Engineering, 24.04.2020 17:07 dearydn22
There is a fluid film with a thickness of h between two flat plates. The upper plate moves to the right at speed of U. The lower plate is stationary.
(a) Find the velocity profile for flow between flat plates. Use Navier-Stokes equations. Provide a detailed solution. Specify all simplifying assumptions that you make, and clarify how each assumption simplifies the problem.
(b) Draw the velocity profile for dp/dx = -5 Pa/m.
(c) Draw the velocity profile for dp/dx = +5 Pa/m.
Answers: 3
Engineering, 04.07.2019 18:10, michellerosas
Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.
Answers: 3
Engineering, 04.07.2019 19:10, Mimidj9279
The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
Answers: 2
There is a fluid film with a thickness of h between two flat plates. The upper plate moves to the ri...
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