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Selection of organic Rankine cycle working fluid based on unit-heat-exchange-area net powerGUO Mei-ru(郭美茹)1, 2, ZHU Qi-di(朱启的)1, 2, SUN Zhi-qiang(孙志强)1, 2, ZHOU Tian(周天)1, 2, ZHOU Jie-min(周孑民)1, 2(1.... The heat exchange area was computed by an improved evaporator model without fixing the minimum temperature difference between working fluid and hot fluid, and the flow pattern transition during heat......
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> 关键词: 石灰石;超细磨助磨剂;助磨机理; 中图分类号: TD921.4 收稿日期:1999-02-11 Ultrafine grinding aids and its mechanism Abstract: Ultrafine grinding aids of limestone and its grinding promotion mechanism have been investigated. The results show that sodium hexametaphosphate, sodium amino trimethylene phosphonate and sodium ethylenediamine tetramethylene phosphonate have......
Fluid flow characteristics of single inclined circular jet impingement for ultra-fast coolingWANG Bing-xing(王丙兴), XIE Qian(谢谦), WANG Zhao-dong(王昭东), WANG Guo-dong(王国栋) (State Key Laboratory of Rolling and Automation (Northeastern University), Shenyang 110819, China)Abstract:The fluid flow characteristics of the single bunch inclined jet impingement were investigated with different jet flow......
J. Cent. South Univ. (2016) 23: 2800-2808 DOI: 10.1007/s11771-016-3343-2 Scalable preparation of functionalized graphite nanoplatelets via magnetic grinding as lubricity-enhanced additive JI Hai-bin... Berlin Heidelberg 2016 Abstract: Graphite nanoplatelets were prepared by a novel magnetic-grinding method using self-made equipments. Under a variant magnetic field, magnetic needles collided......
J. Cent. South Univ. Technol. (2008) 15: 488-492 DOI: 10.1007/s11771-008-0092-x Fluid flow on centimeter-scale in deep paleosubduction zones in western Tianshan..., which indicates that the vein-forming fluid was derived from adjacent host-rocks; the boundaries between the vein and the host-rocks are sharp, which indicates that the fracture of the host-rocks......
J. Cent. South Univ. (2016) 23: 1224-1231 DOI: 10.1007/s11771-016-0372-9 Analysis on optimal working fluid flowrate and unstable power generation for miniaturized ORC systems LIU Ke-tao(刘克涛)1, 2... of the plate heat exchanger, with a variation of flowrate of R245fa. The influence of working fluid flowrate on a 500W ORC system was investigated. Adjusting the working fluid flowrate to an optimal......
Machining Characteristics in Cryogenic Grinding of SiCp/Al CompositesLi Zhou,Shutao Huang,Xiaolin YuSchool of Mechanical Engineering,Shenyang Ligong University摘 要:In this study, liquid nitrogen was applied to grind Si Cp/Al composites with high volume fraction and large Si C particle at different levels of cutting conditions, and the effects of grinding......
Investigation of Creep Feed Grinding Parameters and Heat treatment Effects on the Nickel-base Superalloys Hasan Jamshidi1,Sayed Ali Sadough Vanini1,Alireza Attari2 (1.Mechanical Engineering... zone components of the gas turbines. The complicated dimensional tolerances, specially at the root of the blade show importance of grinding processes at the production of blades root. The prediction......
Electrochemical properties on surface of galena in grinding system and its influence on flotation GU Guo-hua, ZHONG Su-jiao (School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The effects of the grinding media types, mechanical pressure and collector on the electrochemical properties of the galena surface were studied using electrochemical......