Review: Problem Solving in Isentropic Process 02

A certain ideal gas whose R = 259.90 J/kg.°K and cp = 0.9198 kJ/kg.°K expands isentropically from 1715 kPa, 238°C to 965 kPa. for 544 g/s of this gas determine (a) Wn (b) V2 (c) ∆U (d) ∆H

Review: Problem Solving in Isentropic Process 02

Problem Statement:

A certain ideal gas whose R = 259.90 J/kg.°K and cp = 0.9198 kJ/kg.°K expands isentropically from 1715 kPa, 238°C to 965 kPa. for 544 g/s of this gas determine (a) Wn (b) V2 (c) ∆U (d) ∆H

Course: Thermodynamics

TOPIC: Processes of Ideal Gas

SUBTOPIC: Isentropic Process

DEFINITION: Isentropic Process is a reversible adiabatic process. Adiabatic simply means no heat. A reversible adiabatic is one of constant entropy.

Problem Answer:

a.) Wn = -44.35 kJ/s b.) V2 = 0.113 m^3/s c.) ∆U = 45.05 kJ/s d.) ∆H = 59.33 kJ/s

Solution:

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