A rigid tank A is connected to a spherical and elastic balloon B. Each contains air...

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Mechanical Engineering

A rigid tank A is connected to a spherical and elastic balloonB. Each contains air at an ambient temperature of 25 ° C. Thevolume of tank A is 0.1 m3 and the initial absolutepressure is
300 kPa. The initial diameter of the balloon is 0.5 m and theinternal absolute pressure is 100 kPa. The tap connecting A and Bis opened and left open. It can be assumed that the pressure insidethe balloon is directly proportional to the diameter of the balloonand that the final air temperature therein is uniform at 25 ° C.Determine the final pressure in the system and the final volume ofthe balloon.

ans: Pfinal = 137 kPa Vfinal= 0,167 m3

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