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An Exact Numerical Solution Of The Three Dimensional Incompressible Turbulent Boundary Layer Equations
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Book Synopsis An Exact Numerical Solution of the Three-dimensional Incompressible Turbulent Boundary-layer Equations by : Jesse Lee East
Download or read book An Exact Numerical Solution of the Three-dimensional Incompressible Turbulent Boundary-layer Equations written by Jesse Lee East and published by . This book was released on 1970 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Implicit Numerical Solution of the Turbulent Three-dimensional Incompressible Boundary-layer Equations by : Felix J. Pierce
Download or read book An Implicit Numerical Solution of the Turbulent Three-dimensional Incompressible Boundary-layer Equations written by Felix J. Pierce and published by . This book was released on 1971 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of solving the three-dimensional, incompressible turbulent boundary-layer equations was developed using a Crank-Nicholson implicit finite-difference technique, with the turbulent stress terms modeled with an eddy-viscosity model obtained from mixing length theory. The method was applied to two three-dimensional flow geometries for which experimental data exists and a comparison with this data showed excellent agreement. A complete computer program was sufficiently generalized for application to two-dimensional laminar and turbulent flows with arbitrary pressure gradients. The method was applied to several such test cases and the solutions agreed well with both theory and experiment. An analysis was presented to determine the conditions for which the finite difference equations were stable and convergent. (Author).
Book Synopsis An Implicit Numerical Solution of the Turbulent Three-dimensional Incompressible Boundary Layer Equations [by] F. J. Pierce and W. F. Klinksiek by : F J. Pierce
Download or read book An Implicit Numerical Solution of the Turbulent Three-dimensional Incompressible Boundary Layer Equations [by] F. J. Pierce and W. F. Klinksiek written by F J. Pierce and published by . This book was released on with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Calculation of Three-dimensional Boundary Layers on Ship Forms by : Kua C. Chang
Download or read book Calculation of Three-dimensional Boundary Layers on Ship Forms written by Kua C. Chang and published by . This book was released on 1975 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: An implicit finite difference technique, in curvilin ear-orthogonal surface coordinates, has been developed for the solution of the differential equations of three-dimensional laminar and turbulent boundary layers on ship forms. For turbulent flow, a two-layer eddy-viscosity model has been employed as the closure model. The initial and boundary conditions required to solve the equations and the stability and accuracy of the numerical method are discussed at some length. Two mathematically-defined simple three-dimensional ship forms are studied in some detail. These are a tri-axial ellipsoid and a double elliptic ship.
Book Synopsis Analysis of the Three-dimensional Compressible Turbulent Boundary Layer on a Sharp Cone at Incidence in Supersonic and Hypersonic Flow by : John C. Adams
Download or read book Analysis of the Three-dimensional Compressible Turbulent Boundary Layer on a Sharp Cone at Incidence in Supersonic and Hypersonic Flow written by John C. Adams and published by . This book was released on 1972 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analytical approach toward numerical calculation of the three-dimensional turbulent boundary layer on a sharp cone at incidence under supersonic and hypersonic flow conditions is presented. The theoretical model is based on implicit finite-difference integration of the governing three-dimensional turbulent boundary-layer equations in conjunction with a three-dimensional scalar eddy-viscosity model of turbulence. Comparison is made of present theory with detailed experimental measurements of the three-dimensional turbulent boundary-layer structure (velocity and temperature profiles), the surface streamline direction (obtained via an oil-flow technique) and surface heat-transfer rate.
Book Synopsis Three-dimensional, Time-dependent, Compressible, Turbulent, Integral Boundary-layer Equations in General Curvilinear Coordinates and Their Numerical Solution by : Timothy Wade Swafford
Download or read book Three-dimensional, Time-dependent, Compressible, Turbulent, Integral Boundary-layer Equations in General Curvilinear Coordinates and Their Numerical Solution written by Timothy Wade Swafford and published by . This book was released on 1983 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method is presented for computing three-dimensional, time-dependent, compressible, turbulent boundary layers in nonorthogonal curvilinear coordinates. An integral method is employed in the interest of computational speed and because the three-dimensional method is an extension of an existing two-dimensional method. After presenting a detailed derivation of the integral form of the boundary-layer equations, the necessary auxiliary relations are given along with the relationships between integral lengths expressed in streamline and nonorthogonal coordinates. A time dependent approach is used to account for time accuracy (if desired) and to provide a method that is compatible with the surface grid used by an inviscid solver for use in viscous-inviscid interaction calculations. The equations are solved using a Runge-Kutta scheme with local time stepping to accelerate convergence. Stability and convergence of the numerical scheme are examined for various space differences compared with measurements and with computations of previous investigators.
Book Synopsis Computation of Incompressible, Three-dimensional Turbulent Boundary Layers and Comparison with Experiment by :
Download or read book Computation of Incompressible, Three-dimensional Turbulent Boundary Layers and Comparison with Experiment written by and published by . This book was released on 1982 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A General Method for Calculating Three-Dimensional Incompressible Laminar and Turbulent Boundary Layers. II. Three-Dimensional Flows in Cartesian Coordinates by : Tuncer Cebeci
Download or read book A General Method for Calculating Three-Dimensional Incompressible Laminar and Turbulent Boundary Layers. II. Three-Dimensional Flows in Cartesian Coordinates written by Tuncer Cebeci and published by . This book was released on 1974 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents a general method for computing three-dimensional laminar and boundary-layer flows in Cartesian coordinates. In the equations, the Reynolds shear stress terms are modeled by an eddy-viscosity formulation developed by the author. A very efficient two-point finite-difference method was used to solve the governing equations. The accuracy of the method is investigated for laminar and turbulent flows. (Author).
Book Synopsis Numerical Solution of the Equations for Compressible Laminar, Transitional, and Turbulent Boundary Layers and Comparisons with Experimental Data by : Julius E. Harris
Download or read book Numerical Solution of the Equations for Compressible Laminar, Transitional, and Turbulent Boundary Layers and Comparisons with Experimental Data written by Julius E. Harris and published by . This book was released on 1971 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical method for solving the equations for laminar, transitional, and turbulent compressible boundary layers for either planar or axisymmetric flows is presented. The fully developed turbulent region is treated by replacing the Reynolds stress terms with an eddy viscosity model. The mean properties of the transitional boundary layer are calculated by multiplying the eddy viscosity by an intermittency function based on the statistical production and growth of the turbulent spots. A specifiable turbulent Prandtl number relates the turbulent flux of heat to the eddy viscosity. A three-point implicit finite-difference scheme is used to solve the system of equations. The momentum and energy equations are solved simultaneously without iteration. Numerous test cases are compared with experimental data for supersonic and hypersonic flows; these cases include flows with both favorable and mildly unfavorable pressure gradient histories, mass flux at the wall, and traverse curvature.
Book Synopsis A General Method for Calculating Three-Dimensional Incompressible Laminar and Turbulent Boundary Layers. I. Swept Infinite Cylinders and Small Cross Flow by :
Download or read book A General Method for Calculating Three-Dimensional Incompressible Laminar and Turbulent Boundary Layers. I. Swept Infinite Cylinders and Small Cross Flow written by and published by . This book was released on 1972 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents a general method for solving the laminar and turbulent boundary layer equations for swept infinite cylinders and for small cross flows. In the equations the Reynolds shear stress terms are eliminated by using an eddy viscosity concept. An efficient two-point finite-difference method used earlier by Keller and Cebeci for two dimensional flows is used to solve the governing equations. The method has been programmed on the IBM 370/165. (Author).
Book Synopsis Numerical Solution of Three-Dimensional Boundary Layer Equations by : K. C. Wang
Download or read book Numerical Solution of Three-Dimensional Boundary Layer Equations written by K. C. Wang and published by . This book was released on 1976 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three-dimensional, incompressible, laminar boundary layer over a spinning blunt body of revolution at incidence and the associated Magnus forces are investigated. Complete solutions for two different, moderate and high, spin rates are obtained by an implicit finite-difference method. A great variety of the circumferential-velocity profiles are determined. Magnus force contributed from the circumferential skin friction and the centrifugal pressure are calculated. These two side-forces partly compensate each other. At lower spin rate, the friction force is larger resulting in a positive Magnus force. At higher spin rate, the opposite is obtained. The changes of the Magnus force from positive at lower spin rate to negative at higher spin rate was previously observed experimentally.
Book Synopsis Some Numerical Solutions of Similarity Equations for Three-dimensional Laminar Incompressible Boundary-layer Flows by : Peggy L. Yohner
Download or read book Some Numerical Solutions of Similarity Equations for Three-dimensional Laminar Incompressible Boundary-layer Flows written by Peggy L. Yohner and published by . This book was released on 1958 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical solutions are presented for two classes of similarity equations corresponding to a range of three-dimensional boundary-layer flows. Equations for limiting-flow deflection and equations for the calculation of boundary-layer streamlines are also presented.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725140189 Total Pages :32 pages Book Rating :4.1/5 (41 download)
Book Synopsis Computation of Incompressible, Three-Dimensional Turbulent Boundary Layers and Comparison with Experiment by : National Aeronautics and Space Administration (NASA)
Download or read book Computation of Incompressible, Three-Dimensional Turbulent Boundary Layers and Comparison with Experiment written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-13 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Incompressible three dimensional, turbulent boundary layer (3DTBL) experiments were simulated numerically by integrating the boundary layer equations together with an algebraic eddy viscosity turbulence model. For the flow treated, the downstream portion, where the crossflow was large, was not predicted with the present computational method; the flow was significantly influenced by elliptic flow field effects. Departures from the boundary layer concept are indicated. Calculations agreed reasonably well with the mean flow development up to separation. In one experiment the normal pressure gradients were found to be neligible in regions with large skewing and allowed testing turbulence models using the boundary layer equations. The simulation of this flow compared favorably with the experimental data throughout the flow field and suggested the applicability of algebraic eddy viscosity models for 3DTBLs. Mueller, U. R. Ames Research Center NASA-TM-84230, A-8873, NAS 1.15:84230 ...
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1973 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Solution of the Three-dimensional Boundary Layer Equations in the Inverse Mode Using Finite Differences by : Samir Farid Radwan
Download or read book Numerical Solution of the Three-dimensional Boundary Layer Equations in the Inverse Mode Using Finite Differences written by Samir Farid Radwan and published by . This book was released on 1985 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Problems of the Calculation of Three-dimensional Boundary-layer Flows on General Configurations by :
Download or read book Some Problems of the Calculation of Three-dimensional Boundary-layer Flows on General Configurations written by and published by . This book was released on 1973 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Fluid Mechanics and Heat Transfer by : Dale Anderson
Download or read book Computational Fluid Mechanics and Heat Transfer written by Dale Anderson and published by Taylor & Francis. This book was released on 2016-04-19 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thoroughly updated to include the latest developments in the field, this classic text on finite-difference and finite-volume computational methods maintains the fundamental concepts covered in the first edition. As an introductory text for advanced undergraduates and first-year graduate students, Computational Fluid Mechanics and Heat Transfer, Thi
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