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/min. The average value of each joint was taken from three tensile specimens cut from the same joint. 3 Experimental 3.1 Index of orthogonal experiment The weld porosity, which decreases... of the orthogonal experiment, porosity ratio Xk , can be defined as (1......
. Then single factor experiments of microwave power and irradiation time were performed. 2.6 Orthogonal experiment The L16 (54) program of orthogonal experiment was designed for the MASBE procedure... of solvent at the first extraction in orthogonal experiment are selected to be 4.5, 5.0, 5.5 and 6.0. Fig.1 Effect of pH value of solvent on extraction yield of lignans at the first extraction 3.2......
quality tested by orthogonal experiment Table 3 Variance analysis In addition, the diffusion amount of tin to lead, generally, is more than that of lead to tin. The lead tube has formed when inter...J. Cent. South Univ. Technol. (2011) 18: 1340-1348 DOI: 10.1007/s11771-011-0843-y Orthogonal tests of lead-clad tin bimetal continuous casting by air pressure core-filling LIANG He(梁贺), ZHAO Yong......
, so as to measure the corresponding dimensional change. Table 2 Factor-level form in orthogonal design Table 3 Orthogonal test scheme 3 Results and discussion 3.1 Numeric experiment results 3.1.1... and orthogonal design LI Hong-xu(李洪旭)1, 2, WANG Kai(王开)1, 2, LUO Rong(罗容)1, ZHU Zi-zong(朱子宗)1, DENG Shuai(邓帅)1, LUO Rong(罗荣)3, ZHANG Jing-yi(张靖翊)3, FANG Fei-song(方飞松)3 1. College of Materials Science......
J. Cent. South Univ. (2016) 23: 2048-2062 DOI: 10.1007/s11771-016-3261-3 Multi-species particle swarms optimization based on orthogonal learning and its application for optimal design of a butterfly... hierarchical topology and the orthogonal learning strategy (OMSPSO) is proposed, which enhances the global search ability of particles and increases their convergence rates. The numerical results on 10......
Effects of tool flank wear on orthogonal cutting process of aluminum alloy YUAN Ping(袁 平), KE Ying-lin(柯映林) College of Mechanical and Energy Engineering, Zhejiang University, Hangzhou 310027... and some experiments made also by the authors. Key words: aluminum alloy; orthogonal metal cutting; finite element simulation; tool flank wear; cutting forces, cutting temperature; residual stress 1......
words: intelligent compaction; numerical simulation; dynamic change; control indicators; orthogonal experiment Cite this article as: MA Yuan, LUAN Ying-cheng, ZHANG Wei-guang, ZHANG Yu-qing. Numerical... of the model, thereby verifying the accuracy of the intelligent compaction calculation results for subgrade soil. On this basis, orthogonal tests of the influential factors (frequency, amplitude, and quality......
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60 mL/s, total pressure 20 kPa, infiltration time 15 h. The verification experiment proves the effectiveness of the orthogonal experiments. Under the optimal conditions, the graphitization degree...); graphitization degree; bulk density; orthogonal experiment  ......
, the drawing velocity v) on copper tubes hollow sinking were investigated by using orthogonal experiment. The optimal drawing parameters (α=9°, R=5 mm, L=2 mm, μ=0.05, v=100 m/min) under certain reduction... simulated by FEM, and the simulation results confirmed the effectiveness of the orthogonal experiment in optimizing tubes drawing in hollow sinking. It is of great significant for improving the quality......