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Sunday, May 10, 2020 | History

3 edition of Dynamic ground-effect measurements on the F-15 STOL and Maneuver Technology Demonstrator (S/MTD) configuration found in the catalog.

Dynamic ground-effect measurements on the F-15 STOL and Maneuver Technology Demonstrator (S/MTD) configuration

Dynamic ground-effect measurements on the F-15 STOL and Maneuver Technology Demonstrator (S/MTD) configuration

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  • 35 Currently reading

Published by National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, For sale by the National Technical Information Service in [Washington, D.C.], Springfield, Va .
Written in English

    Subjects:
  • Aerodynamic characteristics.,
  • Aircraft configurations.,
  • Aircraft landing.,
  • F-15 aircraft.,
  • Ground effect (Aerodynamics),
  • Ground tests.,
  • Short takeoff aircraft.

  • Edition Notes

    StatementGuy T. Kemmerly.
    SeriesNASA technical paper -- 3000.
    ContributionsUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Division., Langley Research Center.
    The Physical Object
    FormatMicroform
    Pagination28 p.
    Number of Pages28
    ID Numbers
    Open LibraryOL18257141M

    system to a dynamic load, MnROAD has used a device known as the Falling Weight Deflectometer or “FWD.” Measurements with the FWD have been obtained both routinely (on a monthly or seasonal basis), and also for specific load test studies and sensor response Size: KB. Notes on Demonstrator Engine Dynamic Tests 1. General The engine was mounted on a dynamic test rig enabling it to be “flown” on a rotary bearing. The test rig comprises a carefully levelled and balanced beam, supporting the engine on one side, and an instrument platform on the other.

    All measurements were carried We would also like to thank our supervisor at Luleå University of Technology, professor Staffan Lundström, for his support. where ρ is the density, µ the dynamic viscosity, u the velocity and P the pressure. Turbulence. The experiment was conducted using an F aircraft modified with a small cleanup test section on the right wing. Results are presented for Mach (M) numbers from to at altitudes f to 55, ft. At M greater than or = , transition occurred near or at the leading edge for the clean configuration.

      An engineer designs a duct system to take system effect into account and to avoid as much system effect as possible. The designer first calculates the system resistance. This is the amount of resistance to airflow (static pressure) that the system will impose, measured in inches of water gauge (inches wg). The system resistance depends upon. Ground Effect Has Its Advantages - The Soft Field Takeoff. Of course, ground effect does have its advantages. It helps you lift off of a soft or contaminated field, and using it effectively is a major part of a soft field takeoff technique. And - it's also helped during low altitude cruise! Bs: Using Ground Effect To Extend Your Range.


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Dynamic ground-effect measurements on the F-15 STOL and Maneuver Technology Demonstrator (S/MTD) configuration Download PDF EPUB FB2

The expected new generation of STOL fighters. The F STOL and Maneuver Technology Demonstrator (S/MTD) is a current representative of this new vehicle class incorporating vectored thrust. A description of this vehicle and the technology pro-gram surrounding it is presented in reference 5.

This configuration was designed specifically to File Size: 1MB. A moving-model ground-effect testing method was used to study the influence of rate-of-descent on the aerodynamic characteristics for the F STOL and Maneuver Technology Demonstrator (S/MTD) configuration for both the approach and roll-out phases of landing.

Dynamic ground-effect measurements on the F STOL and Maneuver Technology Demonstrator (S/MTD) configuration Article (PDF Available) July with 63 Reads How we measure 'reads'Author: Guy Kemmerly. Title and Subtitle Dynamic Ground-Effect Measurements on the F STOL and Maneuver Technology Demonstrator (S/MTD) Configuration Author(s) Guy T.

Kemmerly 9. Performing Organization Name and Address NASA Langley Research Center Hampton, VA Get this from a library. Dynamic ground-effect measurements on the F STOL and Maneuver Technology Demonstrator (S/MTD) configuration.

[Guy T Kemmerly; United States. National Aeronautics and Space Administration. Scientific and Technical. McDonnell Aircraft Company (MCAIR) is currently conducting the STOL/Maneuver Technology Demonstrator (S/MTD) Program for the Air Force's Flight Dynamics Laboratory (AFFDL) under Contract FCI5.

This program involves the modification of an FB. S/Nto incorporate the followiCited by: 2. knowing the aerodynamic characteristics of the F aircraft close to the ground, that is, in ground effect, was important.

Figure 1. NASA F aircraft performing approach and landing typical of ground effects testing. Although the F aircraft has been in service for more than 20 years, in-flight dynamic ground effects data have never been Cited by: STOL /MTD (Short Takeoff and Landing/Maneuver Technology Demonstrator) is a modified F Eagle.

Developed as a technology demonstrator, the F STOL /MTD Bell X ( words) [view diff] exact match in snippet view article find links to article.

Qe sum of the external moment with respect to the c.g. r ≡ (x,y,z) aircraft c.g. position in Earth axes rc.g. aircraft c.g. position in Body axes R−1 transformation matrix from ω to Φ˙ S wing area Sv vehicle wetted surface T kinetic energy of the stream flow T Thrust force v (u, v, w) inertial velocity in body axesFile Size: KB.

American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA   FS Eagle-Technology Demonstrator and Research Aircraft-USAF, NASA-Stall Maneuver Technology Demonstrator (S/MTD)-Short Takeoff and Landing (STOL)-The F S/MTD carried out research for. A moving-model ground-effect testing method was used to study the influence of rate-of-descent on the aerodynamic characteristics for the F STOL and Maneuver Technology Demonstrator (S/MTD.

aerodynamics was rapid and ground effect was introduced in see Fig. In fact ground effect is unavoidable as a typical race car can be viewed aerodynamically as a very low aspect ratio bluff body in close proximity to the ground gap/chord = The results of this review are divided into several Size: 1MB.

McDonnell Douglas F STOL/MTD (1, words) case mismatch in snippet view article find links to article The McDonnell Douglas F STOL/MTD (Short Takeoff and Landing /Maneuver Technology Demonstrator) is a modified F Eagle.

Developed as a technology demonstrator. The NASA F airplane is being used for the HIDEC program. The F is a high-performance, air-superiority fighter airplane with excellent transonic maneuverability and a maximum Mach number capability of It is powered by two afterburning turbofan engines.

HIDEC System The equipment that is installed on the F You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them., Free ebooks since Exact Singularity Avoidance Control of the Pyramid Type CMG System Missile Flight Control with Dynamic Inversion and Structured Singular Value Synthesis.

D'Souza, C. / McFarland, Experience with the R. Smith PIO Criterion in the F STOL & Maneuver Technology Demonstrator. Moorhouse, D. / AIAA | print version. to dynamic stall effects. Measured persistence times of the dynamic effects were also presented. Reference 13 presented detailed wing surface pressure measurements of a straked-wing fighter model undergoing pitch oscillations.

Force and moment measurements from water tunnel studies with a series of straked-wing models have been reported in File Size: KB. Fighter Aircraft Control Challenges and Technology Transition.

Authors; Authors and affiliations Experience with the R. Smith PIO criterion on the F STOL and maneuver technology demonstrator. Proc. of the AIAA GNC Wise K.A. () Fighter Aircraft Control Challenges and Technology Transition.

In: Byrnes C.I., Datta B.N., Martin Cited by: 4. The continuing development of the F has included improvements to its baseline Environment Control System (ECS), an open air cycle system built around a bootstrap air cycle machine.

A simple air controller schedule change and the conversion to Cited by: 3. These parameters are useful for dynamic load estimation. At last, dynamic stresses are computed for the root region of the blades, using finite element modelling.

The resulting curves of stress vs. time, obtained for different wind speeds, are used for fatigue analysis in order.Full text of "Dynamic ground-effect measurements on the F STOL and Maneuver Technology Demonstrator (S/MTD) configuration" See other formats STOL and Maneuver Technology Demonstrator (S/MTD) Stability Derivatives on ResearchGate, the professional network for scientists.Ground Effect: It's Not a Cushion, it's an Effect of Lift Creation Karl Rader - [email protected] Eye-witnesses, fallen lamp posts and other evidence testify to the flattened final trajectory of Flight 77 in the seconds before it hit the Pentagon on September Some novice commentators claim that this wasn't aerodynamically Size: 52KB.