A children's folk rhyme describing people's behavior during the Spring Festival,China's most important annual holiday which fell on January 29 this year,goes:"They buy meat,sugar,nuts and staple foods,as well as clean...
Supported by the Guangdong Provincial Natural Science Foundation of China under Grant No.2021A1515011917;the National Natural Science Foundation of China under Grant No.52371344 and U22A2012;Fundamental Research Funds for the Central Universities,Sun Yat-sen University under Grant No.22qntd0601;the start-up funding to Y.J.from Sun Yat-sen University.
To explore the water entry flow and impact load characteristics of northern gannets,we conducted water entry experiments using a northern gannet’s head model based on three-dimensional(3D)printing and several cone mo...
supported by the Na‑tional Natural Science Foundation of China(No.52075241);the National Key Laboratory of Science and Technology on Helicopter Transmission(Nanjing University of Aeronau‑tics and Astronautics)(Nos.HTL-A-22K04 and HTL-O21G13).
The intermediate gearbox of a helicopter operates under splash lubrication.If the bearing produces metal particles due to insufficient lubrication or wear,whether it can be adsorbed by the metal particles signal at th...
supported by the Independent Research and Development Projects of State Key Laboratory of Heavy Duty AC Drive Electric Locomotive Systems Integration(No.R111720H01385),China.
In this study,we investigate the effect of rail vibrations on the lubrication and efficiency of a splash-lubricated gearbox;specifically,the gearbox of a rail-transit vehicle.A high-fidelity 3D numerical model of the ...
Natural Science Foundation of China,No.42077058,No.41601282,No.41867015;Young Talent Fund of University Association for Science and Technology in Shaanxi,China,No.20210705;Fundamental Research Funds for Central Universities,No.GK202309005;Shaanxi Provincial Key Research and Development Program,No.2021ZDLSF05-02。
Effective soil particle size composition can more realistically reflect the particle size sorting process of erosion.To reveal the individual contributions of rainfall intensity and slope to splash erosion,and to dist...
supported by the National Natural Science Foundation of China(Grant No.51976056)。
Laser-induced cavitation bubble has been widely used to investigate the mechanisms of hydraulic machinery cavitation erosion and to explore applications in atomization, alloy strengthening, ultrasonic chemistry, biome...
This work was supported by the Shandong Natural Science Foundation(Grant No.ZR2022ME008);the Shenzhen Science and Technology Program(KCXFZ20201221173409026);the Young Scholars Program of Shandong University(YSPSDU,No.2018WLJH73);the Open Project of State Key Laboratory of Clean Energy Utilization,Zhejiang University(Program No.ZJUCEU2020011);the Shandong Natural Science Foundation(Grant No.ZR2021ME118).
In recent years,water collecting systems,with the associated advantages of energy saving and noise reduction,have become the foundation for the development of a scheme to optimize the structure of cooling towers.To ex...
Project supported by the National Natural Science Foundation of China(Grant No.52131102);the National Key Research and Development Program of China(Grant Nos.2022YFC2806705,2019YFB1704200).
When a partially loaded liquid container vibrates along the vertical direction,the liquid inside will oscillate regularly,which is called Faraday wave.In some cases,the wave form of the Faraday wave is stable and smoo...
Project supported by the National Natural Science Foundation of China(Grant Nos.12293000,12293003,12293004,12122214,12202291 and 12272382);the Youth Innovation Promotion Association CAS(Grant No.2022019).
When it is generated in extreme vicinity to a water surface,an oscillating bubble bursts into the atmosphere and high-pressure gas is simultaneously exhausted from it,forming a splash sheet and an open cavity.The dyna...
Supported by the Natural Science Foundation of China under Grant Nos.52171294 and 52192692。
This paper presents experimental results on configuration hydrodynamics.Three models are used in the model tests,which are typical of hard,round,and soft chines.Although specific values are different,the influence pat...