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A vertical piston cylinder arrangement consists of a spring and two stops as shown in following Fig. Piston diameter is 20 cm, and mass is 10 kg. Piston is frictionless and is free to move between the stops (H1=10 cm and H2=20cm). Assume the thickness of piston and stops to be negligible. Spring is linear, with K=20 kN/m and natural length=15 cm. Initially,

A vertical piston cylinder arrangement consists of a spring and two stops as shown in following Fig. Piston diameter is 20 cm, and mass is 10 kg. Piston is frictionless and is free to move between the stops (H1=10 cm and H2=20cm). Assume the thickness of piston and stops to be negligible. Spring is linear, with K=20 kN/m and natural length=15 cm. Initially,

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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stirrer Problem 3: A vertical piston cylinder arrangement consists of a spring and two stops as shown in following Fig. Piston diameter is 20 cm, and mass is 10 kg. Piston is frictionless and is free to move between the stops (H1=10 cm and H2=20cm). Assume the thickness of piston and stops to be negligible. Spring is linear, with K=20 kN/m and natural length=15 cm. Initially, the piston is held at the upper stop. It contains air at a pressure 200 kPa and 800K. Heat is gradually extracted from the system till the pressure reaches 50 kPa and the piston is situated on the lower stop. Make suitable assumptions and take data for standards constants from reference books/ lecture notes. (a) Find the net work done by the system (b) Find total heat extracted from the system. Assume specific heat to be 0.9 kJ/kg K (c) Draw the complete process on a P-V diagram. Show all pressure and volume values 3/4 H2
Transcribed Image Text:stirrer Problem 3: A vertical piston cylinder arrangement consists of a spring and two stops as shown in following Fig. Piston diameter is 20 cm, and mass is 10 kg. Piston is frictionless and is free to move between the stops (H1=10 cm and H2=20cm). Assume the thickness of piston and stops to be negligible. Spring is linear, with K=20 kN/m and natural length=15 cm. Initially, the piston is held at the upper stop. It contains air at a pressure 200 kPa and 800K. Heat is gradually extracted from the system till the pressure reaches 50 kPa and the piston is situated on the lower stop. Make suitable assumptions and take data for standards constants from reference books/ lecture notes. (a) Find the net work done by the system (b) Find total heat extracted from the system. Assume specific heat to be 0.9 kJ/kg K (c) Draw the complete process on a P-V diagram. Show all pressure and volume values 3/4 H2
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