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1. The velocity ?eld in a ?uid ?ow is given by V ¼ 2yi þ xj þ tk: Determine the magnitudes of the acceleration, the angular velocity, and the vorticity at the point (2, 1, 21) at t ¼ 4 s.
2. The temperature ?eld of a ?ow in which V ¼ 2yi þ xj þ tk is given by Tðx; y; zÞ¼ 20xy -C: Determine the rate of change of the temperature of a ?uid particle in the ?ow at the point (2, 1, 22) at t ¼ 2 s.
A piston-cylinder system initially contains an ideal gas at {State 1} After an isothermal expansion process, the pressure of the gas in the cylinder drops to P 2bar 2? Please draw a schematic of the process 1-2 on a
frictionless piston in a cylinder with 0.2 kg h2o under it. if piston raises to a given height the piston will hit
the united states is currently considering standards to generate 20 of its electricity from renewable resource in the
a passive solar house requires an average heating power of 8.4 kw in the winter. it stores energy in 10 tonnes 10000kg
the gases in the cylinder of an internal combustion engine have a specific internal energy of 800 kjkg and a specific
An Ideal reheats Rankine cycle. From 1 to 2 we go through Turbine 1. Then 2 to 3 we reheat in a steam generator. Then 3 to 4 we go through Turbine 2. Then from 4 to 5 we go through a Condenser. From 5 to 6 we go through a pump.
For each case, determine the specific volume at the indicated state. Locate the state on a sketch of the T-v diagram.
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two l4 x 4 x 12-in. angles parallel to and on the x-axis are welded to either sides of a 10-in. high by 12-in. wide
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Water is to be supplied at a rate of 5000 kg/s to a hydro-electric generator located at the bottom of a lake at a height h. If the efficiency of the turbine-generator is 75% and of the generator 95%;
two frictionless balls are placed in a frictionless bowl. the left ball a has a radius of 3.00 in. and a weight of 10.0
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