(3.2.1)--任务2.1测定黏度的意义.ppt
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1、20211.Representation of viscosityMotion Viscositykinematic viscosity Ennis viscosityEngel viscometerPower ViscosityDynamic viscosity is also called absolute viscosity,It is a physical quantity that determines the viscosity of a fluid,When a fluid moves under the action of an external force,The inter
2、nal friction between two adjacent layers of fluid molecules will block the flow of fluid,This property is called the viscosity of the fluid,According to Newtons law of viscosity,viscosity is defined:in the formula is the viscosity coefficient,which is an index to measure the viscosity of a fluid,Als
3、o called Dynamic Viscosity,Its physical meaning is The internal friction generated when two adjacent fluid layers having an area of 1 m2 and a vertical distance of 1 meter are moved relative to each other at a speed of 1 m/sRepresentation of viscosityInterchangeableTemperaturechemical composition Wh
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- 3.2 任务 2.1 测定 黏度 意义
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