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Method and apparatus for determining skin fricton or viscosity of a liquid on a model or other object in contact with the flowing liquid
Method and apparatus for determining skin fricton or viscosity of a liquid on a model or other object in contact with the flowing liquid
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机译:用于确定与流动液体接触的模型或其他物体上的皮肤的摩擦或液体粘度的方法和装置
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摘要
In a method for determining skin friction or viscosity on models and other objects (4) in contact with the flowing liquid, a viscous transparent liquid is applied in a layer (8) to the surface of the object at the measurement point and the change in thickness and/or surface inclination of the layer (8) due to the flow conditions is detected with a light beam. The light beam is conveyed from the interior of the object (4) in contact with the flowing liquid in the direction of the surface (3) of the object (4) and into the viscous liquid layer (8). The reflected light beam is then collected in the interior of the object in contact with the flowing liquid and then processed further. IMAGE
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