Analytical solutions for transverse distributions of stream-wise velocity in turbulent flow in rectangular channel with partial vegetation.pdf

Appl．Math．Mech．-EngL Ed．，32(4)，459-468(2011) Mathematics DOI Applied 10．1007／s10483-011—1430-6 andMechanics and @ShanghaiUniversitySpringer-Verlag Berlin 2011 (EnglishEdition) Heidelberg solutionsfortransverse of Analytical distributionsstream—wise inturbulentflowin channelwith velocity rectangular partialvegetation4 Wen-xin GENG(耿JII)，Yu-hong HUM(槐文信)，Chuan ZENG(曾玉红)， Zhong-hua YANG(杨中华) ofWaterRe$ource$and (StateKeyLaboratory Science， HydropowerEngineering Wuhan University,Wuhan430072，P．R．China) Abstract’I飞eof isintroducedto the theoryporoelasticity studyhydraulicproperties ofthe flowin uniformturbulenta channel．Plants steady partiallyvegetatedrectangular areassumedasimmovablemedia．Theresistancecaused is the byvegetationexpressedby of theinfluenceofasecondaryflow，themomentum theoryporoelasticity．Considering Canbe momentumisnondimensionalizedtoobtaina equationsimplified．Theequation smoothsolutionfortheIateraldistributionofthe the lon$ltudinalvelocity．Toverify acoustic usedtomeasurethe ina model，an Dopplervelocimeter(ADV)isvelocity丘eld