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E-raamat: Hypersonic Flows for Reentry Problems: Volume II: Test Cases - Experiments and Computations Proceedings of a Workshop Held in Antibes, France, 22-25 January 1990

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  • ISBN-13: 9783642765278
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  • Formaat: PDF+DRM
  • Ilmumisaeg: 06-Dec-2012
  • Kirjastus: Springer-Verlag Berlin and Heidelberg GmbH & Co. K
  • Keel: eng
  • ISBN-13: 9783642765278

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Proceedings of a Workshop Held in Antibes, France, 22-25 January 1990

This entry describes the experimental work conducted in the Department of Aeronautics at Imperial College in connection with Test Problems 1 and 2 of the "Workshop on Hypersonic Flows for Reentry Problems, Part I". These are defined as follows: Test Problem 1 Flow Over a Slender Cone Test Problem 2 Turbulent Base Flow The main requirement of this text is to present the experimental data for direct comparison with the predictions of CFD codes. We have therefore concentrated mainly on a factual statement of measuring techniques and results, together with an assessment of experimental accuracy. Future publications will be devoted to more extensive physical interpretations and discussions of the results. We have produced a large volume of data, some of which were categorised as "MANDATORY" and some as "OPTIONAL" for the purposes of CFD validation. However, only the "MANDATORY" data are presented here, although the other data are available and will be published separately later. 2. EXPERIMENTAL ARRANGEMENT 2. 1 The Test Facility The experiments were conducted in the Imperial College No. 2 Gun tunnel. This facility is a conventional intermittent blowdown tunnel with a contoured Mach 9 (nominal) axisymmetric nozzle fed by a free piston compression heater. The operating condition under which the data contained in this report were obtained is presented in Table 1. Test 2 T (oK) M b. Mlm Po (N/m ) Re/m T (oK) IX) IX) Case IX) w 1. 1 7 7 +0. 14 9. 16 6. 67x10 5. 5xl0 59.
Problems for Analysis.- Flow over a Slender Cone.- Problem 2: Turbulent
Base Flow.- Problem 3: Flow over a 2D Ramp.- Problem 4: Flow over a 3D
Obstacle.- Problem 5: Corner Flow.- Problem 6: Double (Simple) Ellipsoid.-
Problem 7: Flow over a Delta Wing.- Problem 8: Non-equilibrium Flow in an Arc
Jet or a Shock Tube.- Appendix: Non-equilibrium Model for Problem 6.-
Problems 1-2.- Hypersonic Boundary Layer and Base Flow.- Computation of
Hypersonic Turbulent Flow over a Rearward Facing Step.- Hypersonic Cone Flow
Predictions Using an Implicit Upwind Space-Marching Code.- Synthesis A
Synthesis of Results for Test Cases 1 and 2: Hypersonic Boundary Layer and
Base Flow.- Problems 3-4.- Experiments on Shock-Wave/Boundary-Layer
Interactions Produced by Two-Dimensional Ramps and Three-Dimensional
Obstacles.- An Experimental Contribution to the Flat Plate 2D Compression
Ramp, Shock/Boundary Layer Interaction Problem at Mach 14: Test Case 3.7.-
Viscous, 2-D, Laminar Hypersonic Flows over Compression Ramps.- Computational
Results for 2-D and 3-D Ramp Flows with an Upwind Navier-Stokes Solver.-
Application of the Galerkin/Least-Squares Formulation to the Analysis of
Hypersonic Flows: I. Flow over a Two-Dimensional Ramp.- The Application of an
Adaptive Upwind Unstructured Grid Solution Algorithm to the Simulation of
Compressible Laminar Viscous Flows over Compression Corners.- Computation of
Flows over 2D Ramps.- Hypersonic Viscous Flow over Two-Dimensional Ramps.-
Grid-Refinement Study of Hypersonic Laminar Flow over a 2-D Ramp.-
Contribution to Problem 3 Using a Galerkin Least Square Finite Element
Method.- Computational Results for Flows over Compression Ramps.- Implicit
Upwind Finite-Difference Simulation of Laminar Hypersonic Flow over a 2D
Ramp.- Synthesis A Synthesis of Results on the Calculation of Flow over a 2D
Ramp and a 3D Obstacle: Antibes Test Cases 3 and 4.- Problem 5.- Experimental
Study of the Longitudinal Hypersonic Corner Flow Field.- Problem 6.- 6.1
Non-reacting Flows.- Experimental Study of the Flow Around a Double Ellipsoid
Configuration.- Solution of the Euler Equations Around a Double Ellipsoidal
Shape Using Unstructured Meshes and Including Real Gas Effects.- Computation
of 2D Inviscid Hypersonic Flows Using Unstructured Polygonal Meshes.- An
Upwind Relaxation Method for Hypersonic Viscous Flows over a
Double-Ellipsoidal Body.- Navier-Stokes Calculations over a Double Ellipse
and a Double Ellipsoid by an Implicit Non-centered Method.- Application of
the Galerkin/Least-Squares Formulation to the Analysis of Hypersonic Flows:
II. Flow Past a Double Ellipse.- The Application of an Adaptive Unstructured
Grid Method to the Solution of Hypersonic Flows Past Double Ellipse and
Double Ellipsoid Configurations.- Computation of the Hypersonic Flow over a
Double Ellipsoid.- High Resolution Schemes for Steady Hypersonic Flow.-
Numerical Simulation of Laminar Hypersonic Flow Past a Double-Ellipsoid.-
Inviscid and Viscous Flow Calculation over a Double Ellipse with an Implicit
Centered Method.- 2D Hypersonic Viscous Flow Past a Double Ellipse Geometry.-
Hypersonic Flows over a Double or Simple Ellipse.- Solving Flow Equations for
High Mach Numbers on Overlapping Grids.- An Explicit Finite-Difference
Solution of Hypersonic Flows Using Rational Runge-Kutta Scheme.- Viscous and
Inviscid Hypersonic Flow About a Double Ellipsoid.- Numerical Simulation of
Hypersonic Flow over a Double Ellipse Using a Taylor-Galerkin Finite Element
Formulation with Adaptive Grids.- Hypersonic Viscous Flow Past Double Ellipse
and Past Double Ellipsoid - Numerical Results.- Adaptive Mesh Embedding for
Reentry Flow Problems.- Synthesis Attempt to Evaluate the Computation for
Test Case 6.1-Cold Hypersonic Flow Past Ellipsoidal Shapes.- 6.2/6.3 Reacting
Flows.- A Staggered Mesh Finite Difference Scheme for the Computation of
Hypersonic Euler Flows.- Reactive Flow Computations by Upwind Finite
Elements.- Numerical Analysis of Chemically Reacting Inviscid Flow in 2-D.- A
Contribution to the Prediction of Hypersonic Non-equilibrium Flows.- Reactive
and Inert Inviscid Flow Solutions by Quasi-linear Formulations and Shock
Fitting.- Inviscid Calculations by an Upwind Finite Element Method of
Hypersonic Flows over a Double (Single) Ellipse.- Contribution to Problem 6
Using an Upwind Euler Solver with Unstructured Meshes.- Inviscid Hypersonic
Flow Simulations Using an Explicit Scheme.- Computation of Thermochemical
Non-equilibrium Flows Around a Simple and a Double Ellipse.- Synthesis Some
Comments on the Numerical Computations of Reacting Flows over the
Double-Ellipse (Double Ellipsoid).- 6.4 Rarefied Flows.- DSMC Calculations
for the Double Ellipse.- Rarefied Flow Around a Double Ellipse.- The
Hypersonic Double Ellipse in Rarefied Flow.- Problem 7.- 7.1 Vortex Flows.-
Leeside Flow over Delta Wing at M = 7.15 Experimental Results for Test Case
7.1.2*.- Hypersonic Delta Wing Flow Calculations Using a Multidomain MUSCL
Euler Solver.- Finite Volume 3DNS and PNS Solutions of Hypersonic Viscous
Flow Around a Delta Wing Using Osher's Flux Difference Splitting.- Inviscid
Hypersonic Flow over a Delta Wing.- Hypersonic Leeside Delta-Wing-Flow
Computations Using Centered Schemes.- Synthesis Evaluation of Contributions
for Test Cases 7.1.1 and 7.1.2.- 7.2 Rarefied Flows.- Experimental Density
Flowfields over a Delta Wing Located in Rarefied Hypersonic Flows.-
Experiments on the Heat Transfer and on the Aerodynamic Coefficients of a
Delta Wing in Rarefied Hypersonic Flows.- DSMC Calculations for the Delta
Wing.- Rarefied Gas Flow Around a 3D-Deltawing.- Synthesis (Problems 6.4/7.2)
Appraisal of the Rarefied Flow Computations.- Problem 8.- Study of a Nitrogen
D.C. Plasma Torch at Different Pressures Using Optical and Thermal
Diagnostics.- Non-equilibrium Flow in an Arc-Jet.- Non-equilibrium Flow in an
Arc Heated Wind Tunnel.- Calculation of Non-equilibrium Flows in a
High-Enthalpy Wind Tunnel.- Application of Program LAURA to Thermochemical
Non-equilibrium Flow Through a Nozzle.- Non-equilibrium Flow in a Hypersonic
Wind Tunnel Nozzle.- Non-equilibrium Flow in a Hypersonic Wind Tunnel
Nozzle.- Quasi Monodimensional Inviscid Non-equilibrium Nozzle Flow
Computation.- Synthesis Non-equilibrium Flow in an Arcjet or a Shock Tube.-
Conclusion.- General Synthesis.- Index of Contributors.