Last edited by Shakashakar
Monday, May 4, 2020 | History

3 edition of F-18 High Alpha Research Vehicle surface pressures found in the catalog.

F-18 High Alpha Research Vehicle surface pressures

F-18 High Alpha Research Vehicle surface pressures

initial in-flight results and correlation with flow visualization and wind-tunnel data

  • 45 Want to read
  • 38 Currently reading

Published by NASA Ames Resarch Center, Dryden Flight Research Facility, National Technical Information Service, distributor] in Edwards, Calif, [Springfield, Va .
Written in English

    Subjects:
  • Aerodynamic load.,
  • Flow visualization.,
  • Angle of attack.,
  • F-18 aircraft.,
  • Flight tests.,
  • Forebodies.,
  • Leading edges.,
  • Mach number.,
  • Pressure distribution.,
  • Wind tunnel tests.

  • Edition Notes

    StatementDavid F. Fisher, Daniel W. Banks, David M. Richwine.
    SeriesNASA technical memorandum -- 101724
    ContributionsBanks, Daniel W., Richwine, David M., Dryden Flight Research Facility., AIAA Applied Aeronautics Conference (8th : 1990 : Portland, Or.)
    The Physical Object
    FormatMicroform
    Pagination36 p.
    Number of Pages36
    ID Numbers
    Open LibraryOL20571043M

    The Hornet's normally high angle of attack performance envelope was put to rigorous testing and enhanced in the NASA F High Alpha Research Vehicle (HARV). NASA used the F HARV to demonstrate flight handling characteristics at high angle-of-attack (alpha) of 65–70 degrees using thrust vectoring vanes. [22]Manufacturer: McDonnell Douglas (–), . F High Alpha Research Vehicle (HARV) photos at NASA Dryden Flight Research Center, Edwards, California.

    including its aerodynamic characteristics and control surface description is presented for the purpose of linear and nonlinear analysis of flight control system. The model is developed based on the publicly available aerodynamic data for the F/A High-Alpha Research Vehicle (HARV) [3–8]. However, the derived model has limitations. Dana Purifoy with F High Alpha Research Vehicle (EC).jpg 3, × 2,; KB F HARV dirty probes on inlet rake ().jpg 1, × 1,; KB F HARV forebody surface flow visualization using dye flow DVIDSjpg 1, × 1,; KB.

    F High Alpha Research Vehicle (HARV) equipped with the Activated Nose Strakes for Enhanced Rolling (ANSER) forebody. -- Photographed in August -- A full scale F airframe, modified with actuated forebody strakes, is mounted for testing in the Ames 80 x foot Tunnel. Fence located on the leading edge extension of the F Closeup of a LEX fence on the F The high pressure air from the lower surface of the LEX rolls around the edge to the lower pressure region on the upper surface of the LEX. NASA conducted extensive investigation of the phenomenon using its F High Alpha Research Vehicle (HARV.


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F-18 High Alpha Research Vehicle surface pressures Download PDF EPUB FB2

F High Alpha Research Vehicle Surface Pressures: Initial In-Flight Re sults and Correlation With Flow Visualization and Wind-Tunnel Data Author David F. Fisher, Daniel W. Banks, and David. F high alpha research vehicle surface pressures - Initial in-flight results and correlation with flow visualization and wind-tunnel data.

Pressure distributions around an F/A, in static and rotary flow fields, with forebody vortex control. Get this from a library. F High Alpha Research Vehicle surface pressures: initial in-flight results and correlation with flow visualization and wind-tunnel data.

[David F Fisher; Daniel W Banks; David M Richwine; Dryden Flight Research Facility.]. THE F HIGH ALPHA RESEARCH VEHICLE: A HIGH-ANGLE-OF-ATTACK TESTBED AIRCRAFT Victoria Regenie* and Donald Gatlin** NASA DrYden Flight Research Facility Edwards, California Robert Kempel 1 PRC Inc.

Edwards, California Abstract Neil Matheny $ NASA Dryden Flight Research Facility Edwards, California EEPROM The F High Alpha Research Vehicle is. During a three-phased flight research project lasting from untilNASA’s Armstrong Flight Research Center used an F Hornet fighter aircraft as its High Angle-of-Attack (Alpha) Research Vehicle (HARV) and completed research flights.

Extensive pressure measurements and off-surface flow visualization were obtained on the forebody and strakes of the NASA F High Alpha Research Vehicle (HARV) equipped with actuated forebody strakes. Forebody yawing moments were obtained by integrating the circumferential pressures on the forebody and Size: KB.

Extensive pressure measurements and off-surface flow visualization were obtained on the forebody and strakes of the NASA F High Alpha Research Vehicle (HARV) equipped with actuated forebody strakes. Forebody yawing moments were obtained by integrating the circumferential pressures on the forebody and strakes.

Results show that large yawing. The subsonic longitudinal stability and control derivatives of the F High Angle of Attack Research Vehicle (HARV) are extracted from dynamic flight data using a maximum likelihood parameter identification technique.

The technique uses the linearized aircraft equations of motion in their continuous/ discrete form and accounts for state and measurement noise as well as thrust-vectoring effects. Fisher, D.F., Banks, D.W., Richwine, D.M.: F High alpha research vehicle surface pressures: initial in-flight results and correlation with flow visualization and Cited by: 5.

The High Alpha Research Vehicle was an American modified McDonnell Douglas F/A Hornet used by NASA in a 3-phase program investigating controlled flight at high alpha (angle of attack) using thrust vectoring, modifications to the flight controls, and with actuated forebody strakes. The program lasted from April to September Manufacturer: McDonnell Douglas.

The F HARV (High Alpha Research Vehicle), is an F variant modified to invest controlled flight at high angles of Attack.

To do that it is equipped with a Thrust Vector system (TVC), advanced flight controls, and actuated forebody strakes. The program was started in April and lasted until September Contents[show] Outcome NASA reported that the F HARV performed extreme.

F HAVR (англ. High Angle-of-Attack (Alpha) Research Vehicle) — дослідницький винищувач NASA.Модифікація винищувача F «Хорнет».Програма була спрямована на вивчення поведінки винищувача на великих кутах атаки, від 65 до 70 градусів.Базова модель: F/A Hornet. accepted for inclusion in Masters Theses by an authorized administrator of Trace: Tennessee Research and Creative Exchange.

For more information, please [email protected] Recommended Citation Wilt, Jessica, "F/A External Configuration Effects on High Angle of Attack Departure Resistance.

" Master's Thesis, University of Tennessee,   Shock vector control (SVC) in a converging–diverging nozzle with a rectangular cross-section is discussed as a fluidic thrust vectoring (FTV) method.

The interaction between the primary nozzle flow and the secondary jet is examined using experiments and numerical simulations. The relationships between FTV parameters [nozzle pressure ratio (NPR) and secondary jet pressure Cited by: 4. High-angle-of-attack aerodynamic studies have been conducted on both the F18 High Alpha Research Vehicle (HARV) and the XA aircraft.

Data obtained include on- and off-surface flow visualization and static pressure measurements on the forebody. Comparisons of similar results are made between the two aircraft where possible.

Abstract. Inflight results from surface and off surface flow visualizations and from extensive pressure distributions document the vortical flow on the leading edge extensions (LEXs) and forebody of the NASA F high alpha research vehicle (HARV) for low speeds and angles of attack up to 50 deg.

Surface flow visualization data, obtained using the emitted fluid technique, were used to define. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Extensive pressure measurements and off-surface flow visualization were obtained on the forebody and strakes of the NASA F High Alpha Research Vehicle (HARV) equipped with actuated forebody strakes.

Forebody yawing moments were obtained by integrating the circumferential pressures on the forebody and strakes. F SUPPORT. Company History. Located in Livermore, California, Aero Precision provides OEM component management for military VALVE,REGULATING,FLUID PRESSURE: M AERO FLUID PRODUCTS DEHYDRATOR UNIT, NONREACTIVATING: 74A AEROCONTROLEX: PUMP, ROTARY.

Start studying FA+ Plane Captain Study Guide. Learn vocabulary, terms, and more with flashcards, games, and other study tools. NASA F/AC High Alpha Research Vehicle. Repaint of NASA HARV F/AC Hornet using Acceleration default F Textures only. By Ray Gagnon. NASA F/AC High Alpha Research Vehicle in flight.

Installation: 1. Move texture folder to the default Acceleration F main folder. Add the config lines below to the file for the Acceleration default F, replacing the "XX". CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Extensive pressure measurements and off-surface flow visualization were obtained on the fore-body and strakes of the NASA F High Alpha Research Vehicle (HARV) equipped with actuated forebody strakes.

Forebody yawing moments were obtained by integrating the circumferential pressures on the forebody and .The F high alpha research vehicle was recently modified by adding a thrust vectoring control system.

A key element in the modification was the development of a research flight control system integrated with the basic F flight control system.COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.