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003 OCoLC;

005 20141212054702.0;

006 m d f ;

007 cr cn|||||||||;

008 080513s2003 mdua ob f000 0 eng d;

027 a| ARL-TR-3007;

029 0 a| DTICEb| ADA417242;

035 a| (Sirsi) o74252802;

035 a| (OCoLC)74252802;

040 a| DTICEc| DTICEd| GPOd| UtOrBLW;

049 a| ERE#;

074 a| 0324-A-01 (online);

086 0 a| D 101.133:3007;

100 1 a| Danberg, James E.=| ^A1033183;

245 13 a| An approximate method for pitch-damping prediction /c| James E. Danberg and Paul Weinacht.;

260 a| Aberdeen Proving Ground, MD :b| Army Research Laboratory,c| [2003];

300 a| 1 online resource (1 volume (various pagings)) :b| digital, PDF file.;

336 a| text2| rdacontent;

337 a| computer2| rdamedia;

338 a| online resource2| rdacarrier;

490 1 a| ARL-TR ;v| 3007;

500 a| Title from title screen (viewed Nov. 26, 2010).;

500 a| "July 2003.";

500 a| The original document contains color images. All DTIC reproductions will be in black and white.;

504 a| Includes bibliographical references (p. 32-33).;

506 a| APPROVED FOR PUBLIC RELEASE.;

520 a| A simple method of estimating the pitch-damping coefficients for axisymmetric flight bodies has been developed. The method is suitable for preliminary design and parametric studies. The procedure is based on concepts from slender body theory, but the method significantly improves the accuracy of the results through the use of correlation functions. To derive the correlation functions, extensive use of a recently developed and validated computational fluid dynamics (CFD) method for predicting the pitch-damping coefficients has been employed. The CFD method provides important details necessary to derive the correlation functions that are unavailable from the current experimental database. The method has been validated for a variety of nose geometries, body lengths, and Mach numbers using both experimental and computationally generated databases.;

650 0 a| Axial flow.=| ^A428925;

650 0 a| Angle of attack (Aerodynamics)=| ^A593563;

650 0 a| Flight control.=| ^A424690;

650 17 a| Mechanics.2| scgdst;

650 27 a| Ammunition and Explosives.2| scgdst;

650 17 a| Pitch(inclination)2| dtict;

650 17 a| Damping.2| dtict;

650 17 a| Computational fluid dynamics.2| dtict;

650 27 a| Data bases.2| dtict;

650 27 a| Aerodynamic configurations.2| dtict;

650 27 a| Flight testing.2| dtict;

650 27 a| Parametric analysis.2| dtict;

650 27 a| Slender bodies.2| dtict;

650 27 a| Predictions.2| dtict;

650 27 a| Validation.2| dtict;

650 27 a| Projectiles.2| dtict;

650 27 a| Theory.2| dtict;

650 27 a| Accuracy.2| dtict;

650 27 a| Correlation.2| dtict;

650 27 a| Coefficients.2| dtict;

650 27 a| Length.2| dtict;

650 27 a| Axisymmetric.2| dtict;

650 27 a| Mach number.2| dtict;

650 27 a| Noses.2| dtict;

650 27 a| Functions(mathematics)2| dtict;

700 1 a| Weinacht, P.=| ^A1025633;

710 2 a| U.S. Army Research Laboratory.=| ^A367731;

830 0 a| ARL-TR (Aberdeen Proving Ground, Md.) ;v| 3007.=| ^A566074;

856 40 u| http://purl.fdlp.gov/GPO/gpo1394;

949 a| Click on web addressw| ASISh| JOYNER94;

994 a| C0b| ERE;

596 a| 1;

998 a| 2390175;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 2390175-1001l| JNETm| JOYNERr| Ys| Yt| JNE1DOu| 1/11/2011x| EDOCUMENTz| JERESOURCE;

An approximate method for pitch-damping prediction / James E. Danberg and Paul Weinacht.

Author/creator	Danberg, James E.
Other author	Weinacht, P.
Other author	U.S. Army Research Laboratory.
Format	Electronic
Publication Info	Aberdeen Proving Ground, MD : Army Research Laboratory, [2003]
Description	1 online resource (1 volume (various pagings)) : digital, PDF file.
Supplemental Content	http://purl.fdlp.gov/GPO/gpo1394
Subjects	Axial flow. Angle of attack (Aerodynamics) Flight control.

Series	ARL-TR ; 3007 ARL-TR (Aberdeen Proving Ground, Md.) ; 3007. ^A566074
Abstract	A simple method of estimating the pitch-damping coefficients for axisymmetric flight bodies has been developed. The method is suitable for preliminary design and parametric studies. The procedure is based on concepts from slender body theory, but the method significantly improves the accuracy of the results through the use of correlation functions. To derive the correlation functions, extensive use of a recently developed and validated computational fluid dynamics (CFD) method for predicting the pitch-damping coefficients has been employed. The CFD method provides important details necessary to derive the correlation functions that are unavailable from the current experimental database. The method has been validated for a variety of nose geometries, body lengths, and Mach numbers using both experimental and computationally generated databases.
General note	Title from title screen (viewed Nov. 26, 2010).
General note	"July 2003."
General note	The original document contains color images. All DTIC reproductions will be in black and white.
Bibliography note	Includes bibliographical references (p. 32-33).
Access restriction	APPROVED FOR PUBLIC RELEASE.
Issued in other form	Paper version: Danberg, James E. Approximate method for pitch-damping prediction. 1 v. (various pagings).
Technical rpt#	ARL-TR-3007
GPO item number	0324-A-01 (online)
Govt. docs number	D 101.133:3007

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An approximate method for pitch-damping prediction / James E. Danberg and Paul Weinacht.

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