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This problem concerns the dragging of a solid plate of very long length and width but of infinitesimal thickness at a constant speed V through a slit of width 2d filled with an incompressible Newtonian liquid of constant physical properties, as shown in the attached figure. Calculate the velocity field in the slit and the force required to drag or pull the plate through the slit. You can neglect gravity in analyzing this problem.
What are the forces acting on workpiece during turning process. how workpiece should be clamp
The maximum shear strain at a point in a thin elastic plate is given as gamma (max) = 450(mu). it is also known that the sum of the normal stresses on two perpendicular planes passing through the point is 30 mpa. Determine the magnitude of the princi..
Two same objects with the same initial temperature Ti have a constant specific heat capacity of Cp, now one installs a refrigerator in between these two and tries to lower one of the objects temperatures to T2.
during a gust of wind the blades of the windmill are given an angular acceleration of 0.2 rads2 where is measured in
A measurement system can be modelled by the equation given below, (5/8)y' +y=F(t). The output signal is initially steady at 5 V. The input signal is then suddenly increased to 8 V. Determine the response of the measurement system.
a thick cylinder has an inside diameter of 60 mm and an outside diameter of 100 mm. it is pressurised internally until
r-134a is throttled from 1200kpa and 40oc to 200kpa. it is known that heat of 5kjkg is lost from r-134a to the
A tank contains a two-phase liquid-vapor mixture of Refrigerant 22 at 10 bar. The mass of saturated liquid in the tank is 25 kg and the quality is 60%. Determine the volume of the tank, in m^3, and the fraction of the total volume occupied by saturat..
A constant-area duct is fed by a converging-only nozzle. The nozzle receives air from a large chamber at p1=600 KPa and T1=550 K. The duct has a friction length of 5.3, and it is choked at the exit. What is the pressure at the end of the duct? If 80 ..
The thrust, T, of a marine propeller is assumed to depend only on its diameter, D, the fluid density, the viscosity, the revolutions per unit time, and its forward velocity, V. Express this dependence in non-dimensional terms. Is one of the ?–product..
two kilograms of water are contained in a pistoncylinder arrangement. the massless piston is loaded with a linear
What is the mass of oxygen gas in a container with a volume of 25 ft3, at a pressure of 14.7 psia and a temperature of 75oF?
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