Streams 1 is coming from an upstream unit (temperature, flowrates and concentration are known function of time). Stream 2 is not necessarily pure and its temperature can vary with time. Its flowrate can be manipulated using a control valve. Assuming that a perfect mixing occurs, liquid density and heat capacity constants, and heat losses and shaft work to be negligible. Derive a dynamic model of the process and make a degrees of freedom analysis for the model.
Streams 1 is coming from an upstream unit (temperature, flowrates and concentration are known function of time). Stream 2 is not necessarily pure and its temperature can vary with time. Its flowrate can be manipulated using a control valve. Assuming that a perfect mixing occurs, liquid density and heat capacity constants, and heat losses and shaft work to be negligible. Derive a dynamic model of the process and make a degrees of freedom analysis for the model.
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:2.1 A stirred-tank blending and heating system with a
variable hold-up volume is shown below.
Where:
Temperature of A in stream i
Mass flow rate of A in stream i
Ti
Wi
Xi
Mass fraction of A in stream i
Heating rate by an electric heater
Volume of liquid in tank
Q
V
Streams 1 is coming from an upstream unit (temperature,
flowrates and concentration are known function of time).
Stream 2 is not necessarily pure and its temperature can vary
with time. Its flowrate can be manipulated using a control
valve. Assuming that a perfect mixing occurs, liquid density
and heat capacity constants, and heat losses and shaft work
to be negligible. Derive a dynamic model of the process and
make a degrees of freedom analysis for the model.
Mixture of A and B
Mixture of A and B
T,
W,
X,
т
Нeater
Figure 1
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