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FAW-TMH^(TM)强混合动力系统平台开发 被引量:5
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作者 刘明辉 刘东秦 +2 位作者 王光平 金启前 杨兴旺 《汽车技术》 北大核心 2010年第7期1-5,58,共6页
中国第一汽车集团公司双电机混合动力系统(FAW-TMHTM)由一款高效汽油发动机、AMT和两个永磁同步电机组成。该系统为强混合方案,可以实现混合动力系统的所有功能,在动力性能与原型车基本相当的基础上,可实现节油率40%左右。FAW-TMHTM系... 中国第一汽车集团公司双电机混合动力系统(FAW-TMHTM)由一款高效汽油发动机、AMT和两个永磁同步电机组成。该系统为强混合方案,可以实现混合动力系统的所有功能,在动力性能与原型车基本相当的基础上,可实现节油率40%左右。FAW-TMHTM系统已经成功地装备在红旗、奔腾B70、奔腾B50等车型上,是一套具有良好通用性的动力总成平台。 展开更多
关键词 FAW-TMHTM 强混合动力系统 平台开发
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Strengthening of Pultruded Glass FRP Section Combined with Concrete Slab Using CFRP Plates
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作者 Ashraf Biddah Khaled El Sawy +1 位作者 Steve Raynor Tarek Sheikhoun 《Journal of Civil Engineering and Architecture》 2010年第7期49-55,共7页
This paper demonstrates the possibility of combining both glass and carbon FRP (Fibre Reinforced Polymer) composite materials with a low-cost construction material (i.e. concrete) in a hybrid system that brings hi... This paper demonstrates the possibility of combining both glass and carbon FRP (Fibre Reinforced Polymer) composite materials with a low-cost construction material (i.e. concrete) in a hybrid system that brings higher performance levels to the design of lightweight, corrosion resistant, yet inexpensive beams providing acceptable structural properties. The objective of the research is to investigate the behaviour of a hybrid composite section under flexure. The hybrid section consists of a top concrete slab, Glass Fibre Reinforced Polymer (GFRP) beam section and Carbon Fibre Reinforced Polymer (CFRP) laminate on the extreme underside. This maximizes the benefits of each material, that is: high tensile strength of CFRP, compressive strength and low cost of concrete, light weight and lower cost of GFRP, and high corrosion resistance of all components. Three beam samples were manufactured and tested to failure while monitoring deflections and strains. By adding CFRP layers under the concrete-GFRP composite beam increases the bending strength and reduces the deflection. The most important factor in the proposed strengthening technique of GFRP-concrete composite beams by using CFRP is the adhesive material that bonds the CFRP to the GFRP. Any weakness in CFRP-GFRP bond may cause brittle failure of the beam. The study results indicate the benefits of using hybrid FRP-concrete beams to increase flexural load carrying capacity and beam stiffness and provide a numerical model that can be further developed to model more advanced material arrangements in the future. The outcome of this research provides information for both designers and researchers in the field of FRP composites. 展开更多
关键词 Experimental hybrid composites CFRP GFRP strengthening CONCRETE
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Some Weak Specification Properties and Strongly Mixing
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作者 Qi YAN Jiandong YIN Tao WANG 《Chinese Annals of Mathematics,Series B》 SCIE CSCD 2017年第5期1111-1118,共8页
In this paper, the authors first construct a dynamical system which is strongly mixing but has no weak specification property. Then the authors introduce two new concepts which are called the quasi-weak specification ... In this paper, the authors first construct a dynamical system which is strongly mixing but has no weak specification property. Then the authors introduce two new concepts which are called the quasi-weak specification property and the semi-weak specification property in this paper, respectively, and the authors prove the equivalence of quasi-weak specification property, semi-weak specification property and strongly mixing. 展开更多
关键词 Weak specification property Mixing property Symbolic dynamics
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