Environmental Engineering Reference
In-Depth Information
Appendix C: Pulse analysis
Pulse analysis is a means to couple experimental measurements with a mass transfer model
of the system to evaluate various parameters in the model. The experimental measurements
are straightforward. A pulse, typically a square wave, of a solute enters the inlet of the
system. The concentration profile of the solute at the system outlet is measured. This
is shown graphically in Figure C.1. The mass transfer model is solved for the solute
concentration using Laplace transforms. The solute concentration and various derivatives
in the Laplace domain will be shown to be related to various moments of the concentration
vs time data.
INPUT
OUTPUT
Time, t
Figure C.1
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