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035   $a(CKB)5470000002403586
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100   $a20100830d1992      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAcoustic mode measurements in the inlet of a model turbofan using a continuously rotating rake$b[electronic resource] /$fLaurence J. Heidelberg and David G. Hall
210  1$a[Washington, DC] :$c[National Aeronautics and Space Administration],$d[1992]
215   $a1 online resource (30 pages) $cdigital, PDF file
225 1 $aNASA technical memorandum ;$v105989
300   $aTitle from title screen (viewed Aug. 26, 2010).
320   $aIncludes bibliographical references (pages 6-7).
410  0$aNASA technical memorandum ;$v105989.
606   $aAcoustic measurement$2nasat
606   $aAcoustic properties$2nasat
606   $aDucted fan engines$2nasat
606   $aEngine inlets$2nasat
606   $aEngine noise$2nasat
606   $aJet aircraft noise$2nasat
606   $aMicrophones$2nasat
606   $aPropagation models$2nasat
606   $aShrouded propellers$2nasat
615  7$aAcoustic measurement.
615  7$aAcoustic properties.
615  7$aDucted fan engines.
615  7$aEngine inlets.
615  7$aEngine noise.
615  7$aJet aircraft noise.
615  7$aMicrophones.
615  7$aPropagation models.
615  7$aShrouded propellers.
700   $aHeidelberg$b Laurence J$01401979
701   $aHall$b David G$c(Engineer)$086645
712 02$aUnited States.$bNational Aeronautics and Space Administration.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910699534203321
996   $aAcoustic mode measurements in the inlet of a model turbofan using a continuously rotating rake$93471521
997   $aUNINA