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Refrigerant R134a is compressed under steady conditions from a saturated vapour at 100 kPa to 500 kPa. The compressor’s isentropic efficiency is 85%. Heat losses from the compressor can be ignored, as can kinetic energy and potential energy effects.
Determine the temperature of the refrigerant exiting the compressor.
SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.
an ideal reheat rankine cycle with water as the working fluid operates the inlet of the high-pressure turbine at 8000
water and steam enter an insulated mixing chamber in steady flow. the liquid water enters at 20 0c and 3 bars with a
consider a cylinder containing 4 moles of compressed argon to 10 bar and 298 k. the cylinder is housed in a big lab
A solid 0.625-in. diameter steel [E = 29300 ksi] rod (1) supports beam AB, as shown. If the stress in the rod must not exceed 20 ksi and the maximum deformation in the rod must not exceed 0.26 in., determine the maximum load P that may be supported.
air enters an insulated compressor operating at steady state at 1.05 bar 23 degrees c with a mass flow rate of 1.8 kgs
on may 23 1998 a tanker truck loaded with gasoline p719.7 kgm3 jumped a jersey barrier and collided with an oncoming
a two dimensional velocity field is described by the equation given below with a - 3 ms and b 12 ms. determine the
for some applications it is necessary to harden the surface of a steel above that of its interior. one way this may be
the electronic components of a computer are cooled by air flowing through a fan mounted at the inlet of the electronics
Air enters a machine at 373 C with a speed of 200 m/s and leaves it at 293 C. If the flow is adiabatic, and the work output by machine is 105 Nm /kg, what is the exit air speed? What is the exit air speed when machine is delivering no work?
Water flows through the pipe at a constant average velocity of 0.5 m/s into the the tank having the width of 1.5 m. Determine the relation between the time needed to fill the tank to a depth of h = 3 m and the diameter D of the pipe at. Plot the time..
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