Similitude in cyclone separators

•Similarity criteria for reverse flow cyclone separators with any inlet distribution are developed.•Application isdemonstrated by example using data from the literature.•Practical points to consider in application are presented in the Conclusion.

Criteria for similitude in reverse flow cyclone separators are developed in this paper explicitly including the inlet particulate probability distribution. The application of these criteria is demonstrated by example using data from the literature. Some practical points to consider when using cyclone similarity relations are presented in the Conclusion.

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