SLOTTING

作品数：20被引量：50H指数：5
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相关机构：成都工具研究所有限公司更多>>
相关期刊：《Computer Modeling in Engineering & Sciences》《CES Transactions on Electrical Machines and Systems》《Chinese Journal of Mechanical Engineering》《Petroleum Science》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金重庆市自然科学基金更多>>
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Simulation of directional propagation of hydraulic fractures induced by slotting based on discrete element method
《Petroleum》2023年第4期592-606,共15页Kai Wang Guodong Zhang Feng Du Yanhai Wang Liangping Yi Jianquan Zhang 
supported by National Natural Science Foundation of China(52130409,52004291,51874314);the Fundamental Research Funds for the Central Universities(2022YJSAQ03,2022XJAQ02).
Hydraulic fracturing(HF)technology can safely and efficiently increase the permeability of coal seam,which is conducive to CBM exploration and prevent coal and gas outburst.However,conventional HF fractures tend to ex...
关键词：COAL Directional hydraulic fracturing(DHF) PFC simulation Fracture propagation SLOTTING 
Stress release mechanism of deep bottom hole rock by ultra-high-pressure water jet slotting被引量：1
《Petroleum Science》2023年第3期1828-1842,共15页Hua-jian Wang Hua-Lin Liao Jun Wei Jian-Sheng Liu Wen-Long Niu Yong-Wang Liu Zhi-Chuan Guan Hedi Sllami John-Paul Latham 
support of the National Key Research and Development Program of China(2021YFE0111400);the Shandong provincial natural science foundation(No.ZR2019MEE120);the horizon programme of the EU's funding of the ORCH YD project,EU-H2020(101006752-ORCHYD).
To solve the problems of rock strength increase caused by high in-situ stress,the stress release method with rock slot in the bottom hole by an ultra-high-pressure water jet is proposed.The stress conditions of bottom...
关键词：Hard rock SLOTTING Stress release Down hole pressures Poroelastic mechanics Fluid-structure Interaction Ultra-high-pressure water jet 
Loss Analysis of Magnetic Gear with Slotted in Magnetic Modulation Ring
《CES Transactions on Electrical Machines and Systems》2023年第1期110-117,共8页Can Tan Wei Liu Yingying Rao Weizhao Tang Libing Jing 
supported in part by National Natural Science Foundation of China and China Postdoctoral Science Foundation.(Project No.51707072,2018M632855).
In order to improve the operation efficiency of coaxial magnetic gear(CMG),in this paper,a CMG model with slotted in magnetic modulation ring is proposed.In this model,the permanent magnets(PMs)of internal and externa...
关键词：Coaxial magnetic gear Electromagnetic torque Halbach array LOSS SLOTTING 
Switching mechanism and optimisation research on a pressure-attitude adaptive adjusting coal seam water jet slotter被引量：1
《International Journal of Mining Science and Technology》2022年第6期1167-1179,共13页Yiyu Lu Yangkai Zhang Jiren Tang Qi Yao 
supported by the National Natural Science Foundation Outstanding Youth Fund(No.51625401);the Chongqing Natural Science Foundation(No.cstc2018jcyjAX0542);the Program for Changjiang Scholars and Innovative Research Team in Chongqing University(No.IRT17R112).
To investigate the attitude-switching mechanisms of existing jet slotters,which integrate drilling,punching and slotting operations,and to improve its fracture ability,we used the power bond diagram theory to analyse ...
关键词：Gas drainage Water jet slotting Pressure-attitude adaptive adjustment Power bond diagram Multi-index orthogonal test Gas drainage practice 
Research on Slotting and Concrete Construction Technology of Frame Girders and Gravel High Slope in Alpine Area
《外文科技期刊数据库(文摘版)工程技术》2022年第1期227-230,共4页WUShujian 
Artificial or mechanical slotting and concrete construction technology for high slope protection have been widely used in water conservancy, highway, railway and other projects, and the construction quality is directl...
关键词：sand gravel high slope GROOVE concrete the construction technology 
3D printed fiber sockets for plug and play micro-optics被引量：3
《International Journal of Extreme Manufacturing》2021年第1期122-129,共8页Parvathi S Nair Jonathan Trisno Hongtao Wang Joel K W Yang 
funded by Singapore University of Technology and Design(SUTD)—Temasek Lab through the grant IGDSP1602051。
Integrating micro-optical components at the end facet of an optical fiber enables compact optics to shape the output beam(e.g.collimating,focusing,and coupling to free space elements or photonic integrated circuits).H...
关键词：integrated socket alignment fiber slotting fiber connector two-photon polymerization lithography 
From file to factory: Innovative design solutions for multi-storey timber buildings applied to project Zembla in Kalmar, Sweden被引量：1
《Frontiers of Architectural Research》2019年第1期1-16,共16页Alex Kaiser Magnus Larsson Ulf Arne Girhammar 
A "file-to-factory" process of computer technology is a way to both maximise efficiency throughout the building process, in crease a buildi ng's performance, and be able to add interesting architectural possibilities ...
关键词：Multi-storey timber BUILDINGS File-to-factory Modular systems Grid SHELLS SLOTTING Living CAPSULES 
Progress on the hydraulic measures for grid slotting and fracking to enhance coal seam permeability被引量：6
《International Journal of Mining Science and Technology》2017年第5期867-871,共5页Lu Yiyu Ge Zhaolong Yang Feng Xia Binwei Tang Jiren 
supported by the National Natural Science Foundation of China(Nos.51374258,51504046,51404045);Program for Changjiang Scholars and Innovative Research Team in University of China(No.IRT13043);the National Basic Research Program of China(No.2014CB239206)
A method of hydraulic grid slotting and hydraulic fracturing was proposed to enhance the permeability of low permeability coal seam in China. Micro-structural development and strength characteristics of coal were anal...
关键词：Coal SEAM PERMEABILITY High pressure water JET GRID SLOTTING and fracking Gas extraction 
Analysis and Numerical Simulation for Tunnelling Through Coal Seam Assisted by Water Jet被引量：2
《Computer Modeling in Engineering & Sciences》2016年第5期375-393,共19页Dengfeng Su Yong Kang Xiaochuan Wang andan Zheng Dongyang Li Binyuan Yan Fuwen Yan 
Financial support for this work,provided by the National Basic Research of China(2014CB239203);the National Natural Science Foundation of China(51474158);also supported by Program for New Century Excellent Talents in University(NCET-12-0424);The authors would like to thank the State Key Laboratory of Coal Mine Disaster Dynamics and Control and Hubei Key Laboratory of Waterjet Theory&New Technology.
Tunnel though coal seam is one of the most difficult tunnels since its risk of coal and gas outburst and the complex geological conditions.According to the directional cutting of water jet and the characteristic of th...
关键词：Tunnel THOUGH coal SEAM Directional cracking Water jet SLOTTING ANSYS/LS-DYNA 
An Experimental Study on Slotting of Inconel 718 Thin Sheet
《Journal of Mechanics Engineering and Automation》2015年第11期601-608,共8页Hiroyuki Kodama Koichi Okuda Tomoya Hayase 
Many difficult-to-cut materials such as Ni-base super alloy, titanium alloy, and austenite stainless steel which are used extensively in aerospace generally have high strength-to-weight ratios, high corrosion resistan...
关键词：SLOTTING Ni-base super alloy thin sheet end-milling. 
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