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001 ocm51793372;

003 OCoLC;

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007 he bmb024bbca;

008 030305s1984 dcuao b f000 0 eng d;

037 a| N 85-16826b| NASA;

049 a| ERE$;

074 a| 0830-D (MF);

074 a| 0830-D (online);

086 0 a| NAS 1.15:86007;

245 00 a| Helicopter model rotor-blade vortex interaction impulsive noise :b| scalability and parametric variations /c| W.R. Splettstoesser ... [et al.].;

300 a| ii, 28 p. :b| ill.;

336 a| textb| txt2| rdacontent;

337 a| microformb| h2| rdamedia;

338 a| microficheb| he2| rdacarrier;

490 1 a| NASA technical memorandum ;v| 86007;

500 a| "Report date December 1984.";

500 a| GPO Cataloging Record Distribution Program (CRDP).;

520 a| Acoustic data taken in the anechoic Deutsch-Niederlaendischer Windkanal (DNW) have documented the blade-vortex interaction (BVI) impulsive noise radiated from a 1/7-scale model main rotor of the AH-1 series helicopter.;

530 a| Also available via Internet from the NTRS web site. Address as of 09/02/08: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19850008517%5F1985008517.pdf ; current access is available via PURL.;

650 0 a| Helicoptersx| Noise.=| ^A32679;

650 0 a| Rotors (Helicopters)x| Analysis.=| ^A448186;

650 7 a| Blade slap noise.2| nasat;

650 7 a| Blade-vortex interaction.2| nasat;

650 7 a| Helicopters.2| nasat;

650 7 a| Rotor blades (Turbomachinery)2| nasat;

650 7 a| Vortices.2| nasat;

700 1 a| Splettstoesser, W. R.?| UNAUTHORIZED;

710 2 a| Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt.=| ^A233775;

710 2 a| Army Research and Technology Laboratories (U.S.)=| ^A685863;

710 2 a| Ames Research Center.=| ^A101004;

830 0 a| NASA technical memorandumv| 86007.=| ^A467613;

856 41 u| https://purl.fdlp.gov/GPO/LPS101194;

949 a| NAS 1.15:86007w| sudoch| joyner32;

596 a| 1;

998 a| 1430709;

999 a| NAS 1.15:86007w| SUDOCc| 1i| MQ2684921l| JDOMIm| JOYNERr| Ys| Yt| JDOFMIu| 10/13/2008x| MICROFORMz| JFEDDOCSo| .STAFF. 0;

Helicopter model rotor-blade vortex interaction impulsive noise : scalability and parametric variations / W.R. Splettstoesser ... [et al.].

Format	Microform
Publication Info	Moffett Field, Calif. : National Aeronautics and Space Administration, Ames Research Center ; St. Louis, Mo. : United States Army Aviation Systems Command, [1984]
Description	ii, 28 p. : ill.
Supplemental Content	https://purl.fdlp.gov/GPO/LPS101194
Subjects	Helicopters--Noise. Rotors (Helicopters)--Analysis.

Other author/creator	Splettstoesser, W. R.
Other author/creator	Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt.
Other author/creator	Army Research and Technology Laboratories (U.S.)
Other author/creator	Ames Research Center.
Series	NASA technical memorandum ; 86007 NASA technical memorandum 86007. ^A467613
Abstract	Acoustic data taken in the anechoic Deutsch-Niederlaendischer Windkanal (DNW) have documented the blade-vortex interaction (BVI) impulsive noise radiated from a 1/7-scale model main rotor of the AH-1 series helicopter.
General note	"Report date December 1984."
General note	GPO Cataloging Record Distribution Program (CRDP).
Other forms	Also available via Internet from the NTRS web site. Address as of 09/02/08: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19850008517%5F1985008517.pdf ; current access is available via PURL.
Reproduction note	Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1985. 1 microfiche.
GPO item number	0830-D (MF)
GPO item number	0830-D (online)
Govt. docs number	NAS 1.15:86007
Stock number	N 85-16826 NASA

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Library	Location	Call Number	Status	Item Actions
Joyner	Microforms B300	NAS 1.15:86007	✔ Available

Helicopter model rotor-blade vortex interaction impulsive noise : scalability and parametric variations / W.R. Splettstoesser ... [et al.].

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