摘要
Thispaperinvestigatestheeffectofupstreamwakeonunsteadyseparatedflowfieldofdownstreamadjacentvanesbysolving2DunsteadyReynolds-averagedNavier-Stokesequationsdiscretizedbyahigh-orderscheme.Theresultsindicatedthatthemaximumrelativereductionoflosscoefficientwas27.2%whentherelativepassingfrequency(theratioofwakepassingfrequencytothecharacteristicfrequencyoftrailing-vortexsheddingofdownstreamadjacentrotor)islessthan2.5.Theamplitudeofwakedefectexistsathresholdvalueandtheaerodynamicperformanceisenhancedmonotonicallywiththeamplitudeofwakedefectbasically.Theeffectiverangeofincidencemustbegreaterthan8°,whichisnearthestallboundary.
出版日期
2004年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
