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| | | #REDIRECT: [[Similarity theory]] |
| #REDIRECT [[similarity theory]] | |
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| == similarity theory ==
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| <div class="definition"><div class="short_definition">An empirical method of finding universal relationships between [[variables]] that are made dimensionless using appropriate scaling factors.</div><br/> <div class="paragraph">The [[dimensionless groups]] of variables are called Pi groups and are found using a [[dimensional analysis]] method known as [[Buckingham Pi theory]]. Similarity methods have proved very useful in the [[atmospheric boundary layer]], where the complexity of turbulent processes precludes direct solution of the exact governing equations. <br/>''See'' [[mixed-layer similarity]], [[local free-convection similarity]], [[local similarity]].</div><br/> </div><div class="reference">Stull, R. B. 1988. An Introduction to Boundary Layer Meteorology. 666 pp. </div><br/>
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