LEADER 02231oam 2200565 450 001 9910704398603321 005 20160302142351.0 035 $a(CKB)5470000002439694 035 $a(OCoLC)777595766 035 $a(EXLCZ)995470000002439694 100 $a20120220j199703 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aUnsteady velocity measurements taken behind a model helicopter rotor hub in forward flight /$fJohn D. Berry 210 1$aHampton, Virginia :$cNational Aeronautics and Space Administration, Langley Research Center,$dMarch 1997. 215 $a1 online resource (245 pages) $cchiefly illustrations 225 1 $aNASA technical memorandum ;$v4738 300 $aTitle from title screen (viewed Feb. 23, 2016). 300 $a"March 1997." 300 $a"Performing organizations: NASA Langley Research Center [and] Joint Research Program Office, Aeroflightdynamics Directorate, U.S. Army Aviation and Troop Command, NASA Langley Research Center"--Report documentation page. 300 $a"ATCOM technical report 97-A-001." 320 $aIncludes bibliographical references (page 7). 606 $aVelocity measurement$2nasat 606 $aSeparated flow$2nasat 606 $aTurbulence effects$2nasat 606 $aVelocity distribution$2nasat 606 $aAerodynamic configurations$2nasat 615 7$aVelocity measurement. 615 7$aSeparated flow. 615 7$aTurbulence effects. 615 7$aVelocity distribution. 615 7$aAerodynamic configurations. 700 $aBerry$b John D.$0209809 712 02$aU.S. Army Aviation and Troop Command.$bAeroflightdynamics Directorate. 712 02$aLangley Research Center, 712 02$aUnited States.$bNational Aeronautics and Space Administration, 712 02$aU.S. Army Aviation and Troop Command, 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCF 801 2$bOCLCO 801 2$bGPO 906 $aBOOK 912 $a9910704398603321 996 $aUnsteady velocity measurements taken behind a model helicopter rotor hub in forward flight$93481769 997 $aUNINA