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温度升高，气体的无秩序热运动增强，气层之间的加速和阻滞作用跟着增加，内摩擦也就增加。所以，气体的粘度随着温度的升高而加大，与液体的粘度随温度升高而降低不同。随着压力升高，气体的性质逐渐接近液体，温度对粘度的影响，也越来越接近于液体。When the temperature increases, the disorderly thermal motion of gas increases, and the acceleration and retarding between gas layers increase accordingly, and the internal friction also increases. So the viscosity of a gas increases with temperature, not the viscosity of a liquid decreases with temperature. As the pressure increases, the properties of gases become closer to liquids, and the effect of temperature on viscosity becomes closer to liquids.
更多“温度升高，气体的无秩序热运动增强，气层之间的加速和阻...”相关的问题
第1题
当两层气体有相对运动时，气体的分子之间不仅具有与运动方向一致的相对移动而造成的内摩擦，而且由于气体分子无秩序的热运动，两层气体分子之间可以互相扩散和交换。当流动速度较快的气层分子跑到流速较慢的一层里面去时，这些具有较大动能的气体分子，将使较慢的气层产生加速作用，反之，流动速度较慢的气层的分子跑进较快的气层里时，则对气层产生一种阻滞气层运动的作用，结果两层气体之间就产生了内摩擦。When two layers of gas move relative to each other, there is not only internal friction caused by the relative movement in the same direction as the motion, but also diffusion and exchange between two layers of gas molecules due to the disorderly thermal motion of gas molecules. When flow faster gas molecules ran into a slower velocity layer, which have large kinetic energy of gas molecules, will make the atmosphere with a slower produces acceleration, on the other hand, the flow speed is slower as he ran around the gas molecules in the atmosphere of the faster, the effect on gas to produce a block of gas movement, the result is created between two layers of gas internal friction.
第2题
单原子分子;②双原子分子;(3)如果容器再从静止加速到原来速度v，那么容器内理想气体的温度是否还会改变?为什么?
第3题
第5题
其运动规律为：
A、等速运动规律
B、等加速等减速运动规律
C、正弦加速度运动规律
D、余弦加速度运动规律
E、多项式运动规律
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