Q2. Air in a piston that undergoes two processes. First the air is at 100 kPa with a specific volume of 0.04 m3/Kg. compressed to a specific volume of 0.02 m³/kg, which obeys e polytropic effect, where Py1.2 = constant. In the second step the air is subjected to onstant pressure process where the final specific volume is equal to the initial state. O Sketch the processes on the P-v diagram and label all states. Determine the specific work for each step and the overall process. Determine if the total work is out of the system or into the system.
Q2. Air in a piston that undergoes two processes. First the air is at 100 kPa with a specific volume of 0.04 m3/Kg. compressed to a specific volume of 0.02 m³/kg, which obeys e polytropic effect, where Py1.2 = constant. In the second step the air is subjected to onstant pressure process where the final specific volume is equal to the initial state. O Sketch the processes on the P-v diagram and label all states. Determine the specific work for each step and the overall process. Determine if the total work is out of the system or into the system.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Q2.
Air in a piston that undergoes two processes. First the air is at 100 kPa with
a specific volume of 0.04 m3/Kg. compressed to a specific volume of 0.02 m³/kg, which obeys
a polytropic effect, where Pv1.2
= constant. In the second step the air is subjected to
constant pressure process where the final specific volume is equal to the initial state.
(a) Sketch the processes on the P-v diagram and label all states.
(b) Determine the specific work for each step and the overall process.
(c) Determine if the total work is out of the system or into the system.
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