in the Favorable Pressure Gradient of the Swept Wing

2014 ◽  
Vol 9 (4) ◽  
pp. 65-73
Author(s):  
Stepan Tolkachev ◽  
Valeria Kaprilevskaya ◽  
Viktor Kozlov
Keyword(s):  
Liquid Crystal ◽  
Roughness Element ◽  
Frequency Interval ◽  
Two Dimensional ◽  
Swept Wing ◽  
Liquid Crystal Thermography ◽  
Roughness Elements ◽  
Favorable Pressure Gradient ◽  
Turbulent Process

In the article using a liquid crystal thermography investigated the development of stationary and secondary disturbances, which were excited by cylindrical and two-dimensional roughness elements. It was shown, that two-dimensional roughness element has a destabilizing effect on disturbances, induced by cylindrical roughness element. Also the twodimensional roughness element is able to excite the stationary structures, and then the secondary disturbances the frequency interval of which is lower than in the case of stationary vortices excitation by cylindrical roughness element

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