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zhangzhanhua金虫 (小有名气)
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请有条件的大侠，帮忙查一下，急着用，非常感谢。 题目：Efficiency and heating quantity analysis of the constant pressure hydraulic system in the lifting condition 会议：Proceedings of the Seventh International Conference on Fluid Power Transmission and Control . Hangzhou, 2009. |
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FN ISI Export Format VR 1.0 PT C AU Zhang, LJ AF Zhang, Lujun ED Lu, YX; Wang, QF; Ju, BF TI Efficiency and heating quantity analysis of the constant pressure hydraulic system in the lifting condition SO PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON FLUID POWER TRANSMISSION AND CONTROL LA English DT Proceedings Paper CT 7th International Conference on Fluid Power Transmission and Control (ICFP 2009) CY APR 07-10, 2009 CL Hangzhou, PEOPLES R CHINA SP Natl Nat Sci Fdn China, Minist Educ, Chinese Mech Engn Soc, Chinese Fluid Power Transmiss & Control Soc, YC TANG Disciplinary Dev Fund, Zhejiang Univ, State Key Lab Fluid Power Transmiss & Control HO Zhejiang Univ DE Constant pressure; Hydraulic system; Efficiency; Heating quantity; Lifting condition AB The constant pressure hydraulic system with the hydraulic pump and accumulator as constant oil source is often used in the machine of restoring and reusing energy, such as restoring the potential energy and inertial energy. The characteristic of this constant pressure hydraulic system differs greatly from that of conventional pump-control and valve-control hydraulic system. Since this constant pressure hydraulic system is used more and more, in order to make use of this hydraulic system well, it is necessary to conduct analysis on this hydraulic system to deeply understand the special law of this constant pressure hydraulic system. The mathematical model of the constant pressure hydraulic system in lifting condition is established, and the efficiency and heating quantity formulae are deduced. By analyzing these formulae some conclusions are obtained: (1) The larger the mass of the object lifted, the higher the lifting efficiency is; (2) The larger the mass of the object lifted, the smaller the heating quantity is. The constant pressure system with composite cylinder which can improve efficiency and lower heating quantity in the lifting condition is-discussed. C1 Yantai Univ, Sch Mech & Automot Engn, Yantai, Peoples R China. RP Zhang, LJ, Yantai Univ, Sch Mech & Automot Engn, Yantai, Peoples R China. NR 6 TC 0 PU WORLD PUBLISHING CORPORATION PI BEIJING PA 137 CHAONEI DAJIE, BEIJING 100010, PEOPLES R CHINA BN 978-7-5062-8213-0 PY 2009 BP 47 EP 50 PG 4 SC Automation & Control Systems; Engineering, Mechanical GA BKR10 UT ISI:000268994000022 (收录号) |
3楼2009-11-23 19:19:25