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冶金搅拌管式反应器内液/固两相流模拟的研究赵秋月1,张廷安1,曹晓畅1,刘燕1,蒋孝丽1(1.辽宁省沈阳市东北大学材料与冶金学院多金属共生矿教育部重点实验室)摘 要:以新型冶金多相流搅拌管式反应器为研究对象,建立了搅拌反应器内的液/固两相流动数学模型,采用数值模拟的方法研究了管式反应器内两相流场的速度分布,浓度分布及临界悬浮转速,并与实验结果进行对比.结果表明,增加搅拌装置的管式反应器与传统管式反应器相比,湍流性能大大增强,且不存在流动死区,在搅拌转速为150 r/min时,两相流获得的最大速度为1.58 m/......
Experimental study on magnetomechanical coupling effect of Q235 steel tubular member specimens XIONG Er-gang(熊二刚)1, WANG She-liang(王社良)2, ZHANG Jun-feng(张俊峰)3, ZHANG Qian(张 倩)4 1. College... tests were performed on Q235 steel tubular model specimens in NIM-2000HF magnetomechanical coupling equipment. The hysteresis loops were obtained in different magnetic fields and stresses......
Mechanical, electrical, and thermal expansion properties of carbon nanotube-based silver and silver–palladium alloy compositesHemant Pal1,2摘 要:The mechanical, electrical, and thermal expansion properties of carbon nanotube(CNT)-based silver and silver–palladium(10:1, w/w) alloy nanocomposites are reported. To tailor the properties of silver, CNTs were......
junction (TJ) containing a twin boundary (TB) in nanocrystalline palladium has been observed along the common axis direction.Molecular statics calculation and imaging simulation were performed......
Modeling and experimental verification of tubular product formation during spray forming LIU Dong-ming(刘东明)1, 2, ZHAO Jiu-zhou(赵九洲)3, LI Mu-sen(李木森)1, 2 1. Key Laboratory of Liquid Structure... geometry of a tubular product prepared by spray forming. The effects of several important processing parameters on the shape evolution of the tube are investigated. The model is validated against......
on selenium and tellurium separation from platinum and palladium concentrate by oxidative alkaline leaching with hydrogen peroxide PENG Ying-lin1, MA Ya-yun2, ZHANG Fu-yuan3, ZHENG Ya-jie2 (1. School... Laboratory of Gold Resource Utilization, Henan Zhongyuan Gold Smelter Co., Ltd., Sanmenxia 472000, China) Abstract: Platinum and palladium concentrate is obtained from precipitated gold solution......
Trans. Nonferrous Met. Soc. China 22(2012) s214-s221 Machine and tool development for forming of polymeric tubular micro-components Jie ZHAO, Arthur Lan Kuan YIP, Yi QIN, Akhtar RAZALI, Zhi-cong FEI... associated with the development of a desktop hot-embossing machine system and tools which would enable volume production of polymeric tubular micro-components for various applications......
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concrete-filled steel tubular (CFT) columns were tested subjected to cyclic loading under constant axial load. Experimental parameters included axial compression ratio, loading sequences, and strength...-filled steel tubular columns; low cyclic fatigue; seismic performance; failure mode......