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An adiabatic, SSSF.compressor operates on a homogeneous mixture of two gases: Propane and methane. Using Kay's Rule, the pseuda-critical temperature and pressure for the mixture are AE125 MPa

An adiabatic, SSSF.compressor operates on a homogeneous mixture of two gases: Propane and methane. Using Kay's Rule, the pseuda-critical temperature and pressure for the mixture are AE125 MPa

Introduction to Chemical Engineering Thermodynamics
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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An adiabatic, SSSF.compressor operates on a homogeneous mixture of two gases: Propane and methane. Using Kay's Rule, the pseuda-critical temperature and pressure for the mixture are Tc mix 235.25K, Pc_mix 4.5125 MPa. The molecular weight of the mixture is M_mix= 23.0535 Kg/Kmole and Cpo_mix= 45.625 KJ/Kmole/K (where applicable assume constant specific heats) the initial temperature of the mixture is T_1= 117.625K; the final temperature T 2 2T 1. The following compressibility factor for the mixture are noted: Z_1mix = 0.1236, Z_2mix = 0.2237 %3! Using Kay's Rule and generalized compressibility methods, determine the following: a. Find the mole fractions of the propane and methane, respectively b. Find the initial and final pressures in KPa C. Find the Initial and final specific volumes of the mixture in m^3/kg d. Find the power input to the compressor in KWatts, assuming mass flow rate, m = 1kg %3D
Transcribed Image Text:An adiabatic, SSSF.compressor operates on a homogeneous mixture of two gases: Propane and methane. Using Kay's Rule, the pseuda-critical temperature and pressure for the mixture are Tc mix 235.25K, Pc_mix 4.5125 MPa. The molecular weight of the mixture is M_mix= 23.0535 Kg/Kmole and Cpo_mix= 45.625 KJ/Kmole/K (where applicable assume constant specific heats) the initial temperature of the mixture is T_1= 117.625K; the final temperature T 2 2T 1. The following compressibility factor for the mixture are noted: Z_1mix = 0.1236, Z_2mix = 0.2237 %3! Using Kay's Rule and generalized compressibility methods, determine the following: a. Find the mole fractions of the propane and methane, respectively b. Find the initial and final pressures in KPa C. Find the Initial and final specific volumes of the mixture in m^3/kg d. Find the power input to the compressor in KWatts, assuming mass flow rate, m = 1kg %3D
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