LEADER 01995oam 2200541 450 001 9910709885903321 005 20190110073720.0 035 $a(CKB)5470000002473394 035 $a(OCoLC)1045426021 035 $a(OCoLC)995470000002473394 035 $a(EXLCZ)995470000002473394 100 $a20180723j201805 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aDual rotating rake measurements of higher-order duct modes $evalidation using experimental and numerical data /$fMilo D. Dahl, Duane R. Hixon, Daniel L. Sutliff 210 1$aCleveland, Ohio :$cNational Aeronautics and Space Administration, Glenn Research Center,$dMay 2018. 215 $a1 online resource (37 pages) $cillustrations (some color) 225 1 $aNASA/TM ;$v2018-219898/REV1 300 $a"August 2018." 300 $a"This revised copy, numbered as NASA/TM---2018-219898/REV1, August 2018, supersedes the previous version, NASA/TM---2018-219898, May 2018, in its entirety." 320 $aIncludes bibliographical references. 517 $aDual rotating rake measurements of higher-order duct modes 606 $aStator blades$2nasat 606 $aData flow analysis$2nasat 606 $aGeometry$2nasat 606 $aAcoustic measurement$2nasat 606 $aNoise reduction$2nasat 608 $aOnline resources. 615 7$aStator blades. 615 7$aData flow analysis. 615 7$aGeometry. 615 7$aAcoustic measurement. 615 7$aNoise reduction. 700 $aDahl$b Milo D.$f1956-$01397975 702 $aHixon$b Duane R. 702 $aSutliff$b Daniel L$g(Daniel Linden),$f1962- 712 02$aNASA Glenn Research Center, 801 0$bGPO 801 1$bGPO 801 2$bMERUC 801 2$bGPO 906 $aBOOK 912 $a9910709885903321 996 $aDual rotating rake measurements of higher-order duct modes$93503363 997 $aUNINA