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Oil μ=0.4N * s/m2 flows between two fixed horizonta; infinite parallel plates with a spacing of 5mm. the flow is laminar and steady with a pressure gradient of -900 N/m2
Determine the volume flow rate per unit width and the shear stress of the upper plate (Start with the full, three-dimensional Navier-Stokes equations and the continuity equation, simplify them, and then solve them for the given situation. Do not just use the equations developed in the text – you must show how these equations were developed.
Hint: For the boundary conditions for this flow, use that the velocity gradient,∂u/∂y= 0, in the centre of the flow and the no-slip condition on the pipe wall. Also, carry through ∂p*/∂x as a constant through your integration.
Due to a street crossing a roadway, the elevation of the roadway at station 3 +413.760 must be at 129.388 m. Design the curve?
Place the scientific mass on the inclined plane and string over the pulley. Using a force-measuring device, pull the string and determine the force needed to obtain static equilibrium.
what is the force P to move the cabinet if a) caster A and B are locked b) B is locked A is free to move c) A is locked B is free to move p is applied from the left side pushing right. the width of the cabinet from caster a to b is 24 inches.
A curved section of a two-lane highway measured in the field was found to be 22 feet wide and have an elevation difference of 1.37 feet between the outside and inside edges of the pavement
The electric motor at A exerts a torque of 800N.m on the steel shaft from A to D. This has a torque of -300N.m at B and -500N.m at C. the dimensions are
The storage in a reach of river is 20,000 m^3 at a given time. Determine the storage 1 hr later if the average rates of in flow and out flow during the hour are 20 and 18 m^3/s, respectively
A simple curve has a central angle of 42degreess. A point Y is located 24m from the vertex and has a perpendicular distance of 3.00m from the back tangent.
For an unknown alloy the stress at which plastic deformation begins is 400MPa and the modulus of elasticity is 120GPa. If the original specimen length is 76 mm, what is the max length to which it may be stretched without causing plastic deformatio..
The torsional assembly consists of a solid bronze [G = 49 GPa] segment (1) with diameter d1 = 90 mm securely connected at flange B to solid stainless steel [G = 89 GPa] segments (2) and (3), with diameter d = 100 mm.
The area shown is revolved about the x axis to form a homogeneous solid of revolution of mass m. Using direct integration, express the mass moment of inertia of the solid with respect to the x axis in terms of m and h
The flow is designed using a rectangular coordinate system whose orgin is at the free surface midway between the walls. The x axis is normal to the walls, and the y axis points vertically downward.
Flow occur throught a sand-filled pipe with a cross-sectional area of 60 cm^2. If K is 10^-3 cm/s and the gradient is 0.01, what is the discharge from the pipe
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