Roughness length: Difference between revisions
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<div class="definition"><div class="short_definition"><br/>''See'' [[ | <div class="definition"><div class="short_definition">(''Also called'' roughness coefficient.) A measure of the roughness of a surface over which a fluid is flowing, defined as follows: <div class="display-formula"><blockquote>[[File:ams2001glos-Re50.gif|link=|center|ams2001glos-Re50]]</blockquote></div> where ''z''<sub>0</sub> is the roughness length and ε is the average height of surface irregularities.</div><br/> <div class="paragraph"><br/>''See'' [[logarithmic velocity profile]].</div><br/> </div> | ||
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Revision as of 15:02, 20 February 2012
roughness length
(Also called roughness coefficient.) A measure of the roughness of a surface over which a fluid is flowing, defined as follows: where z0 is the roughness length and ε is the average height of surface irregularities.
