The tracer method was first introduced to measure the actual flow of fluid in a vessel, and then to develop a suitable model to represent this flow. Such models are used to follow the flow of fluid in chemical reactors and other process units, in rivers and streams, and through soils and porous structures. Also, in medicine they are used to study the flow of chemicals, harmful or not, in the blood streams of animals and man.
Tracer Technology, written by Octave Levenspiel, shows how we use tracers to follow the flow of fluids and then we develop a variety of models to represent these flows. This activity is called tracer technology.
This volume shows how tracers can be used to follow the flow of fluids. It also develops a variety of models to represent these flows. It includes examples and problems to help enhance understanding of concepts.
The Tracer Method.- The Mean and Variance of a Tracer Curve.- The E and the F Curves.- Two Ideal Flow Models?-?Plug Flow and Mixed Flow.- Compartment Models.- The Dispersion Model.- Intermixing Between Flowing Fluids.- The Tanks-in-Series Model.- Convection Model for Laminar Flow in Pipes.- Batch Systems.- The Stirred Tank -?Mixing Time and Power Requirement.- Meandering Flow and Lateral Dispersion.
A vessels behavior as a heat exchanger, absorber, reactor, or other process unit is dependent upon how fluid flows through the vessel.? In early engineering, the designer would assume either plug flow or mixed flow of the fluid through the vessel.? However, these assumptions were oftentimes inaccurate, sometimes being off by a volume factor of 100 or more.? The result of this unreliable figure produced ineffective products in multiple reaction systems.
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Written by a pioneering researcher in the field of chemical engineering, the tracer method was introduced to provide more accurate flow data.? First, the tracer method measured the actul“\
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