polytropic process according a law (PV1.3=C)

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
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Q2: A perfect gas has a mass 1.2 kg and pressure 0.8 bar
and volume 0.5 m³. This gas is compressed and
undergoes to polytropic process according a law (PV1.3=C)
until pressure become 15 bar. And then, the gas is
expanded at iso-thermal process until final volume
returns to initial volume. Calculate work done in
polytroic process and the change entropy in each process.
Take y = 1.4 and R = 0. 288 kJ/kg.K
Transcribed Image Text:Q2: A perfect gas has a mass 1.2 kg and pressure 0.8 bar and volume 0.5 m³. This gas is compressed and undergoes to polytropic process according a law (PV1.3=C) until pressure become 15 bar. And then, the gas is expanded at iso-thermal process until final volume returns to initial volume. Calculate work done in polytroic process and the change entropy in each process. Take y = 1.4 and R = 0. 288 kJ/kg.K
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