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vehicle YANG Guanlong, QIN Datong, LIU Yonggang, LIN Yupei (The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China) Abstract: Aiming at a continuously variable transmission(CVT) plug-in hybrid electric vehicles, the real-time optimization results of CVT speed ratio are obtained by using the instantaneous optimization algorithm , which have been embedded......
, China) Abstract: The effect of Zn and Mg mass ratio (4.1 and 4.67) on the quench sensitivity of aluminum alloy 7055 was studied by means of ageing curve testing, optical microscopy (OM), transmission...感性 中图分类号:TG146 文献标志码:A 文章编号:1672-7207(2012)05-1656-06 Effect of Zn and Mg mass ratio......
out the effective ways and methods to improve the bearing capacity of star wheel reducer, the structure and working principle of two output types of star wheel transmission gear trains were analyzed, and the calculation formulas of their transmission ratio,gear tooth meshing transmission coincidence degree and tooth profile interference inspection were derived.Three-dimensional models of two output......
:1672-7207(2012)04-1336-09 Ratio control strategy of continuously variable transmission system based on dynamic response HU Jian-jun, HE Zheng-bin, LIU Yong-gang, QIN Da-tong (State Key Laboratory... transmission; ratio; control strategy; dynamic response; simulation 无级自动变速传动(Continuously variable transmission,CVT)是汽车理想的传动方式,具有较宽的速比变化范围,通过对速比连续地调节,可保证发动机在理想的工作线上运行,获得传动系与发动机的最佳匹配,从而提高车辆的动力性和经济性,减少排放污染[1-3].随......
Modeling and control for hydraulic transmission of unmanned ground vehicleWANG Yan(王岩)1, ZHANG Ze(张泽)1, QIN Xu-qing(秦绪情)2(1. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China;2. National Key Laboratory of Vehicular Transmission, China North Vehicle Research Institute,Beijing 100072, China)Abstract:Variable pump driving variable motor (VPDVM) is the future......
J. Cent. South Univ. (2019) 26: 2661-2667 DOI: https://doi.org/10.1007/s11771-019-4203-7 Effects of ratio of hydrogen flow on microstructure of hydrogenated microcrystalline silicon films deposited... (Ar) and hydrogen (H2) gasses as precursor gas. The effects of the ratio of hydrogen flow (H2/(Ar+H2)%)) on the microstructure were evaluated. Results show that the microstructure, bonding structure......
as: Siavashi Majid, Jamali Mohammad. Optimal selection of annulus radius ratio to enhance heat transfer with minimum entropy generation in developing laminar forced convection of water-Al2O3 nanofluid flow......
An online method to determine chlorine stable isotope composition by continuous flow isotope ratio mass spectrometry (CF-IRMS) coupled with a Gasbench IILIU Yun-de(刘运德)1,2, ZHOU Ai-guo(周爱国)1,2, GAN... of Biogeology and Environmental Geology (China University of Geosciences), Wuhan 430074, China)Abstract:An online method using continuous flow isotope ratio mass spectrometry (CF-IRMS) interfaced......
ratio Cite this article as: GUAN Qing-jun, SUN Wei, LIU Run-qing, YIN Zhi-gang, ZHANG Chen-hu. Preparation of α-calcium sulfate hemihydrate whiskers with high aspect ratios in presence of a minor... to become ideal reinforcing materials. The mechanical strength of α-CaSO4·0.5H2O whiskers tends to improve with an increase in the aspect ratio [14, 15], which is one of the most important evaluation......
Micro precision casting based on investment casting for micro structures with high aspect ratio YANG Chuang(杨 闯)1, 2, LI Bang-sheng(李邦盛)1, 2, REN Ming-xing(任明星)1, 2, FU Heng-zhi(傅恒志)1... aspect ratio (ratio of flow length to diameter). A micro precision casting technology based on investment casting using centrifugal method was investigated. The micro parts of Zn-4%Al alloy with an aspect......
