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In Flight Flow Visualization Characteristics Of The Nasa F 18 High Alpha Research Vehicle At High Angles Of Attack
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722303402 Total Pages :34 pages Book Rating :4.3/5 (34 download)
Book Synopsis In-Flight Flow Visualization Characteristics of the NASA F-18 High Alpha Research Vehicle at High Angles of Attack by : National Aeronautics and Space Administration (NASA)
Download or read book In-Flight Flow Visualization Characteristics of the NASA F-18 High Alpha Research Vehicle at High Angles of Attack written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-05 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface and off-surface flow visualization techniques were used to visualize the 3-D separated flows on the NASA F-18 high alpha research vehicle at high angles of attack. Results near the alpha = 25 to 26 deg and alpha = 45 to 49 deg are presented. Both the forebody and leading edge extension (LEX) vortex cores and breakdown locations were visualized using smoke. Forebody and LEX vortex separation lines on the surface were defined using an emitted fluid technique. A laminar separation bubble was also detected on the nose cone using the emitted fluid technique and was similar to that observed in the wind tunnel test, but not as extensive. Regions of attached, separated, and vortical flow were noted on the wing and the leading edge flap using tufts and flow cones, and compared well with limited wind tunnel results. Fisher, David F. and Delfrate, John H. and Richwine, David M. Ames Research Center; Armstrong Flight Research Center RTOP 505-68-71...
Book Synopsis In-flight Flow Visualization Characteristics of the NASA F-18 High Alpha Research Vehicle at High Angles of Attack by : David F. Fisher
Download or read book In-flight Flow Visualization Characteristics of the NASA F-18 High Alpha Research Vehicle at High Angles of Attack written by David F. Fisher and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Summary of In-flight Flow Visualization Obtained from the NASA High Alpha Research Vehicle by : David F. Fisher
Download or read book Summary of In-flight Flow Visualization Obtained from the NASA High Alpha Research Vehicle written by David F. Fisher and published by . This book was released on 1991 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Overview of the NASA F-18 High Alpha Research Vehicle by : Albion H. Bowers
Download or read book An Overview of the NASA F-18 High Alpha Research Vehicle written by Albion H. Bowers and published by . This book was released on 1996 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-flight Wing Pressure Distributions for the NASA F/A-18A High Alpha Research Vehicle by : Mark C. Davis
Download or read book In-flight Wing Pressure Distributions for the NASA F/A-18A High Alpha Research Vehicle written by Mark C. Davis and published by . This book was released on 2000 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pressure distributions on the wings of the F/A-18A High Alpha Research Vehicle (HARV) were obtained using both flush-mounted pressure orifices and surface-mounted pressure tubing. During quasi-stabilized 1-g flight, data were gathered at ranges for angle of attack from 5 to 70 degrees, for angle of sideslip from -12 to +12 degrees, and for Mach from 0.23 to 0.64, at various engine settings, and with and without the leading edge extension fence installed. Angle of attack strongly influenced the wing pressure distribution, as demonstrated by a distinct flow separation pattern that occurred between the range from 15 to 30 degrees. Influence was seen on the outboard portion of the wing. Angle-of-sideslip influence on wing pressure distribution was strongest at low angle of attack. Influence of Mach number was observed in the regions of local supersonic flow, diminshing as angle of attack was increased. Engine throttle setting had little influence on the wing pressure distribution.
Book Synopsis Forebody Flow Visualization on the F-18 HARV with Actuated Forebody Strakes by : David F. Fisher
Download or read book Forebody Flow Visualization on the F-18 HARV with Actuated Forebody Strakes written by David F. Fisher and published by . This book was released on 1998 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Off-surface smoke flow visualization and extensive pressure measurements were obtained on the forebody of the NASA F-18 High Alpha Research Vehicle equipped with actuated forebody strakes. Test points at [alpha]=50 deg. were examined in which only one strake was deflected or in which both strakes were deflected differentially. The forebody pressures were integrated to obtain forebody yawing moments. Results showed that small single strake deflections can cause an undesirable yawing moment reversal. At [alpha]=50 deg., this reversal was corrected by deploying both strakes at 20 deg. initially, then differentially from 20 deg. to create a yawing moment. The off-surface flow visualization showed that in the case of the small single strake deflection, the resulting forebody/strake vortex remained close to the surface and caused accelerated flow and increased suction pressures on the deflected side. When both strakes were deflected differentially, two forebody/strake vortices were present. The forebody/strake vortex from the larger deflection would lift from the surface while the other would remain close to the surface. The nearer forebody/strake vortex would cause greater flow acceleration, higher suction pressures and a yawing moment on that side ot the forebody. Flow visualization provided clear description of the strake vortices fluid mechanics.
Book Synopsis Navier-Stokes, Flight, and Wind Tunnel Flow Analysis for the F/A-18 Aircraft by : Farhad Ghaffari
Download or read book Navier-Stokes, Flight, and Wind Tunnel Flow Analysis for the F/A-18 Aircraft written by Farhad Ghaffari and published by . This book was released on 1994 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-flight Leading-edge Extension Vortex Flow-field Survey Measurements on a F-18 Aircraft at High Angle of Attack by : David M. Richwine
Download or read book In-flight Leading-edge Extension Vortex Flow-field Survey Measurements on a F-18 Aircraft at High Angle of Attack written by David M. Richwine and published by . This book was released on 1992 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1992 with total page 1384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind Tunnel Investigation of Vortex Flows on F/A-18 Configuration at Subsonic Through Transonic Speeds by : Gary E. Erickson
Download or read book Wind Tunnel Investigation of Vortex Flows on F/A-18 Configuration at Subsonic Through Transonic Speeds written by Gary E. Erickson and published by . This book was released on 1991 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1990 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautics and Space Report of the President by : United States. President
Download or read book Aeronautics and Space Report of the President written by United States. President and published by . This book was released on 1990 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA's Contributions to Aeronautics: Flight environment, operations, flight testing, and research by :
Download or read book NASA's Contributions to Aeronautics: Flight environment, operations, flight testing, and research written by and published by . This book was released on 2010 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
Book Synopsis High-Alpha Handling Qualities Flight Research on the NASA F/A-18 High Alpha Research Vehicle by : Keith D. Wichman
Download or read book High-Alpha Handling Qualities Flight Research on the NASA F/A-18 High Alpha Research Vehicle written by Keith D. Wichman and published by . This book was released on 1996 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
