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A 10-C wind blows over 6-mm-diameter high-tension wires. Determine the range of velocities over which vortex shedding occurs. Could the shedding frequency be heard? Humans with good hearing can hear frequencies between 20 and 20 000 Hz. (Such vortex shedding when ice coats the wires can cause ''galloping'' where the wires actually oscillate from the usual catenaries to inverted catenaries resulting in wire failure.)
a 50 kg copper block initially at 350 degree c is quenched in a closed rigid insulated tank containing 120 l of liquid
an electrical device is designed to draw 3.5 amps and operates in a voltage range of 22.0 to 24v. a 18 awg copper wire
an automobile having a mass of 2000 kg deflects its suspension springs 0.02 m under static conditions. Determine the natural frecuency of the automobile in the vertical direction by assuming dumping to be negligible.
consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of
it has been determined that a point in a load-carrying member is subjected to the following stress condition sx 400 mpa
conditionsw10000 lbs 100 ft2clmax 1.5aircraft certified aerobatic category -3 6 g1. find stall speed keas at 1 g 0
find the equation pu v of a surface of revolution obtained by revolving a profile curve on the xy-plane about the
A piston-cylinder contains 50 L of saturated liquid R-134a. The piston is frictionless, and has a mass and area resulting in an applied pressure of 500 kPa on the refrigerant. The refrigerant is now heated until its temperature rises to 70 °C. Calcul..
Determine the internal energy change as saturated liquid steam at 60?F goes to a two phase mixture of quality 0.40 at 60?F. Provide answers in SI units. Determine the final fluid phase and the enthalpy change.
a piston-cylinder device contains v1 volume of air at p1 pressure and t1 temperature. the air is now compressed to v2
Find Stall Speed (KEAS) at 1 G, 0 deg AOB and find Stall Speed (KEAS), level flight 70 deg AOB (2.9 G)
An insulated rigid container is separated into two parts using a partition that is free to move and the partition allows heat transfer without any energy storage by itself. Initially 2 kg of air at 5 bar and 350 K is contained on one side of the part..
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