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J. Cent. South Univ. (2018) 25: 230-240 DOI: https://doi.org/10.1007/s11771-018-3732-9 A prediction method of rail grinding profile using non-uniform rational B-spline curves and Kriging model YANG... a prediction method of the rail grinding profile for a grinding train. As a worn rail profile is a free-form curve, the parameterized model of a rail profile is constructed by using the cubic NURBS curve. Taking......
Theoretical investigation of micropolar fluid flow between two porous disksP. Valipour1, S. E. Ghasemi2, M. Vatani3(1. Department of Textile and Apparel, Qaemshahr Branch, Islamic Azad...; porous disks; micropolar fluid flow; optimal homotopy asymptotic method (OHAM); microrotation......
J. Cent. South Univ. (2019) 26: 3261-3278 DOI: https://doi.org/10.1007/s11771-019-4251-z Surface integrity and flexural strength improvement in grinding partially stabilized zirconia Javad KHODAII1...: Zirconia has been used in medical applications since last few years and an optimum and cost-effective condition in grinding zirconia has drawn industrial attention. This paper aimed to improve......
Hydriding/dehydriding properties of Mg-Ni-based ternary alloys synthesized by mechanical grinding CHEN Yu-an(陈玉安)1, 2, YANG Li-ling(杨丽玲)1, LIN Jia-jing(林嘉靖)1, CHENG Ji(程 绩)1, PAN Fu-sheng(潘复生)1... by mechanical grinding. The phases in the alloys and the hydriding/dehydriding properties of the alloys were investigated. Mg2Ni and Mg are the main hydrogen absorption phases in the alloys by XRD analysis......
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J. Cent. South Univ. Technol. (2011) 18: 848-853 DOI: 10.1007/s11771-011-0772-9 Simulation of pore scale fluid flow of granular ore media in heap leaching based on realistic model YANG Bao-hua(杨保... directly. By using these models, the simulations of pore scale fluid flow among particles were conducted with the COMSOL Multiphysics, and the distribution characteristics of fluid flow velocity......
Computational simulation of fluid dynamics in a tubular stirred reactor CAO Xiao-chang(曹晓畅), ZHANG Ting-an(张廷安), ZHAO Qiu-yue(赵秋月) School of Materials and Metallurgy, Northeastern... were validated with experimental residence time distribution(RTD) determination. It is shown that the fluid flow is very turbulent and the flow pattern approaches to the plug flow. The velocity increases......
; 文献标志码:A 文章编号:1672-7207(2017)05-1127-07 Grinding kinetic behaviors of Au-Cu ore from Zijinshan by different... pressure grinding rolls (HPGR) and jaw crusher(JC), and batch grinding test of the product crushed by different crushing processes was carried out. Grinding speed of each particle size of the products......
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J. Cent. South Univ. (2016) 23: 77-85 DOI: 10.1007/s11771-016-3051-y Integrity of grinding face-gear with worm wheel TANG Jin-yuan(唐进元), CUI Wei(崔伟), ZHOU Heng(周恒), YIN Feng(尹凤) State Key Laboratory... of the grinding integrity of face-gear with worm wheel, the envelope mathematical model of shaper, worm wheel and face-gear is established based on theories of differential geometry and gear mesh......