a - [1 + m (1-√T₁)]² = R A stream of propane at temperature T = 423 K and pressure p (atm) flows at a rate of 100.0 kmol/hr. Use the SRK equation of state to estimate the volumetric flow rate Vlow of the stream for p = 0.8 atm, 8 atm, and 80 atm. In each case, calculate the percentage differences between the predictions of the SRK equation and the ideal gas equation of state. Data for propane: T₁ = 369.9 K. Pe = 42.0 atm, and w = 0.152
a - [1 + m (1-√T₁)]² = R A stream of propane at temperature T = 423 K and pressure p (atm) flows at a rate of 100.0 kmol/hr. Use the SRK equation of state to estimate the volumetric flow rate Vlow of the stream for p = 0.8 atm, 8 atm, and 80 atm. In each case, calculate the percentage differences between the predictions of the SRK equation and the ideal gas equation of state. Data for propane: T₁ = 369.9 K. Pe = 42.0 atm, and w = 0.152
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:a =
1+ m
A stream of propane at temperature T= 423 K and pressure p (atm) flows at a rate of 100.0 kmol/hr. Use the SRK equation of
state to estimate the volumetric flow rate Voow of the strcam for p = 0,8 atm, 8 atm, and 80 atm, In cach case, calculate the
percentage differences betwcen the predictions of the SRK cquation and the ideal gas equation of state.
Data for propanc:
T = 369.9 K.
Pc = 42.0 atm, and
w = 0.152
Transcribed Image Text:re.com
D
Question 1
The Soave-Redlick-Kwong (SRK) equation belongs to a class of cubic equations of state because, when expanded, they yield
third-degree equations for the specific volume. The SRK equation of state is
p = - lu+b)
In this equation, the parameters a, b, and a are empirical functions of the critical temperature (T.) and pressure (p.). the Pitzer
acentric factor (w), and the system temperature. The following correlations can be used to estimate these parameters:
(Rr.'
= 0.42747
Pe
a
RT
b = 0.08664
Pe
0.48508 + 1.55171@- 0.1561w?
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