"stress" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- If not by a viscous stress, how then does friction arise, and how is it properly described?
- In very general terms, the fluid's viscosity is the relation between the strain rate and the viscous stress.
- The magnitude of the viscous stresses depends upon the rate of deformation.
- In particular, the local strain rate is the only property of the velocity flow that directly affects the viscous stress at a given point.
- Where is the viscous stress and is the elastic stress.
- Elastic and viscous stresses are usually combined under the name mechanical stress.
- However, if the deformation is changing with time, even in fluids there will usually be some viscous stress, opposing that change.
- Away from the wall, on the other hand, the turbulence generates a Reynolds stress, large compared with the viscous stress, in the usual way.
- To generate this distribution of viscous stress, the mean velocity profile must rise steeply at the wall and then become comparatively flat.
- In these regions the inertia force becomes less important and the flow is determined by the balance of viscous stresses and the pressure gradient.
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