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Emil Smyk, Joanna Wilk and Marek Markowicz
In this paper, synthetic jet actuators (SJAs) with three different orifice shapes (circular, square, and slot) with the same cross-section area were investigated. The SJA efficiency and the synthetic jet (SJ) Reynolds number were calculated based on the ...
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Nikola Lopac, Irena Jurdana, Jonatan Lerga and Nobukazu Wakabayashi
The real-life signals captured by different measurement systems (such as modern maritime transport characterized by challenging and varying operating conditions) are often subject to various types of noise and other external factors in the data collectio...
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Lorenzo Frezza, Paolo Marzioli, Fabio Santoni and Fabrizio Piergentili
The usage of aeronautical radio-frequency navigational aids can support the future stratospheric aviation as back-up positioning systems. Although GNSS has been extensively redundant in the last years of space operations, radio NavAids can still be suppo...
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Joon H. Ahn, Hyun J. Hwang, Sehoon Chang, Sung Nam Jung, Steffen Kalow and Ralf Keimer
This paper describes an evaluation of the structural properties of the next-generation active twist blade using X-ray computed tomography (CT) combined with digital image processing. This non-destructive testing technique avoids the costly demolition of ...
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Jichao Liu, Cheng Wang, Peiyu Zhang, Min Gui, Lijia Tong and Bin Li
Aluminizing is a common protective coating for aeroengine turbine blades, but there is no method to accurately measure the aluminized thickness. X-ray fluorescence nondestructive testing technology is a method which can basically realize the measurement ...
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