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The Von Karman Gas Dynamics Facility at the Arnold Air Force Base in Tennessee has need of a blowdown wind tunnel, to be supplied from a tank containing compressed air initially at 1000. psia and 70.0°F. The wind tunnel is to be at the end of a nozzle attached to the tank and must be 8.00 ft in diameter and have a velocity of 10.0 × 103 ft/s at 2000. R. The tank must be of sufficient size to sustain these wind tunnel conditions for a minimum of 30.0 min of testing.
Carry out the preliminary thermodynamic design of such a facility and estimate the size of the storage tank required and the power required to compress the air in filling the tank if it must be done overnight (i.e., in 8.00 h).
Determine the entropy production associated with both the filling and emptying of the tank if both are done isothermally.
one cubic foot 1 ft3 of air is contained in a piston - cylinder arrangement. the axis of the cylinder is oriented in
i want a unique version of this
polymorphs are distinct types of crystals that have the same composition. for example iron changes from bcc to fcc upon
two site are being considered for wind power generation. in the first site the wind blows steadily at 7 ms for 3000
if the system has a mass of 2.31 kg. Evaluate the increase in specific entropy of the system.
a longitudinal aluminum fin k 230 wmk is attached to a copper tube having an outside radius of 0.04m. the length of
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2 m
Calculate, taking into account dissociation of the carbon dioxide and water vapour, how much lower the maximum temperature is under this condition than when the engine was operated stoichiometrically.
A thin Bar is suspended on a frictionless slide. A 20 N force is applied at bottom of the bar. What is acceleration of center of gravity
calculate the incidence it of the tailplane for trim if the elevator deflection e is zero. ii calculate the neutral
at a depth of 7 km in the ocean the pressure is 71.6 mpa. assume a specific weight of seawater at the surface of 10.05
Calculate the Gibbs free energy change of a rubber band stretched to 5 times its original length with concurrent contractions in its other two dimensions of 2.24 times at 25 C. The number of rubber molecules per unit volume, N, for a typical rubber i..
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