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Unformatted text preview: altitude of 10,000 m. Calculate the outside air temperature (in Kelvin). Problem 4.4 A venturi tube is a convergingdiverging nozzle that was used to measure airspeed before 1930. Subscript 1 represents the inlet conditions and subscript 2 denotes conditions at the throat. The measured pressure difference is p 1 p 2 = 80 lb/ft 2 , and the area ratio is A 2 /A 1 = 0.30. What is the inlet velocity, V 1 , assuming the airplane is flying at standard sea level? Problem 4.31 Consider the flow of air through a supersonic nozzle. The reservoir pressure and temperature are 5 atm and 440 o F, respectively. If the Mach number at the nozzle exit is 3.0, calculate the exit pressure, temperature, and density....
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 Fall '08
 Nomura,K

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