云南高校图书馆联盟文献共享服务平台- RATCHET

RATCHET: 作品数：48被引量：16H指数：2; 导出分析报告; 相关作者：宋爱民王钢许坤远邓迎春王丹更多>>; 相关机构：曲阜师范大学曼彻斯特大学中山大学华南师范大学更多>>; 相关期刊：《Geoscience Frontiers》《Chinese Physics Letters》《Journal of Chemistry and Chemical Engineering》《Journal of Energy and Power Engineering》更多>>; 相关基金：国家自然科学基金广东省自然科学基金上海市教育委员会重点学科基金中国博士后科学基金更多>>

Topology optimization of a ratchet compensation structure subject to periodic constraints: 《High-Speed Railway》2024年第4期230-240,共11页Taining Qi Tao Yan Shiju Song Yu Zhu Geng Chen; supported by the National Natural Science Foundation of China(Grant No.52075033);Research and Development Plan of REG(Grant No.2023-20)。; The railway pantograph-catenary system employs a ratchet compensation device to sustain the tension of the contact wire.However,the excessive weight associated with the ratchet structure adversely affects the performa...; 关键词：Topology optimization SIMP density-based method Ratchet compensation device ANSYS Workbench

Selective liquid directional steering enabled by dual-scale reentrant ratchets被引量：3: 《International Journal of Extreme Manufacturing》2023年第2期266-273,共8页Jing Sun Xuezhi Qin Yuxin Song Zhenyu Xu Chao Zhang Wei Wang Zhaokun Wang Bin Wang Zuankai Wang; financial support from the ITF(GHP/021/19SZ);Shenzhen Science and Technology Innovation Council (9240061 and JCYJ20200109143206663);National Natural Science Foundation of China (No.51975502);Research Grants Council of Hong Kong(No. C1006-20WF, No. 11213320);Science and Technology Planning Project of Guangdong Province (No.2021A0505110002);Shenzhen-Hong Kong Joint Innovation Project (No. SGDX2019091716460172)。; Achieving well-controlled directional steering of liquids is of great significance for both fundamental study and practical applications, such as microfluidics, biomedicine, and heat management. Recent advances allow ...; 关键词：liquid spreading reentrant ratchet dual-scale structures

Quantitative simulations of ratchet potential in a dusty plasma ratchet: 《Chinese Physics B》2022年第6期518-521,共4页Shuo Wang Ning Zhang Shun-Xin Zhang Miao Tian Ya-Wen Cai Wei-Li Fan Fu-Cheng Liu Ya-Feng He; supported by the National Natural Science Foundation of China(Grant Nos.11975089 and 11875014);the Interdisciplinary Research Program of Natural Science of Hebei University(Grant No.DXK202010);the Hebei Natural Science Fund(Grant Nos.A2021201003 and A2021201010)。; Using a dusty plasma ratchet,one can realize the rectification of charged dust particle in a plasma.To obtain the ratchet potential dominating the rectification,here we perform quantitative simulations based on a two-...; 关键词：dusty plasma ratchet potential

Ratchet transport of self-propelled chimeras in an asymmetric periodic structure: 《Chinese Physics B》2022年第4期201-207,共7页Wei-Jing Zhu Bao-Quan Ai; Project supported by the National Natural Science Foundation of China(Grant No.12075090);the Key-Area Research and Development Program of Guangdong Province,China(Grant No.2019B030330001);the Science and Technology Program of Guangzhou City(Grant No.2019050001);the Natural Science Foundation of Guangdong Province,China(Grant No.2017A030313029);the Major Basic Research Project of Guangdong Province,China(Grant No.2017KZDXM024)。; We studied the rectified transport of underdamped particles subject to phase lag in an asymmetric periodic structure.When the inertia effect is considered,it is possible to observe reversals of the average velocity wi...; 关键词：Brownian motion self-propelled particles stochastic processes

Optomechanical ratchet resonators: 《Science China(Physics,Mechanics & Astronomy)》2022年第3期19-25,共7页Wenjie Nie Leqi Wang Yu Wu Aixi Chen Yueheng Lan; supported by the National Natural Science Foundation of China(Grant No.12065008);the Key Project of Youth Science Foundation of Jiangxi Province(Grant No.20192ACBL21001);the Outstanding Youth Project of Jiangxi Province(Grant No.20192BCBL23007);supported by the National Natural Science Foundation of China(Grant No.11775190);supported by the National Natural Science Foundation of China(Grant No.11775035)。; We describe an optomechanical ratchet scheme to realize nonreciprocal transmission of a light field, which is based on the bias of the optical cavity’s frequency spectrum caused by mechanical ratchet interactions. Th...; 关键词：OPTOMECHANICS nonreciprocal transmission Casimir effect ratchet effect

谱正Lévy过程下的Ratchet分红策略与Barrier策略的混合研究: 《应用数学进展》2021年第11期3687-3692,共6页刘海晓吕玉华; 本文主要研究谱正Lévy过程下的混合分红策略。对公司的盈余过程进行如下两种策略的混合:首先让其执行Ratchet分红策略;而后待盈余水平到达预先设置的高度界限时,立即执行Barrier分红策略,将所有投资收益全部分红给公司股东。文章...; 关键词：谱正Lévy过程 Ratchet策略 Barrier策略分红值函数分红率

Heat transfer and flow structure of two-dimensional thermal convection over ratchet surfaces被引量：1: 《Journal of Hydrodynamics》2021年第5期970-978,共9页Cheng Wang Lin-feng Jiang He-chuan Jiang Chao Sun Shuang Liu; supported by the Natural Science Foundation of China(Grant Nos.11988102,91852202);the China Postdoctoral Science Foundation(Grant No.2019M660614).; This paper presents a numerical study of the Rayleigh-Benard convection(RBC)in two-dimensional cells with asymmetric(ratchet)roughness distributed on the top and bottom surfaces.We consider two aspect ratios of roughn...; 关键词：Turbulent convection ratchet roughness heat transfer flow structure

A dynamical transition of a chain of charged particles in a 2D substrate potential: 《Communications in Theoretical Physics》2020年第7期116-122,共7页Xiao-Ping Yuan Li-Yan Qiao Xia Huang; Zhejiang Province Commonweal Projects(Grant No.LGF18A050001);China Scholarship Council(Grant No.201708330401);National Natural Science Foundation of China(Grant No.11605055);Fundamental Research Funds for the Central Universities of China(Grant No.2017MS054)。; The transport of a chain of charged particles with a transverse degree of freedom is investigated in a 2D asymmetric potential.Here,the energy of the periodic driving force is converted into motion in the vertical dir...; 关键词：collective transport driven Frenkel–Kontorova model cooperative ratchet

Directional motion of dust particles at different gear structuresin a plasma被引量：2: 《Chinese Physics B》2020年第2期362-365,共4页Chao-Xing Dai Chao Song Zhi-Xiang Zhou Wen-Tao Sun Zhi-Qiang Guo Fu-Cheng Liu Ya-Feng He; Project supported by the National Natural Science Foundation of China(Grant No.11975089);the Program for National Defense Science and Technology Innovation Special Zone of China;the Program for Young Top-Notch Talents of Hebei Province of China.; Directional motion of dust particles in a dusty plasma ratcnet is observed experimentally.The dusty plasma ratcnet consists of two concentric gears with asymmetric sawtooth.It is found that the sawtooth number affects...; 关键词：DUSTY PLASMA RATCHET

Ratchet transport of overdamped particles in superimposed driven lattices被引量：1: 《Chinese Physics B》2019年第4期108-112,共5页Shu-Na Huang Wei-Jing Zhu Xiao-Qun Huang Bao-Quan Ai Feng-Guo Li; Project supported by the National Natural Science Foundation of China(Grant Nos.11575064 and 11175067);the PCSIRT(Grant No.IRT1243);the GDUPS Project(2016);the Natural Science Foundation of Guangdong Province,China(Grant Nos.2016A030313433 and 2017A030313029);the Innovation Project of Graduate School of South China Normal University; Ratchet transport of overdamped particles is investigated in superimposed driven lattices using Langevin dynamics simulations. It is found that noise can strongly affect the transport of the particles. When lattices d...; 关键词：GAUSSIAN WHITE noise superimposed DRIVEN LATTICES RECTIFICATION

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