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Thursday, May 7, 2020 | History

2 edition of Three-dimensional transonic potential flow about complex three-dimensional configurations found in the catalog.

Three-dimensional transonic potential flow about complex three-dimensional configurations

Theodore A Reyhner

Three-dimensional transonic potential flow about complex three-dimensional configurations

by Theodore A Reyhner

  • 171 Want to read
  • 40 Currently reading

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

    Subjects:
  • Aerodynamics, Transonic

  • Edition Notes

    StatementTheodore A. Reyhner ; prepared under cooperative agreement with NASA Langley Research Center and Boeing Commercial Airplane Company
    SeriesNASA contractor report -- 3814
    ContributionsLangley Research Center, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Boeing Commercial Airplane Company
    The Physical Object
    Paginationv, 70 p. :
    Number of Pages70
    ID Numbers
    Open LibraryOL17978763M

    This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation. @article{osti_, title = {Prediction of forces and moments on finned bodies at high angle of attack in transonic flow}, author = {Oberkampf, W. L.}, abstractNote = {This report describes a theoretical method for the prediction of fin forces and moments on bodies at high angle of attack in subsonic and transonic flow. The body is assumed to be a circular cylinder with cruciform .

      A Finite Volume Method for Calculating Transonic Potential Flow Around Wings From the Minimum Pressure Integral,” Report No. NASA-TM [Messerschmitt-Bolkow-Blohm Internal Report No. MBB-UFE(0)].Cited by: Three-dimensional space (also: 3-space or, rarely, tri-dimensional space) is a geometric setting in which three values (called parameters) are required to determine the position of an element (i.e., point).This is the informal meaning of the term dimension.. In physics and mathematics, a sequence of n numbers can be understood as a location in n-dimensional space.

    In this book we present the elements of a general theory for flo ws on three-dimensional compact boundaryless manifolds, encompassing flows with equilibria accumulated by regular orbits. The main motivation for the development of this theory was the Lorenz equations whose numerical solution suggested the existence of a robustFile Size: 2MB. Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to analyze and solve problems that involve fluid ers are used to perform the calculations required to simulate the free-stream flow of the fluid, and the interaction of the fluid (liquids and gases) with surfaces defined by boundary conditions.


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Three-dimensional transonic potential flow about complex three-dimensional configurations by Theodore A Reyhner Download PDF EPUB FB2

Three-dimensional transonic potential flow about complex three-dimensional configurations. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va.: For sale by the National Technical Information Service], (OCoLC) Material Type.

An efficient grid interfacing zonal algorithm has been developed for computing the transonic flow field about three-dimensional multicomponent configurations.

The algorithm uses the full-potential formulation and the fully-implicit approximate factorization scheme Three-dimensional transonic potential flow about complex three-dimensional configurations book by: predicting three-dimensional transonic potential flow about inlets, ducts, and bodies.

The basic approach is very general and essentially independent of geometry. The analysis, as programmed, uses cylindrical coordinates and admits boundary conditions for.

Recent Experiences With Three-Dimensional Transonic Potential Flow Calculations David A. Caughey, Perry A. Newman and Antony Jameson 10 Mpoten-tial, this information, which has been developed under a U.S.

Government program, is being dis. A systematic procedure for generating useful conformal mappings. Use of conformal mapping in grid generation for complex three-dimensional configurations, AIAA Journal, 25, 10, (), ().

Calculation of Transonic Potential Flow Past Cited by: Rotary-wing flow fields are as complex as any in aeronautics. The helicopter rotor in forward flight encounters three-dimensional, unsteady, transonic, viscous aerodynamic phenomena. Rotary-wing problems provide a stimulus for development and opportunities for application of the most advanced computational techniques.

Sinclair, P. M.: A three-dimensional field-integral method for the calculation of transonic flow on complex configurations — theory and preliminary results.

Aeronautical Journal, June/July, (), pp Google Scholar. A method for constructing a grid system for calculating the transonic flow field about complex configurations with multiple components is described.

In this approach the computational domain is divided into multiple overlapping subdomains, which are defined according to the different components of the by: 1. Thomas B. Gatski, Jean-Paul Bonnet, in Compressibility, Turbulence and High Speed Flow (Second Edition), Flows with Shocks.

In supersonic flows, the presence of shocks is hardly avoidable and flow control is often the only solution to minimize penalties associated with drag, vibrations, noise, obvious example is in supersonic flight of supersonic civil or.

D.A. Caughey, Calculation of Transonic Potential Flow Past Three-Dimensional Configurations, Transonic, Shock, and Multidimensional Flows, /B, (), ().

CrossrefCited by:   Air barriers, staggered layers of rigid insulation and sealed panel joints at interior panel perimeters are the tools in the building science toolbox that can be used to deal with complex three-dimensional airflow networks and convection. Simple, little things that turn out to be pretty big things.

Calculation of Transonic Potential Flow Past ThreeDimensional Configurations D. Caughey 1. INTRODUCTION. In recent years, substantial progress has been made in the development of efficient algorithms for solving discrete approximations to the potential equation for transonic (i.e., mixed subsonic and supersonic) flow past rather general geometrical : D.A.

Caughey. The application of numerical methods to physiological flows is considered along with some recent progress in transonic flow computations, panel methods in aerodynamics, analysis and design methods for three-dimensional flows, and the direct numerical simulation of complex gas-dynamics flows on the basis of Euler, Navier-Stokes, and Boltzmann.

Three-Dimensional Potential Flows Learning Objectives: 1. Write and explain the fundamental equations of potential flow theory 2. Compute the flow field around 2D and 3D objects using combinations of fundamental potential flow solutions Topics/Outline: 1. Coordinate System 2. Governing equations for the velocity potential 3.

@article{osti_, title = {Tactical missile aerodynamics - Prediction methodology. Progress in Astronautics and Aeronautics. Vol. }, author = {Mendenhall, M.R.}, abstractNote = {The present volume discusses tactical missile aerodynamic drag, drag-prediction methods for axisymmetric missile bodies, an aerodynamic heating analysis for supersonic missiles, a.

Three-dimensional calculations using the full potential equation (in non-conservation form) have been performed by McCarthy and Reyhner [10], for the transonic flow past axisymmetric inlets.

Their computations were performed in a non-bodyaligned, cylindrical coordinate system. The structure of the multi-grid method is as follows. A method for transonic compressor multi-objective design optimization was developed and applied to the NASA ro a test case representative of complex three Author: Ernesto Benini.

Description and characteristics. In fluid dynamics, a potential flow is described by means of a velocity potential φ, being a function of space and time. The flow velocity v is a vector field equal to the gradient, ∇, of the velocity potential φ: = ∇.

Sometimes, also the definition v = −∇φ, with a minus sign, is here we will use the definition above, without the minus sign.

A theory for base pressures in transonic and supersonic flow / (Urbana, Ill.: Mechanical Engineering Dept., Univ.

of Illinois, May ), by Helmut Hans Korst, M. Childs, R. Page, and University of Illinois (Urbana-Champaign campus). Engineering Experiment Station (page images at HathiTrust; US access only).

Transonic potential flow calculation about complex bodies by a technique of overlapping subdomains.- Calculation method for transonic separated flows over airfoils including spoiler effects.- Mesh generation strategies for CFD on complex configurations.- A new numerical method for the simulation of three-dimensional flow in a pipe.

A new approach for the optimization of essentially three-dimensional aerodynamic shapes for minimum drag is proposed. The method allows the handling of .Transonic flow simulations for a variety of complex three-dimensional configurations, including a wing-body-nacelle geometry, am presented.

The numerical approach utilizes a chimera zonal grid.Robust calculation of 3D transonic potential flow based on the nonlinear FAS multi-grid method and incomplete LU decomposition A. VAN DER WEES, J. VAN DER VOOREN and.