LEADER 01936nam 2200541Ia 450 001 9910698968803321 005 20090624111628.0 035 $a(CKB)5470000002398186 035 $a(OCoLC)407110637 035 $a(EXLCZ)995470000002398186 100 $a20090624d1989 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aNoise produced by turbulent flow into a rotor$b[electronic resource] $etheory manual for atmospheric turbulence prediction and mean flow and turbulence contraction prediction /$fJ.C. Simonich 210 1$aHampton, Va. :$cNational Aeronautics and Space Administration, Langley Research Center,$d[1989] 215 $ai, 20 pages $cillustrations 225 1 $aNASA contractor report ;$v181789 300 $aTitle from title screen (viewed June 23, 2009) 300 $a"June 1989." 300 $a"Contract NAS1-17763." 320 $aIncludes bibliographical references (page 19). 517 $aNoise produced by turbulent flow into a rotor 606 $aRotors (Helicopters) 606 $aBoundary layer noise 606 $aAtmospheric turbulence$2nasat 606 $aIngestion$2nasat 606 $aMathematical models$2nasat 606 $aPrediction analysis techniques$2nasat 606 $aPropeller noise$2nasat 606 $aTurbulent flow$2nasat 615 0$aRotors (Helicopters) 615 0$aBoundary layer noise. 615 7$aAtmospheric turbulence. 615 7$aIngestion. 615 7$aMathematical models. 615 7$aPrediction analysis techniques. 615 7$aPropeller noise. 615 7$aTurbulent flow. 700 $aSimonich$b John C$g(John Charles)$01391686 712 02$aLangley Research Center. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910698968803321 996 $aNoise produced by turbulent flow into a rotor$93445654 997 $aUNINA