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An ideal gas enters [section (1)] a frictionless, constant area duct with the following properties:
For Rayleigh flow, determine corresponding values of fluid temperature and entropy change for various levels of pressure and plot the Rayleigh line if the gas is helium
Nitrogen flows through a converging-diverging nozzle designed to operate at a Mach number of 3.0. If it is subjected to an operating pressure ratio of 0.5: Determine the Mach number at the exit. What is the entropy change in the nozzle?
In an Egg Drop competition, one would like to compute the time history of the velocity of the designed egg protection system, which has a mass of .5 kg, an initial velocity of zero, and a drag proportional to the velocity( D = C_d * V, where C_d = .1..
a pitot static probe is used to determine the airspeed of an airplane that is flying at an altitude of 6000m. if the
If the cost of heat loss rises by $200 per year (uniform gradient) after the next year and the owner plans to keep the present building for 15 more years, what would you recommend if the interest rate is 10% per year?
you are to expand a gas adiabatically from 300 psia 400 of to 10 psia in a closed system. which of the two choices -
Refrigerant R-134a vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 800 kPa to 50 ºC.
how do you determine the thickness of a tapering barrel of a gun at the largest end using pressure temperature on the
Determine the eigenvalues and eigenvectors for the following matrices:
In 1775, Dr. William Cullen made ice in Scotland by evacuating the air in a water tank. Explain how that device works, and discuss how the process can be made more efficient.
What value of k should we use to make a gain of about 0.7 at 10 Hz?
The mass of the shaft and collar may be neglected. The cord keeps the rod at an initial angle of 30? with the vertical while the shaft is initially rotating freely at angular velocity φ? = 200 rad/s. The cord suddenly breaks.
An air-standard Diesel cycle has a compression ratio of 18.2. Air is at 27°C and 100 kpa at the beginning of the compression process and at 1700 K at the end of the heat-addition process.
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