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The lift and drag developed on a hydrofoil are to be determined through wind tunnel tests using standard air. If full scale tests are to be run, what is the required wind tunnel velocity corresponding to a hydrofoil velocity in seawater at 20 mph? Assume Reynolds number similarity is required.
determine the energy loss that will occur if water flows with a velocity of 7fts through a gate vlave fully open. what
a race boat is traveling at a constant speed v0 77mph when it performs a turn with a constant radius rho to change its
The cable segment attached to the spring is at an angle of ?=50.0 from the ground. The spring has a spring constant of k=14.5 kN/m. The pulley is attached to the ceiling by rod BD that forms an angle ?=70.0? with the ceiling. The hanging mass causes ..
The inner pipe of a double-pipe heat exchanger has an OD of 1.9 in. and contains 36 rectangular fins of the type shown in the sketch below. The fins are made of steel (k=34.9 Btu/h ? ft ? ?F) and are 0.5 in. high and 0.035-in. thick.
Determine the rate of metal removal when the wheel is engaged in the work and if the number of active grits per square inch = 200, determine the average chip length and the number of chips formed per time
a dragster weighing 7120n attains a speed of 430km in the quarter mile.immediately after passing through the timing
For a continuous and oriented fiber- reinforced composite, the moduli of elasticity in the longitudinal and transverse directions. Calculate the actual loads carried by both fiber and matrix phases.
the diameter of the hollow core of a solid propellant grain remains axially uniform during burning. its length is 5 m
A pump is employed to deliver liquid water from a pond to a higher elevation. The pump steadily draws water from the pond at a volumetric flow rate of 192 gal/min through a pipe having a 7 in. diameter inlet. The exit diameter of the pipe is 2 in. an..
aan 8-inch pitch diameter steel gear 3 inches thick face width is pressed onto a 2 inch diameter steel shafte30000000
An air conditioning unit has two inlet air streams: a stream of return air from the building (2.25 kgs at 25C) and a steam of outside air (0.75 kg/s at 30 C). These streams are blended and then colled by a cooling coil to 20 C.
The paint on the rotating disk is worn off by dust in the air, exposing the base metal, which has an emissivity of s = 0.10. Determine the total power dissipated from the disks worn top surface.
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