?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Inferring+Thermal+Turbulent+Structures+Properties+in+the+Wake+of+an+Array+Cylindrical+Obstacles&rft.creator=Mulahasan%2C+S&rft.creator=Stoesser%2C+T&rft.description=In+this+study+a+thermal+camera+was+used+to+inferring+the+properties+of+thermal+turbulent+structures+at+the+water+surface+of+an+array+of+emergent+vertical+cylindrical+obstacles+located+in+staggered+fashion+at+one+side+of+an+open+channel+flow.+Three+different+diameters+(D+%3D+1.25+cm%2C+2.5+cm+and+5.0+cm)+were+tested.+A+thermal+camera+SC640+was+used+to+record+a+series+of+snapshots+of+the+water+surface+temperature+distribution+in+the+wake+of+the+cylinders+at+section+where+the+flow+was+uniform+and+fully+developed.+The+selection+was+made+after+watching+a+video+to+locate+the+most+suitable+areas+for+eddies+and+turbulence+development.+For+the+selected+location%2C+temperature+values+were+extracted+for+each+sequence+at+five+selection+points+in+the+wake+region+using+Matlab+software.+Time+series+of+temperature+for+the+snapshots+of+the+five+selected+points+in+the+area+of+eddy+formation+were+drawn.+The+energy+of+the+eddies+were+extracted+using+Fourier+transforms.+The+results+showed+successive+peaks+with+a+slope+of+-+5%2F3.+Evaluation+of+the+eddies+in+the+wake+of+the+cylindrical+rods+showed+that+the+energy+of+the+eddies+is+small+at+high+frequency+and+large+eddies+were+observed+at+low+frequencies.&rft.publisher=E3S+Web+of+Conferences&rft.date=2018-09-05&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+River+Flow+2018+%3A+9th+International+Conference+on+Fluvial+Hydraulics.++(pp.+pp.+1-8).++E3S+Web+of+Conferences%3A+Lyon%2C+France.+(2018)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10058275%2F1%2FMulahasan_3sconf_riverflow2018_05007.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10058275%2F&rft.rights=open