High accuracy determination of skin friction differences in an air channel flow based on pressure drop measurements
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Beschreibung
The present work delivers a versatile, accurate and reliable wind tunnel facility that is particularly developed to test different flow control techniques for drag reduction in precisely adjustable test conditions. Skin friction changes of 0.4% are resolved, which is comparable to the most accurate reported studies in liquids. this high accuracy is verified through a comprehensive uncertainty analysis. Subsequently, various passive and active flow control strategies are investigated.
The present work delivers a versatile, accurate and reliable wind tunnel facility that is particularly developed to test different flow control techniques for drag reduction in precisely adjustable test conditions. Skin friction changes of 0.4% are resolved, which is comparable to the most accurate reported studies in liquids. this high accuracy is verified through a comprehensive uncertainty analysis. Subsequently, various passive and active flow control strategies are investigated.
Autor*in
Andreas Güttler
Themen in »High accuracy determination of skin friction differences in an air channel flow based on pressure drop measurements«
Messgenauigkeit Kanalströmung accuracy Wandreibung riblets Druckmessung drag reduction pressure measurement Riblets channel flow