Residence time distribution in real systems

David Wolf, William Resnick

Research output: Contribution to journalArticlepeer-review

92 Scopus citations


The measurement and analysis of residence time distribution is an important tool in the study of continuous flow systems. A study of available experimental data shows that the usual assumptions of perfect mixing or plug flow do not correspond to the situation existing in real flow systems. The residence time distribution for real systems can be represented by an F-function of the form [formula ommited] This equation results for a number of plausible flow models that include the additional possibilities of deadspace, short-circuiting, error in average residence time determination, and lag in response and any combination of these models. This equation can be used to describe the experimental results obtained for single as well as multistage systems.

Original languageEnglish
Pages (from-to)287-293
Number of pages7
JournalIndustrial and Engineering Chemistry Fundamentals
Issue number4
StatePublished - 1 Nov 1963
Externally publishedYes


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