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Trans. Nonferrous Met. Soc. China 22(2012) 157-163 Numerical calculation of flow field inside TiAl melt during rectangular cold crucible directional solidification YANG Jie-ren, CHEN Rui-run, DING... January 2011 Abstract: Numerical investigations on the flow field in Ti-Al melt during rectangular cold crucible directional solidification were carried out. Combined with the experimental results, 3-D......
J. Cent. South Univ. (2019) 26: 501-514 DOI: https://doi.org/10.1007/s11771-019-4022-x Finite element modeling of convective pore-fluid flow in fluid-saturated porous rocks within upper crust..., the University of Western Australia, Crawley, WA 6009, Australia Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Convective pore-fluid flow (CPFF) plays......
of the pipe (with no porous medium) and the low porosity of the porous material, which in turn causes a reduced resistance against the nanofluid flow. In the second geometry and for a porosity of 0.9... J. Cent. South Univ. (2019) 26: 1976-1999 DOI: https://doi.org/10.1007/s11771-019-4146-z Numerical investigation of laminar heat transfer and nanofluid flow between two porous horizontal concentric......
Flow field simulation of double layer atomizer ZHAO Wen-jun(赵文军), CAO Fu-yang(曹福洋), NING Zhi-liang(宁志良), SUN Jian-fei(孙剑飞) School of Materials Science and Engineering, Harbin Institute... and the secondary atomizer, on gas flow field were investigated by simulation. The effects of primary pressure on gas velocity at the centerline were compared. Water atomizing experiment was carried out to validate......
J. Cent. South Univ. (2019) 26: 852-864 DOI: https://doi.org/10.1007/s11771-019-4054-2 Flow measurement and parameter optimization of right-angled flow passage in hydraulic manifold block HU Jian..., Yanshan University, Qinhuangdao 066004, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: This study was conducted to investigate the flow field......
-resistant dispersion of the material, experiments were conducted at a low flow velocity (0.2 m/s) in a transparent flume of 4 m length, 0.3 m width and 0.3 m height (Figure 2). When testing... J. Cent. South Univ. (2019) 26: 1863-1873 DOI: https://doi.org/10.1007/s11771-019-4140-5 A new clay-cement composite grouting material for tunnelling in underwater karst area ZHANG Cong(张聪), YANG......
: The material flow, temperature rise of the billet and pressing load during equal-channel angular process (ECAP) were studied by using 3D finite element method for Cu at different corner angle of mold... coefficient is larger than that of the corner angle. A good agreement between the simulated and measured material flow is obtained. Key words: finite element method; equal-channel angular pressing......
compression; flow stress; constitutive equation; material parameter modification 在金属塑性成形过程中,精确的本构模型可有效指导成形工艺的制定.目前,铝合金热变形的本构模型主要分为两类[1-2]:一类模型以Zuzin-Browman关系式为经典代表,用幂函数结合指数函数来表征材料流变性能各参数间的特定关系;另一类模型则...; 文献标志码:A Optimization of constitutive equation during hot deformation of 6013 aluminum alloy based on modified material parameters XIAO Gang1, 2, LI Luo-xing1, 2, YE Tuo1, 2 (1......
Article ID: 1003-6326(2005)02-0473-05 Higher order asymptotic fields for mode Ⅰ crack in functionally gradient material DAI Yao(戴 耀)1, YAN Xiu-fa(燕秀发)1 (Department of Engineering Mechanics... material(FGM), which has an exponential variation of elastic modulus along the gradient direction, were obtained through an asymptotic analysis. The Poissons ratio of the FGMs was assumed to be constant......
Characteristics of turbulent flow distribution in branch piping systemYOO Geun-jong, CHOI Hoon-ki, KIM Chul-hwan(School of Mechatronics, Changwon National University, Changwon 641-773, Korea)Abstract:Flow distribution in branch piping system is affected by flow characteristics and different geometric variations. Most of the flow distribution studies are performed with one-dimensional analysis......