0038.1 - the piston hits the stops, at which point the...

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ME 3322 — Thermodynamics Name: Unit: 2 Level: 2 ID: 0038.1 Date: The figure below shows a horizontal piston-cylinder assembly with stops. The mass and diameter of the piston are 10 kg and 15 cm. The pressure on the right side of the piston is 100 kPa. The assembly contains water that is initially a saturated liquid-vapor mixture with a quality of 0.3 and a pressure of 100 kPa. The piston face is initially 2 cm from the left wall of the cylinder. The water is heated until
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Unformatted text preview: the piston hits the stops, at which point the piston face is 8 cm from the left wall of the cylinder and the water is a superheated vapor. During this process, the pressure in the assembly is constant. Sketch the process on a p-v diagram. Determine the magnitude and direction of the energy transfers that occurred as heat and work. Neglect changes in kinetic and potential energy. 2 cm 8 cm water stops initial final Answer: W 12 = 0.106 kJ (out), Q 12 = 1.197 kJ (in)...
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This note was uploaded on 09/28/2010 for the course ME 3322 taught by Professor Neitzel during the Fall '07 term at Georgia Institute of Technology.

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0038.1 - the piston hits the stops, at which point the...

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