MECHENG 235 Lecture Notes - Rankine Cycle, Volumetric Flow Rate, Mass Flow Rate
29 Apr 2014
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Me 235 thermodynamics i / winter 2014 / section 002. 7. 96 methane at 1 mpa, 300 k is throttled through a valve to 100 kpa. Assume no change in the kinetic energy and ideal gas behavior. 7. 125 air from a line at 12 mpa, 15 c, flows into a 500-l rigid tank that initially contained air at ambient conditions, 100 kpa, 15 c. The process occurs rapidly and is essentially adiabatic. The valve is closed when the pressure inside reaches some value, p2. The tank eventually cools to room temperature, at which time the pressure inside is 5 mpa. 7. 127 a balloon is filled with air from a line at 200 kpa, 300 k to a final state of 110 kpa, 300 k with a mass of 0. 1 kg air. Assume the pressure is proportional to the balloon volume as: p = 100 kpa + cv.
