Control Regime
Abstract
This chapter presents the concept of control regime and the need to identify the regime controlling a model before using that model to scale a prototype. We generally represent the individual steps of a process with an overall rate constant. The overall heat transfer coefficient is such a constant, as is the overall reaction rate constant. Inverting an overall rate constant shows it to be a composite resistance. In other words, we can represent each step of a process as a resistance and sum those resistances to obtain an overall resistance. Anyone of those individual resistances can dominate the other resistances. Because several dimensionless parameters contain overall rate constants, we must determine which step ...
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