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Refrigerant 134a flows at steady state through a horizontal tube with inner diameter of 0.05 m. The refrigerant enters the tube with a quality of 0.1, temperature of 36 C, and velocity of 10 m/s. The refrigerant exits the tube at 9 bar as a saturated liquid. Determine:
a) the mass flow rate of the refrigerant, in kg/s
b) the velocity of the refrigerant at the exit, in m/s
c) the rate of heat transfer, in kW, and its associated direction with respect to the refrigerant
an intermediate heat exchanger in a cascade refrigeration system exchanges heat between a condensing refrigerant in the
A tank contains 10,000 kg of xenon at 132 C, 82 bar. The plant supervisor asks you to remove xenon and fill the tank with 10,000 kg of steam at 200 C. What is the pressure in the tank when it is filled with steam?
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A 2 cm horizontal jet of water with a velocity of 15 m/s is spraying onto a vertical plate attached to a cart moving opposite the direction of the water jet at 8 m/s. Determine the force required to keep the cart moving at a constant velocity.
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The main bearing of a steam engine is 100 mm in diameter and 175 mm long.the bearing support a load of 28 kn at 250 r.p.m.if the ratio of the diametral clearance to the diameter is 0.001 and the absolute viscosity of the lubricating oil is 0.015 kg/m..
consider an ideal steam regenerative cycle in which steam enters the turbine at 600 lbfin2 700 f and exhausts to the
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