Proceedings of the Dynamic Flow Conference 1978 on Dynamic Measurements in Unsteady Flows

ISBN-13: 9789400995673 / Angielski / Miękka / 2011 / 1039 str.

L. S. G. Kovasznay; A. Favre; P. Buchhave

Spis treści

Preface.- Preface.- Probes for Multivariant Flow Characteristics.- Probes for multivariant flow characteristics.- Quelques aspects de l’anémomètrie par fil chaud dans les écoulements turbulents de gaz présentant de forts gradients de température.- Local and instantaneous measurements in liquid metal MHD.- On data acquisition in heated turbulent flows.- The temperature sensitivity of hot wires.- Hot-wire anemometry for turbulence measurements in helium-air mixtures.- Measurements in Intermittent and Periodic Flow.- Measurement in Intermittent and periodic flow.- Pattern recognition, a means for detection of coherent structures in bounded turbulent shear flows.- Pattern recognition of coherent eddies.- The recognition of an evoked large scale structure in turbulent shear flows.- Detection of intermittent events maintaining Reynolds stress.- Measurement of spanwise distribution of turbulent structures.- Measurement of the periodic variation of turbomachine flow fields.- Measurements of internal intermittency and dissipation in fully developed turbulence.- Time-variant aerodynamic measurements in a research compressor.- Measurements in Two-Phase Flow.- Measurements in two-phase flow.- Optical methods in two-phase flow.- Studies of particle motion by laser Doppler techniques.- Measurement of particle size and concentrations using LDV techniques.- Experimental studies of two-phase air-water flows.- Measurement techniques in the two-phase flow region of the air-sea interface layer.- Local particle velocity distributions in two-phase flows measured by laser-Doppler velocimetry.- Transducer Techniques.- Transducer techniques.- Hot-wire measurements in low speed heated flow.- Examples of the use of the pulsed wire anemometer in highly turbulent flow.- Laser Doppler anemometer diagnostics in unsteady flows.- Application of laser Doppler anemometry to aeroacoustic research.- Sonic anemometer measurement of atmospheric turbulence.- Computer analysis of flow visualization records obtained by the smoke-wire technique.- Simultaneous measurement of flow velocities in multipoint by the laser Doppler velocimeter.- Analysis of data from 3-dimensional hot-wire probes using comparison with profile instrumentation for calibration.- Directional sensitivity of cylindrical hot-film probes in liquids.- Electrochemical method for dynamic measurements in two-phase flow.- Special Problems.- Comments on the statistical equations of turbulent flows and experiments.- LDA applications to internal combustion engines.- Specific problems in cardiovascular fluid dynamic measurements.- Instantaneous measurements of flame temperature and density by laser Raman scattering.- Diagnostic techniques in combustion MHD flows.- Disorder in pulsatile flow: biomedical measurements with hot film, laser and ultrasound anemometers.- Wall shear stress measurements in artificial heart valves with hot-film probes.- Simultaneous measurement of velocity and concentration in fiber suspension flow.- Signal and Data Processing.- Processing of random signals (with appendices by Paul D. Beuther and John L. Lumley).- Processing of laser anemometry signals.- LDA Signal analysis.- Spectrum measurements with laser velocimeters.- Determination of large eddy structures in the viscous sublayer: a progress report.- Data analysis of atmospheric measurements.- Digital analysis of LDA counter signals in a separated boundary layer.- Multichannel Measurements and High Order Statistics.- Multi-channel measurements and high-order statistics.- Multi-probes and higher moments.- Correlations spatiotemporelles d’ordre élevé.- Transverse vorticity measurements.- Nonsteady vorticity measurements: survey and new results.- Real-time measurements of turbulence quantities with a triple hot-wire system.