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Sketch the ?ow ?eld around an airfoil that has stalled. Show the boundary layers, the separated region, and the wake.
Estimate the takeoff speed for an aircraft with conventional airfoils if the aircraft with payload weighs 120 000 N and the effective wing area is 20 m2 assuming a temperature of (a) 30-C, (b) 10-C, and (c) 220-C. An angle of attack at takeoff of 8o is desired.
a flue passing hot exhaust gases has a square cross section 300mm to a side. the walls are constructed of refractory
1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr
sherry wine is a blend of different wines. 200 kg of sherry was being produced by blending 3 different wines. alcohol
a piston-cylinder with a volume of 0.5 m3 holds 1 kg of nitrogen at a temperature of 261 k. heat transfer to the
Determine the following for a south facing surface at 30° slope in Gainesville, FL (Latitude = 29.68°N, Longitude = 82.27°W) on September 21 at noon solar time (Assuming a ground reflectivity of 0.2):
Methane gas in a piston-cylinder assembly goes under an adiabatic (no heat transfer) quasi- equilibrium compression. (This process is called isentropic process). The pressure and volume of the gas during the process are related as PV 1.3=constant.
steamboat springs geothermal power plant in nevada operates between a steam temperature of 220 c and an ambient
a ball of diameter 0.05 m and specific gravity 0.5 is dropped from a height of 1 m into a large pool of water.
the net potential energy between two adjacent ions en may be represented by sum of -ar brn. calculate the bonding
In a cold air-standard Brayton cycle, air enters a compressor operating at steady state at 15 lb/in2, 80 degress F, with a volumetric flow rate of 6000 ft3/min. The compression occurs in two stages and the pressure ratio across each stage is the same..
evaluate the various methods of how safety is measured and the current safety data systems and compare and contrast
a solar concentrating heat exchanger system directs sunlight onto a large straight pipe. the pipe receives 153.616 btuh
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