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Application of orthogonal experimental design and Tikhonov regularization method for the identification of parameters in the casting solidification process Zhenshan CUI1,Dashan SUI1 (1.National Die... coefficient and Newton-Raphson iteration method. Moreover, the orthogonal experimental design was used to estimate the ap-propriate initial value and variation domain of each variable to decrease the number......
process and the joints were examined by X-ray diffractometry analysis and mechanical tests. The orthogonal experimental design was used to study the influence of plasma-MIG welding parameters on the aluminum weld porosity. The mixed orthogonal matrix L16(44×23) and analysis of variance (ANOVA) technique were employed to optimize the welding parameters. The experimental results indicate that the effect......
102249, China) Abstract: In order to optimize plastic viscosity of 18 mPa·s circulating micro-bubble drilling fluid formula, orthogonal and uniform experimental design methods were applied... micro-bubble drilling fluid parameters. Key words: orthogonal experimental design; uniform experimental design; circulating micro-bubbles; plastic viscosity; multiple regression experimental design 1......
on the above experiment results of the single-factor. Optimization of synthetic technology can be carried out by using an experimental design. The results of the orthogonal test and extreme difference... 981 cm-1 and 865 cm-1 (N=C=S), 1 715 cm-1 (C=O) and 1 250 cm-1 (O-C). The measured data are consistent with literature values [16]. Table 2 Form of orthogonal test and experimental results Table 3......
obtained by experiments with orthogonal experimental design that the Ar flow rate is 1.0?1.5 L/min, the degassing time is 20?25 min and the temperature of magnesium melt is 725?750 ℃. The degassing... with the real values because hydrogen enters into magnesium melt with degassing under real condition. Key words: magnesium alloy melt; degassing; orthogonal experimental method; thermodynamics......
coevolution; orthogonal experimental design; butterfly-shaped patch antenna 1 Introduction Patch antennas are widely used in wireless communication systems because of their advantages, such as low... from the ecosystem. 2.3 Orthogonal experimental design 2.3.1 Traditional PSO learning mechanism In the traditional PSO, each particle updates its flying velocity and position according to its personal......
of 8-9. 2.2 Orthogonal experimental design The pumping area can be filled with copolymer grouts by stuffing, infiltrating, and compaction grouting. The grouts concretion bodies can improve... L9(34) [16] was used to array the factors. The orthogonal factorial design is shown in Table 2. Table 2 Factors and levels for orthogonal test (mass fraction) 2.3 Experimental method......
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J. Cent. South Univ. Technol. (2008) 15(s1): 492-495 DOI: 10.1007/s11771-008-407-y Factors influencing HPAM solution viscosity prepared by produced water using orthogonal method KANG Wan-li(康万利... of orthogonal method. Five factors and 4 levels were considered for the orthogonal design. The five factors included temperature, contents of Na+, Mg2+, Ca2+ and S2-, and the four levels mainly considered......
Orthogonal experiment and microstructure analysis on TiC-TiB2 multi-phase ceramic coating prepared by SHS reactive spraying DU Xin-kang(杜心康)1, 2, WANG Jian-jiang(王建江)1, WANG Tian-min(王天民)2, LIU...-combustion agglomerated particles composed of Ti, B4C and C powders, TiC-TiB2 multi-phase ceramic coatings were prepared on the steel substrates. Orthogonal experiment was carried out to optimize......