Fluid- and Gasdynamics (Acta Mechanica. Supplementa) de G.H. Schnerr

Fluid- and Gasdynamics: Festschrift for Jürgen Zierep on the Occasion of his 65th Birthday: Acta Mechanica. Supplementa, cartea 4

G.H. Schnerr

R. Bohning

K. Bühler

W. Frank

en Limba Engleză Paperback – 20 ian 1994

This volume offers a wide range of theoretical, numerical and experimental research papers on fluid dynamics. The major fields of research - fundamentals of fluid mechanics as well as their applications - are treated:- stability phenomena: convective flow, thermal and hydrodynamic systems- transition, turbulence and separation: boundary-layer, turbulent combustion, rarefied gasdynamics, near wall and off wall flow fields, energy dissipation- transonic flow: homogeneous condensation, shock-waves, effects at Mach number unity- hypersonic flow: flow over spheres, aerothermodynamics, relaxation- fluid machinery: axial fans, compressor cascades, fluid couplings- computational fluid dynamics: passive shock control, zonal computation, cylinderflow, flow over wings- miscellaneous problems.

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Cuprins

1: Stability Phenomena.- Dynamics of flow instabilities in thermal and hydrodynamic systems.- Spoke pattern convection.- Digital particle image velocimetry applied to a natural convective flow.- 2: Transition, Turbulence and Separation.- On singular solutions of the incompressible boundary-layer equation including a point of vanishing skin friction.- Turbulence and rarefied gasdynamics.- Flow attachment at flow separation lines. On uniqueness problems between wall-flows and off-wall flow fields.- Near-wall phenomena in turbulent separated flows.- On the interaction of wave-like disturbances with shocks — two idealizations of the shock/turbulence interaction problem.- Some aspects of a model for coherent structures in turbulent boundary layers.- On the critical condition for wall turbulence generation.- Comparison of flamelet models for premixed turbulent combustion.- Correlations in homogeneous stratified shear turbulence.- Multiplicative models for turbulent energy dissipation.- 3: Transonic Flow.- Near critical transonic nozzle flows with homogeneous condensation.- Normal shock ?-foot topography at turbulent boundary layer.- On the stand-off distance of detached shock waves in internal transonic flows.- Internal flows with multiple sonic points.- The boundary value problem for low aspect ratio, pointed wings at sonic speed Recent developments in theory.- 4: Hypersonic Flow.- Hypervelocity flow over spheres.- Basics of aerothermodynamics.- Hypersonic flow of real gases with relaxation.- 5: Fluid Machinery.- Effect of sickle shaped blades on sound generated by axial flow fans.- Numerical simulation of 3D periodic flow in fluid couplings.- Passive control of shock-boundary layer interaction in transonic axial compressor cascade flow.- 6: Computational Fluid Dynamics.-Numerical simulation of viscous transonic airfoil flows with passive shock control.- Zonal computational method for turbulent plane cascade flow.- Simulations of compressible inviscid flows over stationary and rotating cylinders.- Computation of fictitious gas flow with Euler equations.- Calculation of three-dimensional flows with complex boundaries using a multigrid method.- Computational analysis of viscous hypersonic flow over delta wings.- The computation of transonic airfoil and wing design.- 7: Miscellaneous Problems.- Calculation of the Ranque effect in the vortex tube.- Topology of the flow resulting from vortex breakdown over a delta wing at subsonic speed.- The effect of the thermal conductivity on the propagation of small perturbations in viscous compressible fluid.- Imploding cylindrical temperature pulses in superfluid helium.- Self-similar solutions for two-dimensional slender-channel flows.- Interacting laminar boundary layers of dense gases.- Base pressure of a rotating axially symmetrical body.- A comparison of metastable flows of condensation in Laval nozzles and vaporization in capillary tubes.- Liquid metal magnetohydrodynamics in complex pipe geometries.- Optimum regularity of Navier-Stokes solutions at time t = 0 and applications.- Generalized similarity solutions for 3-D laminar compressible boundary layer flows on swept profiled cylinders.