Last edited by Mulabar
Tuesday, May 5, 2020 | History

3 edition of Rotor-fuselage interactions found in the catalog.

Rotor-fuselage interactions

Barry, John D.

Rotor-fuselage interactions

by Barry, John D.

  • 329 Want to read
  • 4 Currently reading

Published by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va .
Written in English

    Subjects:
  • Rotary wing aircraft,
  • Fuselages,
  • Interactional aerodynamics,
  • Experimentation,
  • Proving

  • Edition Notes

    Other titlesRotor fuselage interactions.
    StatementJohn D. Berry, Nicolas Bettschart.
    SeriesNASA technical memorandum -- 112859., U.S. Army ATCOM technical report -- 97-A-007.
    ContributionsBettschart, Nicolas., Langley Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18121092M

    Library of Congress Cataloging-in-Publication Data (Revised for vol. 8) NASA historical data book. (NASA SP- ) Vol. 1 is a republication of NASA historical data book, –/ Jane Van Nimmen and Leonard C. Bruno. Vol. 8 in series: The NASA historical data book series. Includes bibliographical references and indexes. The focus of this literature survey and review is model reduction methods and their application to rotor dynamic systems. Rotor dynamic systems require careful consideration in their dynamic models as they include unsymmetric stiffness, localized nonproportional damping, and frequency-dependent gyroscopic effects. The literature reviewed originates from both controls and mechanical systems Cited by:

    Program Book RPI Center for Mobility with Vertical Lift 1 Center for Mobility with Vertical Lift Welcome Fueled by explosive growth in the emergent field of electric VTOL aircraft, as well as the U.S. DoD’s interest in high- speed VTOL aircraft, vertical lift technology is undergoing a major renaissance and is at one of the most. Full text of "NASA Technical Reports Server (NTRS) Aeronautical engineering: A cumulative index to a continuing bibliography (supplement )" See other formats.

    The book addresses the related science and engineering disciplines, including chemistry, material science, electrical and mechanical engineering, metallurgy, and physics. "Sales handles - Significantly updated new edition with two new chapters covering flight dynamics of tilt rotor aircraft and the historical developments of rotorcraft HQs - Provides a comprehensive treatment of helicopter flight dynamics, covering the theoretical background to the dynamics of helicopter flight, the development of handling criteria and new flight test techniques - Covers the.


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Rotor-fuselage interactions by Barry, John D. Download PDF EPUB FB2

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.

Unsteady Reynolds-Averaged Navier-Stokes-Based Hybrid Methodologies for Rotor-Fuselage Interaction Article (PDF Available) in Journal of Aircraft 49(3) May with Reads. Preliminary computations have been successfully carried out, thus demonstrating the feasibility of the ROSITA solver in simulating rotor-fuselage interactions.

Both free-flight and wind tunnel. A rotor CFD solver is developed for simulating the aerodynamic interaction phenomenon among rotor, wing and fuselage of a tilt rotor aircraft in its helicopter mode.

The unsteady Navier–Stokes equations are discretized in inertial frame and embedded grid system is adopted for describing the relative motion among blades and nacelle/wing/ by:   The interactions have been classified into three distinct modes based on observations at a range of box positions relative to the rotor.

An empirical tip vortex trajectory model for isolated rotors is found to be instrumental in predicting the interaction mode at a given box : Dhwanil Shukla, Narayanan Komerath.

Abstract. This work presents a boundary-integral-equation methodology for the aerodynamic analysis of unsteady, subsonic, compressible, potential flows around N bodies, each having arbitrary shape and motion, with applications to rotor-fuselage by: 4.

Contents Preface to Second Edition Preface to First Edition Acknowledgments List of Main Symbols 1 Introduction: A History of Helicopter Flight Rising Vertically Producing Thrust Key Technical Problems in Attaining Vertical Flight Early Thinking The Hoppers The First Hoverers Not Quite a Helicopter Engines -- A Key Enabling Technology On the Verge of Success.

The Ames Research Center (ARC), also known as NASA Ames, is a major NASA research center at Moffett Federal Airfield in California's Silicon was founded in as the second National Advisory Committee for Aeronautics (NACA) laboratory. That agency was dissolved and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA) on Headquarters: Mountain View, California, U.S.

A number of recent studies have pointed out the importance of unmanned aerial vehicles (UAVs) to the future of the naval forces. A multiplicity of cooperating and largely autonomous UAV sensor/ communication platforms are integral to the vision of network-centric operations, as was discussed in a recent Naval Studies Board report.

1 In several other recent NSB reports, 2, 3 it was pointed out. A complete exposition of all aspects of rotary wing structural dynamics and aeroelasticity would be an impossibility due not only to the sheer accumulated volume of pertinent material, but because of the constant growth of the technology.

xvii page xviii - #18 xviii PREFACE TO THE FIRST EDITION The material presented herein thus deals with. Meeting Paper Home; For Authors ; Structures, Structural Dynamics, and Materials and Co-located Conferences Home.

Helicopter Aerodynamics | Helicopter Rotor | Airfoil Aerodynamics. Cambridge University Press, p. Written by an internationally recognized teacher and researcher, this book provides a thorough, modern treatment of the aerodynamic principles of helicopters and other rotating-wing vertical lift aircraft such as tilt rotors and autogiros.

The text begins. The Book The behaviour of helicopters and tiltrotor aircraft is so complex that understanding the physical mechanisms at work in trim, stability and response, and thus the prediction of Flying Qualities, requires a framework of analytical and numerical modelling and simulation.

Good Flying Qualities are vital for ensuring that mission performance is achievable with safety and, in the first and. A discrete adjoint-based design methodology for unsteady turbulent flows on three-dimensional dynamic overset unstructured grids is formulated, implemented, and verified.

The methodology supports b Cited by: Interactions between a number of individual components of the helicopter also occur; two important interactions are main rotor–fuselage interaction, and main-rotor–tail-rotor interactions.

All of these fluid dynamic phenomena occur simultaneously with the evolution and convection of a complex three-dimensional and, in general, unsteady wake Cited by: @article{osti_, title = {A review and development of correlations for base pressure and base heating in supersonic flow}, author = {Lamb, J P and Oberkampf, W L}, abstractNote = {A comprehensive review of experimental base pressure and base heating data related to supersonic and hypersonic flight vehicles has been completed.

Particular attention was paid to free-flight data as well. This article presents the results of laboratory studies of a two-stage gear transmission regarding the process of intentionally increasing damage of its tooth.

Also, this study discusses the construction of a gear transmission of a military helicopter on the basis of basic kinematic results of its vibroacoustic signals. What is important, the article describes the aim of laboratory stand Cited by: 5. Virtual modeling and simulation are increasingly used to help develop restraint systems, and airbag simulation is the necessary steps during airbag research and design progress.

In this work, the squeezed airbag has been simulated by a uniform pressure method in which the pressure of the airbag is considered as constant. The main aim of this study is evaluate the performance of deploying of Author: Bendjaballah Driss, Bouchoucha Ali.

Special purpose modules like FSWAVE and ROTOR expand VSAERO's simulation capabilities to include nonlinear hydrodynamic wave effects on ships and helicopter rotor/ fuselage interactions. Zonal coupling to Navier-Stokes codes is also available. Running on a wide variety of computers, from Cray Supercomputers to desktop PCs, VSAERO is used worldwide.

My research interests are in the area of modellig and simulation of flows, particularly complex flows related to aerospace applications. This area is broad and includes the develo.Computational fluid dynamics methods have also been applied to problems such as rotor/fuselage and main/tail rotor interactions, performance studies in hover and forward flight, rotor design, and so on.

The GOAHEAD project is a good example of a coordinated effort to validate computational fluid dynamics for complex helicopter configurations.Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume ) Abstract This work presents a framework for the optimisation of certain aspects of a BERP-like (British Experimental Rotor Programme) rotor blade in hover and forward flight so that maximum performance can be obtained from the : Catherine Johnson, Mark Woodgate, George N.

Barakos, George N. Barakos.