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It is proposed to improve the takeoff performance of a single-engined aircraft fitted with a 50-in-diammeter propeller, by replacing the propeller with one having twice the disk area, but the same thrust of 660 lb (2.934kN) at 60 knots in sea-level-standard air conditions. Compare the following characteristics of the two propellers using ideal (Froude) theory: a) inflow factor a, b) airspeed through the propeller disk, c) mass flow through the propeller disk, d) slipstream speed, e) propulsive efficiency.
the annual growth rate of energy utilization in the world was 2.5 per year in 2011. how long would it take to consume
the upside-down steel a frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using
analysis using ansys fea is required. linear structural vibrationmodal and steady state thermal analysis can be use to
Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.
consider an alcohol and a mercury thermometer that read exactly 0 c at the ice point and 100 c at the steam point. the
What volumetric flow rate of fuel gas is required if there are no heat losses to the surroundings?
If water leaves the basement at 88C, determine the rate of heat loss from the weather.
What happens to the cutting and thrust force as tool rake angle and cutting speed are increased and what is the relation between the cutting and thrust forces to the depth of cut?
Entropy explained in this solution, Liquid H2O at 8 MPa and 40 degrees C is heated reversibly at constant pressure until the temperature reaches 600 degrees C
Remember that velocity is a vector quantity so find the magnitude of the average velocity and the angle of average velocity from the horizon
drew drops a snowball from the roof of a building attempting to hit the top of a students head. evaporation causes the
Calculate the overall heat transfer coefficient between the air and the water (answer in W/m^2K).
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