Experimental studies of damage to aircraft skin under the influence of raindrops
Sha M. Sun Y. Yulong L. Goncharenko V.I. Oleshko V.S. Ryapukhin A.V. Yurov V.M.
2023Techno-Press
Advances in Aircraft and Spacecraft Science
2023#10Issue 6555 - 572 pp.
Airplanes in flight collide with raindrops, and the leading edges of the airframe can be damaged when colliding with raindrops. A single waterjet testing platform was created to study rain erosion damage. Carbon fiber samples with three types of skins were studied and the mechanical properties were measured using a nanoindentation instrument. The research results show that the impact force on the sample increases with the continuous increase in the impact speed of raindrops, which leads to an increase in the damage area. Sheathing with low surface roughness is more damaged than other sheathings due to its rougher surface, and the result proves that surface roughness has a more significant effect on rain erosion damage to sheathings compared to their hardness. Copyright
coating , composite material , impact dynamics , rain erosion damage , single jet
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School of Civil Aviation, Northwestern Polytechnical University, Shaanxi, Xi’an, 710072, China
Shaanxi Impact Dynamics and Engineering Application Laboratory, Shaanxi, Xi’an, 710072, China
NPU Yangtze River Delta Research Institute, Suzhou, 215400, China
Moscow Aviation Institute, Volokolamskoe Highway 4, Moscow, 125993, Russian Federation
Karaganda Technical University, Nazarbaev Street 56, Karaganda, 100056, Kazakhstan
School of Civil Aviation
Shaanxi Impact Dynamics and Engineering Application Laboratory
NPU Yangtze River Delta Research Institute
Moscow Aviation Institute
Karaganda Technical University
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