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Air flows isentropically through a convergent-divergent passage with inlet area 5.2 cm^2, minimum area 3.2cm^2 and exit area 3.87 cm^2. At the inlet the air velocity is 100m/s, is 680 kPa, and temperature 345 K. Determine:
a) The mass rate of flow through the nozzle
b) The Mach number at the minimum-area section
c) The velocity and the pressure at the exit section
a battery of cylindrical hollow-fiber membranes is operated at steady state to concentrate a bacterial suspension from
A vapor compression refrigeration cycle using R-134a as the working fluid has an evaporator temperature of -20°F, and a condenser pressure of 140 psia. The refrigerant is saturated at the inlet to the compressor and at the exit of the condenser. The..
A cold air-standard Brayton refrigeration cycle has a pressure ratio of 4 and a refrigeration rate of 15 kW. Air enters the compressor at -7oC. The high pressure air is cooled to 27 oC by rejecting heat to the surroundings. It is further cooled to -1..
a steam turbine operates with 1.6 mpa and 350 degree c steam at its inlet and saturated vapor at 30 degree c at its
Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
an air-conditioner with refrigerant 134a as the working fluid is used to keep a room at 26 c by rejecting the waste
a cantilever beam has a z section of uniform thickness for which iy 23th3 iz 83th3 and iyz -th3. determine the
Two particles A and B start from rest at the origin s=0 and move along a straight line such that a_A=(6t - 3) ft/s^2 and a_B=(12t^2 - 8) ft/s^2, where t is in seconds. Where are the respective reference points of particles A and B? What are the direc..
consider an ideal steam regenerative cycle in which steam enters the turbine at 600 lbfin2 700 f and exhausts to the
Obtain a new solution, and determine whether any buckling constraints are active. If no buckling constraints are active for L = 10 in., re-run the analysis by increasing L , and estimate the value of L at which at least one buckling constraint b..
a cylinder is confined in a cylinder by a spring-loaded frictionless piston so that the pressure in the fluid is a
A laminated thick-walled cylinder was fabricated by shrinking a steel (E=200 GPa and nu=0.03) sleeve having an inside diameter of 199.800mm and an outside diameter of 300mm onto a steel tube with an inside diameter of 100mm and an outside diameter of..
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