supported by the Science and Technology Development Program of Jilin Province(No.20240101122JC)and(No.20240101143JC);the Key Scientific and Technological Research and Development Projects of Jilin Provincial Science and Technology Department(Grant Number 20230201108GX)。
Insufficient interfacial activity and poor wettability between fibers and matrix are the two main factors limiting the improvement of mechanical properties of Carbon Fiber Reinforced Plastics(CFRP).Owl feathers are kn...
financially supported by Sino-German Center for Research Promotion (Grant no.GZ1154).
Bird feathers sustain bending and vibrations during flight.Such unwanted vibrations could potentially cause noise and flight instabilities.Damping could alter the system response,resulting in improving quiet flight,st...
This work was supported by the Chinesisch-Deutsches Zentrumfur Wissenschaftsforderung to SNG and ZDD(Grant No.GZl154);the National Natural Science Foundation of China(Grant Nos.51875281,51861135306)。
Flight feathers of birds interact with the air flow during flight.How the observed low drag and high lift values at wind speeds from 9.0 to 19.8 m/s can be achieved due to the feather aerodynamics remains unknown.In t...
This study was supported by the National Natural Science Foundation of China (Grant Nos. 51575227 and 51706084), the National Key Research and Develop- ment Program of China (Grant No. 2016YFE0132900), the Science and Technology Project of Jilin Provincial Education Department (Grant No. JJKH20170795K2), and the Science and Technology Development Program of Jilin Province (Grant No. 172411GG010040701).
We experimentally studied droplet impact dynamics onto wing feathers of kingfishers. Distilled water droplets with a fixed diameter of 2.06 mm were used as drop liquid and the initial impact velocities of droplets var...
Acknowledgments This work is supported by the Special Funds of National Natural Science Foundation of China (Grant No. 31071928), the International Cooperation Project of National Natural Science Foundation of China (Grant No. 50920105504), the Science Development Foundation of Jilin Province (Grant No. 20090340), the Basic Research of High-speed Rail Joint Funds of the National Natural Science Foundation of China (Grant No. Ul134109), and the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20110061120048)
Many species of owls are able to fly noiselessly, and their wing feathers play an important role for the silent flight. In this paper, we studied the sound suppression mechanism of the eagle owl (Bubo bubo) by Stere...