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Monday, July 13, 2020 | History

3 edition of Hypersonic panel flutter in a rarefied atmosphere found in the catalog.

Hypersonic panel flutter in a rarefied atmosphere

Hypersonic panel flutter in a rarefied atmosphere

  • 273 Want to read
  • 26 Currently reading

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

    Subjects:
  • Flutter (Aerodynamics)

  • Edition Notes

    StatementHugo B. Resende.
    SeriesNASA contractor report -- 4514., NASA contractor report -- NASA CR-4514.
    ContributionsUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Program.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14695936M

    In this work, hypersonic aero-thermo post-buckling and thermal flutter behaviors of Functionally Graded (FG) panels under thermal and aerodynamic loads are investigated. The volume fractions of constitutive materials of the panels are gradually varied from ceramic to metal in the thickness direction based on a simple power law distribution. Boyd, I.D. () Modeling of associative ionization reactions in hypersonic rarefied flows. Phys. Fluids, 19, Article Boyd, I.D., Zhong, J., Levin, D.A. and.

    History. The first manufactured object to achieve hypersonic flight was the two-stage Bumper rocket, consisting of a WAC Corporal second stage set on top of a V-2 first stage. In February , at White Sands, the rocket reached a speed of 8, km/h (5, mph), or approximately Mach The vehicle, however, burned on atmospheric re-entry, and only charred remnants were found. Hypersonic flow is a regime of very high supersonic speeds. A conventional rule is that any flow with a Mach number equal to or greater than 5 is hypersonic. Examples include the space shuttle during ascent and reentry into the atmosphere, and the flight of the X‐15 experimental vehicle.

    The electron beam technique in hypersonic rarefied gas dynamics. Local measurement of temperature and concentrations — a review for hypersonic flows. In: Hypersonic ARW, 70th Fluid Dynamics Panel Meeting of AGARD -CP B 1–10 (). Google Scholar [8] Beck, W. H.: Simulation of Hermes-reentry into the terrestrial atmosphere (in. Andrew Neely is the Associate Dean (Research Engagement) at UNSW Canberra. He is also a Professor in the School of Engineering and Information Technology at UNSW Canberra where he was the Deputy Head of School (Research) from Ph.D. scholarships ($35, per year) are available for high-achieving students (with H1/High Distinction in UG and/or Masters by Research) in engineering.


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Hypersonic panel flutter in a rarefied atmosphere Download PDF EPUB FB2

Hypersonic Panel Flutter in a Rarefied Atmosphere Hugo B. Resende Stanford University Stanford, California Prepared for Langley Research Center under Grant NGL National Aeronautics and Space Administration Office of Management Scientific and Technical Information Program Get this from a library.

Hypersonic panel flutter in a rarefied atmosphere. [Hugo B Resende; United States. National Aeronautics and Space Administration. Scientific and Technical Information Program.]. Hypersonic panel flutter in a rarefied atmosphere.

Panel flutter is a form of dynamic aeroelastic instability resulting from the interaction between motion of an aircraft structural panel and the aerodynamic loads exerted on that panel by air flowing past one of the faces. This model is relevant to the case of hypersonic flight Author: Hugo B.

Resende. Flutter and thermal buckling control for composite laminated panels in supersonic flow Journal of Sound and Vibration, Vol. No. 22 Towards a Coupled Loads-Response-Life Prediction Framework for Hypersonic Structures in Combined Extreme EnvironmentsCited by: Nonlinear panel flutter in a rarefied atmosphere - Aerodynamic shear stress effects.

By Hugo B. Resende. Abstract. The panel flutter phenomenon is studied assuming free-molecule flow. This kind of analysis is relevant in the case of hypersonic flight vehicles traveling at high altitudes, especially in the leeward portion of the vehicle.

Author: Hugo B. Resende. The panel flutter is a form of dynamic aeroelastic instability resulting from the interaction between the motion of a high-speed aerospace vehicle’s skin panel, typical of spacecrafts and missiles, and the aerodynamic loads exerted on that panel by air flowing past one side at supersonic or hypersonic.

Hypersonic aerothermodynamics for a probe entering a planetary atmosphere is an important issue in space exploration. The probe experiences various Knudsen number regimes, ranging from rarefied to continuum, due to density variation in the planet’s atmosphere.

Nonlinear panel flutter in a rarefied atmosphere - Aerodynamic shearstress effects 17 August Finite element method for large-amplitude two-dimensional panel flutter at hypersonic speeds. The atmospheric re-entry of space debris poses a significant risk to humans in the event of a ground impact.

Predicting the trajectory of space debris. Hypersonic Flutter Analysis of Functionally Graded Panels under Thermal and Aerodynamic Loads 1 October | Materials Science Forum, Vol. A generalized model of elastic foundation based on long-range interactions: Integral and fractional model. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA   Then the dynamic equation of a hypersonic aircraft in rarefied atmosphere is given as follows: (2) {d 2 x d t 2 = − 1 m (t) R II (y, x ̇, y ̇) d 2 y d t 2 = 1 m (t) G II (y, x ̇, y ̇) − g, where R II (y, x ̇, y ̇) is air resistance of a hypersonic aircraft in rarefied atmosphere, G II (y, x ̇, y ̇, δ z) is the lift of a hypersonic.

Panel flutter analysis of plate element based on the absolute nodal coordinate formulation 2 July | Multibody System Dynamics, Vol. 27, No. 2 A parametric study on supersonic/hypersonic flutter behavior of aero-thermo-elastic geometrically imperfect curved skin panel. 1. Introduction.

Hypersonic vehicles operate over a broad range of Mach numbers and must fly within the atmosphere for sustained periods of time to meet the needs of an airbreathing propulsion system.The body, surface panels, and aerodynamic control surfaces of a hypersonic vehicle are generally flexible due to minimum-weight restrictions.

Static/Dynamic Edge Movability Effect on Non-Linear Aerothermoelastic Behavior of Geometrically Imperfect Curved Skin Panel: Flutter and Post-Flutter Analysis Hypersonic Flutter of a Curved Shallow Panel with Aerodynamic Heating,” AIAA Paper No.

Hypersonic Panel Flutter in a Rarefied Atmosphere,” NASA Contractor Report No. Assessment of Rarefied Hypersonic Aerodynamics Modeling and Windtunnel Data Jose F.

Padilla 1 and Iain D. Boyd 2 University of Michigan, Ann Arbor, MI, The future of space exploration and development will be determined by our ability to safely access and return from space. Steady improvements in the prediction of atmospheric.

This book discusses the low Reynolds number effects, chemical kinetics effects, inviscid flow calculations, and experimental techniques relating to the problems in acquiring an understanding of hypersonic flow.

The structure and composition of hypersonic wakes with attendant complex chemical kinetic effects is only briefly mentioned. When a panel is fluttering at hypersonic speed (), the nonlinearities involved with panel flutter arise from both the structural and aerodynamic models [12, 13].

Aerodynamic nonlinearity was first considered in conjunction with structural nonlinearity by McIntosh Jr. et al. [ 14 – 16 ] in analysis of simply supported panels fluttering in.

McGraw-Hill Book Co,79, the use of a nonlinear computational structural model coupled with Piston Theory aerodynamics for the design of a panel flutter experiment in hypersonic flow. In this paper, the effect of the system parameters on the flutter of a curved skin panel forced by a supersonic/hypersonic unsteady flow is numerically investigated.

The aeroelastic model. Panel flutter is a self-excited, dynamic-aeroelastic instability of thin plate or shell-like components of a vehicle.!t OCCL~ most frequently, though not exclusively, in a supersonic flow. At subsonic speeds, the instability more often takes the form of a static divergence or aeroelastic buckling.A rarefied aerodynamic measurement scheme has been developed by using pendulous models in a hypersonic rarefied wind tunnel at JAXA, and the results have been compared with direct simulationMonte.A review of various analytical methods and experimental results of supersonic and hypersonic panel flutter is presented.

The analytical methods are categorized into two main methods. The first category is the classical methods, which include Galerkin in conjunction with numerical integration, harmonic balance and perturbation methods.