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A liquid jet of velocity Vj and area Aj strikes a single 180° bucket on a turbine wheel rotating at angular velocity , as in Fig. P3.51. Derive an expression for the power P delivered to this wheel at this instant as a function of the system parameters. At what angular velocity is the maximum power delivered? How would your analysis differ if there were many, many buckets on the wheel, so that the jet was continually striking at least one bucket?
You need to write paper on a compliant Mechanisms and Micro electro-mechanical systems (MEMS)
a 4-lb ball revolves in a horizontal circle. knowing that the length of the cord is 3 feet and that the max allowable
A tank of volume V. is filled initially with air at atmospheric density pa,. Beginning at t = 0, a pump delivers to the tank a mixture of air and water.
air from inside a house enters a steady-flow heat exchanger with a volume flow rate of 200 m3min at 15degc 100kpa and
Determine the moment of the force F=350lb about point A, then about point B, on the lever if theta is equal to 40 degrees. Use the scalar method. Show work.
a structural lin that is 3 in. wide and 0.5 in. thick is to have a factor of safety of 2 relative to its yield strength
1. For each case, determine the specified property at the indicated state. Locate the state on a sketch of the T-y diagram.
a four-cylinder two-stroke 2.0-l diesel engine that operates on an ideal diesel cycle has a compression ratio of 22 and
(a) Determine the surface temperatures on the two sides of the circuit board.
two streams of air are mixed in a steady state process. assume air is an ideal gas with a constant heat capacity cp72r
Find the moment of inertia of the system about an axis perpendicular to the rod passing through its middle point
Set up a vector force diagram for model (5.14) and illustrate possible trajectories for the economy in (Y,r)-space for each of the following
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