Models single compartment with inflowing and outflowing concentration of a single substance.
Model number: 0282
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A Flow carries an inflow concentration, Cin, into a one compartment model with a given Volume. Cin is constantly and instantaneously well mixed becoming C, the concentration in the compartment. C empties out of the compartment and is designated Cout. No reactions occur in this system. For a constant concentration of inflowing material the analytic solution is given. Various methods for checking the calculations in a model are illustrated: (1) comparison with an analytic solution, (2) two methods of calculating the amount of material in a compartment with flow, (3) comparison of the running integrals of inflow and outflow concentrations, and (4) calculation of the system transit time of a compartment model with flow by two different methods.
Further reading: Understanding the Comp1FlowPlus Model Download PDF file.