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Structural optimization for ball valve made of CF8M stainless steel Xue-Guan SONG, Seung-Gyu KIM, Seok-Heum BAEK, Young-Chul PARK Department of Mechanical Engineering, Dong... of the valve. The results show that using this process can save valve mass as well as the computational expense effectively. Key words: ball valve; CF8M stainless steel; trade-off method; response surface......
-rate of ball valve using V-port [J]. Journal of Fluids Engineering, 2004, 126(3): 471–481. DOI: 10.1115/1.1760536. [6] MAYNES D, HOLT G, BLOTTER J. Cavitation inception and head loss due to liquid... J. Cent. South Univ. (2018) 25: 2677-2687 DOI: https://doi.org/10.1007/s11771-018-3945-y Numerical study on cavitation in a globe control valve with different numbers of anti-cavitation trims......
Analysis and optimization of nitrile butadiene rubber sealing mechanism of ball valve Xue-Guan SONG, Lin WANG, Young-Chul PARK Department of Mechanical Engineering, Dong-A University...; Abstract: An approach for analyzing and optimizing sealing mechanism of ball valve made of nitrile butadiene rubber(NBR) with finite element method......
, the requirements for use cannot be satisfied. The existing high speed on-off valve products are mainly ball valves with small flow and rotary valves with life and process problems which have not been... on the existing research status. 2 Structure optimization of plate type high speed on-off valve 2.1 Design of spool size The spool has many structural forms. Slide valve, poppet valve, ball valve and plate valve......
:1672-7207(2012)04-1345-06 Finite element analysis of seal performance for new type rotating ball valve with double direction metal sealing LEI Ji-ping1, 2, E Jia-qiang1, CHEN Jian-mei2, ZHANG Yin2... rotating ball valve with double direction metal sealing, the finite element analysis (FEA) was processed by using the numerical method of symmetrical penalty function and its corresponding evaluation......
rotating ball valve with bidirectional metal sealing LEI Jiping1, 2, E Jiaqiang1, CHEN Jianmei2 (1. College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China; 2. School of Mechanical Engineering, Hunan International Economics University, Changsha 410205, China) Abstract: In order to enhance the sealing performance of a new-type large diameter rotating ball valve......
; 文献标志码:A 文章编号:1672-7207(2010)02-0553-07 Multidisciplinary optimization design on new type rotating ball valve... 410082, China; 2. Hunan Pump Valve Manufactory Co. Ltd., Changsha 410007, China) Abstract: In order to guarantee the improvement of the whole performance for new type rotating ball valve with double......
of solid-liquid two-phase flow of PVC ball valves with ball valve opening 3.3.4 球阀压力损失随颗粒体积分数的变化 当进口流速为2 m/s,颗粒粒径为0.05 mm和0.12 mm,球阀开度为90°和50°时,液相两相流压力损失随颗粒体积分数的变化如图10所示.从图10可以看出:在其他条件不变时,压力损失随颗粒体积分数增大而增大...): 22-28. MA Yi, MA Zhongqiang, ZHANG Shengchang, et al. Analysis of different pressure characteristics during the opening process in high-concentration solid-liquid ball valve[J]. Fluid Machinery, 2014......
J. Cent. South Univ. (2018) 25: 1799-1812 DOI: https://doi.org/10.1007/s11771-018-3870-0 Structure design and characteristics analysis of a cylindrical giant magnetostrictive actuator for ball... automatic adjustment of the double-nut ball screw preload, a magnetostrictive ball screw preload system is proposed. A new cylindrical giant magnetostrictive actuator (CGMA), which is the core component......
; 文章编号:1672-7207(2016)04-1158-08 Influence of radial displacement on liquid-solid two-phase flow field and characteristics in ball valve MA Yi1, 2, ZHANG Shengchang1... Center of Process Equipment and Remanufacturing, Ministry of Education, Hangzhou 310014, China) Abstract: Based on the dynamics analysis of ball’s motion, the discharge ball valve was studied as the key......