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Consider a reservoir maintaining a saltwater solution with concentration C 0 , which is pumped into a tank of saltwater with volume V at flow
Consider a reservoir maintaining a saltwater solution with concentration which is
pumped into a tank of saltwater with volume at flow rate The contents of this
tank are pumped out at flow rate into a second tank with volume The contents
of the second tank are pumped out at flow rate
a Write a system of differential equations to describe the change in the concentration
of saltwater in both tanks, denoted A and respectively.
b Demonstrate the equations provided in the previous part lead to consistent units.
c Let hathat and hat and substitute into the differential equations
you obtained to formulate expressions for and
d Let hat and hathat What system of differential equations is obtained?
e What parameters result from the above substitution?
f What are the physical interpretations of the units and parameters?
g What are the steadystate solutions for the resulting system?
h What is the physical interpretation of each steady state?
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