CYLINDER

作品数：628被引量：909H指数：10
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相关领域：理学更多>>
相关作者：郑士成沈兴东张百海王涛江泽民更多>>
相关机构：天津大学清华大学北京理工大学北京航空航天大学更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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Research on the Dynamic Characteristics of the Hybrid Aerial Underwater Vehicle: Low-velocity Water Exit
《哈尔滨工程大学学报(英文版)》2025年第2期323-330,共8页Honglu Yun Yufei Jin Hongfei Xie Zheng Zeng Lian Lian 
supported in part by the National Natural Science Foundation of China under Grant No.41706108;the Science and Technology Commission of Shanghai Municipality Project 20dz1206600;the Natural Science Foundation of Shanghai under Grant No.20ZR1424800;the Oceanic Interdisciplinary Program of Shanghai Jiao Tong University under Grant No.SL2022ZD106;the Natural Science Foundation of Chongqing under Grant No.cstc2021jcyj-msxmX0650.
This study investigates the hydrodynamic process of a cylinder ejected from the water’s surface through high-speed camera experiments.Using digital image processing methods,the images obtained through experiments are...
关键词：Low-velocity Water exit CYLINDER Pop-up height OSCILLATION 
A High-Order Numerical Method Based on Legendre Polynomial Approximation for Fourth-Order Eigenvalue Problem in Cylinder Domain
《Journal of Mathematical Research with Applications》2025年第2期195-219,共25页Jun ZHANG Jihui ZHENG Fangying SONG 
Supported by the National Natural Science Foundation of China(Grant No.12261017);the Scientific Research Foundation of Guizhou University of Finance and Economics(Grant No.2022ZCZX077)。
In this work, an efficient spectral method is proposed to solve the fourth-order eigenvalue problem in cylinder domain. Firstly, the key point of this method is to decompose the original model into a kind of decoupled...
关键词：fourth-order equation decoupled reduced-dimension formulation Legendre-Galerkin method error estimate cylinder domain 
A WKB method based on parabolic cylinder function for very-low-frequency sound propagation in deep ocean
《Chinese Physics B》2025年第3期433-446,共14页Jian-Kang Zhan Sheng-Chun Piao Li-Jia Gong Yang Dong Yong-Chao Guo Guang-Xue Zheng 
Project supported by the National Natural Science Foundation of China(Grant Nos.12174048 and 12204128)。
A Wentzel-Kramers-Brillouin(WKB)method is introduced for obtaining a uniform asymptotic solution for underwater sound propagation at very low frequencies in deep ocean.The method utilizes a mode sum and employs the re...
关键词：WKB method normal modes very-low-frequency sound propagation parabolic cylinder function 
Industrial Untapped Rotational Kinetic Energy Assessment for Sustainable Energy Recycling
《Energy Engineering》2025年第3期905-927,共23页See Wei Jing Md Tanjil Sarker Gobbi Ramasamy Siva Priya Thiagarajah Fazlul Aman 
The APC was funded by Research Management Center, Multimedia University, Malaysia.
Electrical energy can be harvested from the rotational kinetic energy of moving bodies,consisting of both mechanical and kinetic energy as a potential power source through electromagnetic induction,similar to wind ene...
关键词：Rotational kinetic energy electromagnetic induction energy harvesting disk-shaped body cylinder-shaped body energy efficiency mechanical loss industrial energy recycling sustainable energy solutions 
Birkhoff Orbits for Twist Homeomorphisms on the High-Dimensional Cylinder
《Wuhan University Journal of Natural Sciences》2025年第1期43-48,共6页ZHOU Tong 
Supported by the National Natural Science Foundation of China(12201446);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(22KJB110005);the Shuangchuang Program of Jiangsu Province(JSSCBS20220898)。
It is known that monotone recurrence relations can induce a class of twist homeomorphisms on the high-dimensional cylinder,which is an extension of the class of monotone twist maps on the annulus or two-dimensional cy...
关键词：monotone recurrence relation twist homeomorphism high-dimensional cylinder bounded action Birkhoff orbit 
Stress anisotropy regulated wrinkling pattern evolution on a core-shell soft cylinder
《Science China(Physics,Mechanics & Astronomy)》2025年第2期132-144,共13页Yan Zhao Zhipan Jie Yilong Zhang Guo-Yang Li Yanping Cao Chao Jiang 
the support from the National Natural Science Foundation of China(Grant Nos.12272130,and 11902114);the support from the National Natural Science Foundation of China(Grant No.52235005);the Natural Science Foundation for Excellent Young Scholars of Hunan Province(Grant No.2022JJ20003);the support from“The Fundamental Research Funds for the Central Universities,Peking University”。
Diverse wrinkling patterns can occur on curved bilayer systems under differential growth or expansion.In such systems,stress anisotropy is frequently encountered,and the coupling effect of curvature and stress anisotr...
关键词：wrinkling pattern evolutionary path stress anisotropy dimensionless curvature core-shell soft cylinder 
Investigation on the cylindrical bubble dynamics near a wall with an arched bulge
《Journal of Hydrodynamics》2024年第6期1073-1082,共10页Yu-fei Wang Shu-zheng Hu Zheng-yang Feng Ya-bin Liu Xiao-yu Wang Yu-ning Zhang 
financially supported by the Postdoctoral Fellowship Program of CPSF(Grant No.GZC20240466).
In this paper,the collapse dynamic properties of the cylindrical bubble near an arched cylinder bulge are researched relying on the conformal transformation and Kelvin impulse model.The properties of the liquid veloci...
关键词：Bubble collapse dynamics cylindrical bubble arched cylinder bulge Kelvin impulse conformal transformation 
An investigation of cavitation control using a porous material on a hemispherical cylinder at various cavitation numbers
《Journal of Hydrodynamics》2024年第5期870-882,共13页Fei-peng Yu Yi-gan Zhang Hao-kun Li Ze-hui Qu Hua-ping Liu 
supported by the National Natural Science Foundation of China(Grant No.52276030).
In this paper,a passive control method based on a porous material is applied to the surface of a hemispherical cylinder to control a cavitating flow,and the control effect of this method at different cavitation numbe...
关键词：Cavitation control porous material Kelvin-Helmholtz instability spatial distribution 
3D Roughness Prediction Modeling and Evaluation of Textured Liner of Piston Component-Cylinder System
《Chinese Journal of Mechanical Engineering》2024年第5期203-215,共13页Yanjun Lü Cheng Liu Yongfang Zhang Cheng Jiang Xudong Bai Zhiguo Xing 
Supported by National Natural Science Foundation of China(Grant No.52075438);Key Research and Development Program of Shaanxi Province of China(Grant No.2024GX-YBXM-268);Open Project of State Key Laboratory for Manufacturing Systems Engineering of China(Grant No.sklms2020010).
In this study,a machine vision method is proposed to characterize 3D roughness of the textured surface on cylinder liner processed by plateau honing.The least absolute value(L∞)regression robust algorithm and Levenbe...
关键词：Surface texture Cylinder liner 3D roughness Neural network 
Suppression of Vortex-Induced Vibration Caused by A Terebridae-Inspired Cylinder with Different Helical Angles
《China Ocean Engineering》2024年第5期739-754,共16页YU Qi-dong MAO Zhao-yong TIAN Wen-long WANG Wei 
supported by the Joint Postdoc Scheme with Non-local Institutions of the Hong Kong Polytechnic University(Grant No.1-YY4P).
Biomimetic design has recently received widespread attention.Inspired by the Terebridae structure,this paper provides a structural form for suppressing vortex-induced vibration(VIV)response.Four different structural f...
关键词：vortex-induced vibration(VIV) Terebridae CYLINDER SUPPRESSION helical angle 
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