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Question:
Using the Global Hawk aircraft, wing span of 116 ft, gross weight of 26,750, max takeoff weight is 32350 lbs, fuel capacity of 17,300 lbs, Power Plant is Rolls Royce-North American F137-RR-100 turbofan engine, thrust is 7600 lbs and drag coeffient of 0.02 + 0.062C(2/L).
Plot the thrust required at sea level and at 10000 ft and obtain obtain max velocity at sea level and 10000 ft. Discuss what these results tell us about your aircraft.
an alcohol manufacturing facility emits air with 500 ppm ethanol. the air flows out several roof vents at a total flow
When a hydrometer having a stem diameter of 0.30 in. is placed in water, the stem protrudes 3.15 in. above the water surface. If the water is replaced with a liquid having a specific gravity of 1.19, how much of the stem would protrude above the liqu..
The combustion products also include H2O, H2 and N2, exit the exhaust at 1000 K. Heat loss from the engine (primarily to the cooling water) is 120 kW. What is the power output of the engine? What is the thermal efficiency?
A car having a mass of 5500 kg is pulled slowly up a steep inclined track by a steel cable (see figure). The cable has an effective cross-sectional area of 320 mm2, and the angle of the incline is 310.
a regenerative steam power cycle has a closed feedwater heater that heats 20 kgs of water from 100degc 20 mpa to
Determine an appropriate footing size and layout if the service load from column A is 700 kips and from column B is 800 kips. Assume thickness and disregard reinforcing. The allowable soil pressure is 4000 psf.
An A/D converter is to be designed for a special instrument that will accommodate type N thermocouples (see Table 8.3a) operating over the range of 0 to 1000?C. A resolution of 0.5?C at 25?C is desired. Determine the number of bits required and th..
A steam power generation plant produces 200mw of power. Steam leaves the dealer at 150 bar and 650°c. After expansion through the first stage turbine to a pressure of 40 bar, 15% of the steam is extracted to feed the water heater. The remaining steam..
a vintage automobile has an intake manifold vacuum gage in the dashboard instrument cluster. cruising at 20.1 ms 45 mph
Show that the four-momentum of the rocket's exhaust in the initial rest system can be written P = γMf v(-1, 0, 0, i), where Mf is the final mass of the rocket. (Note that this result is valid for theexhaust as a whole even though the photons are Do..
Briefly explain the process of age hardening in metals
Lame's equations ´ The directions in which X-rays are strongly scattered by a crystal are determined from the solutions x of Lame's equations, namely x·a = L, x·b = M, x·c = N,- Show that the solutions of Lame's equations are given.
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