(1) Strength and stiffness of body structure. The closed section cylindrical or box structure shall be selected as far as possible. The component form of high-speed...
Continue reading...What is the operation and structure of high-speed trains?
1. Structure and materials of high-speed trainsAfter several years of great development, China’s high-speed railway has successfully developed 380A, 380B, CRH1, CRH2, CRH3, CRH5, CRH6 high-speed...
Continue reading...What are the properties and applications of aluminum-plastic composite panels?
1. Basics and properties of composite panelsComposite boards generally use hard materials as the surface layer and low-density materials as the core. The former is used...
Continue reading...What is a composite material for cars?
There are many kinds of composite materials, mainly metal-based fiber reinforced composite materials, which have high specific strength and obvious lightweight effect, but are more difficult...
Continue reading...What are the lightweight body materials?
1. Magnesium alloy To further reduce the weight of the train, magnesium alloys can be an option. The composition of the commonly used magnesium alloy extruded...
Continue reading...The main ways of lightweighting solar car body materials and structures
1. Selection of body materialsLightweight vehicle body materials and structures are the requirements of almost all vehicles. Reducing the weight of the vehicle body can increase...
Continue reading...What is the situation of the dynamic analysis of the rail car?
Except for subways that need to run in long tunnels, most of the existing rail cars run in the wild or even in areas without electricity....
Continue reading...What are the types of wheeled electric cars?
1. Low speed low power carWhat is discussed here is a low-speed and low-power car with a speed within 10km/h and a motor within 1kW, generally...
Continue reading...What are the formulas for the expression of wheeled car power?
1. Resistance and dynamics of car operation(1) Running resistance. The resistance of the car in operation is shown in Figure 1. These resistances are related to...
Continue reading...What are the types of motors used in electric cars?
The motor is divided into two types: DC and AC, and in principle, both can be used as automotive motors. The DC motor is widely used,...
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