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Wave Flow of Liquid Films

ISBN:
1-56700-021-5 (印刷)

Wave Flow of Liquid Films

Sergey Alekseenko
Kutateladze Institute of Thermophysics SB RAS, Lavrentyev Ave. 1, 630090, Novosibirsk, Russia; Department of Physics, Novosibirsk State University

V. E. Nakoryakov
S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Pr. Ac. Lavrentev, 1, Novosibirsk, 630090, Russia

B. G. Pokusaev
Siberian Power Engineering Institute, Siberian Branch of the Russian Academy of Sciences Irkutsk; and Moscow State University of Engineering Ecology, Staraya Basmannaya str. 21/4, Moscow, Russia

説明

The main goal of the book is generalization of the existing knowledges of the wavy flow of falling thin liquid films and transfer processes in wave regimes. The methods of local measurements of hydrodynamic parameters have been analyzed. The theoretical models of wave motion taking into account non-linearity, non-stationarity, dispersion, multi-wave character and other effects have been stated. The waves of different types, including solitons, have been described theoretically and experimentally. The influence of waves on the transfer processes through the interface has been demonstrated. The mechanisms of heat and mass transfer enhancement in wave films have been analyzed.



330 pages, © 1994

目次:

PREFACE
NOMENCLATURE
1. INTRODUCTION
1.1 Basic Concepts
1.2 Waves
1.3 Dimensionless Parameters
1.4 Film Application
1.5 Flow Regimes
2. EXPERIMENTAL SETUPS
3. METHODS FOR LOCAL MEASUREMENTS OF HYDRODYNAMIC PARAMETERS
3.1 Measurements of Local Film Thickness
3.2 Measurements of Local Velocities
3.3 Measurements of Local Shear Stress
4. MOMENTUM TRANSFER
4.1 General System of Equations
4.2 Momentum Equation
5. HYDRODYNAMICS OF LAMINAR AND TURBULENT LIQUID FILMS
5.1 Steady-State Laminar Film Flow on a Smooth Plate
5.2 Steady-State Turbulent Film Flow on a Smooth Plate
5.3 Initial Region
5.4 Film Flow along Geometrically Complex Surfaces
5.5 Nonstationary Flow
6. WAVE MOTION MODELLING
6.1 Capillary-Gravitational Waves
6.2 Kinematic waves
6.3 Boussinesq and Korteweg-de Vries Equations
6.4 Burgers and Korteweg-de Vries - Burgers Equations
6.5 Flow Stability. Orr-Sommerfeld Equation
6.6 Rayleigh - Taylor Instability
6.7 Kelvin - Helmholz Instability
6.8 Equations for Long Two-Dimensional Waves on a Film at Re ∼ 1
6.9 Equations for Long Three-Dimensional Weakly Nonlinear Waves on a Film with Re ∼ 1
6.10 Equations for Long Two-Dimensional Waves on a Film in the Range of Moderate Re
6.11 Two-Wave Equation
6.12 Equations for Three-Dimensional Waves on a Film at Moderate Re
7. WAVE IN THE REGION OF THEIR INCEPTION
8. TWO-DIMENSIONAL PERIODIC STATIONARY WAVES
8.1 Natural Waves
8.2 Excited Waves
8.3 Theoretical Description of Two-Dimensional Stationary Waves
8.4 Instantaneous Velocity Profile
9. EVOLUTION OF SOLITARY TWO-DIMENSIONAL PERTURBATIONS
9.1 “Steps”
9.2 Localized Perturbations
10. THREE-DIMENSIONAL WAVES
10.1 Three-Dimensional Travelling Waves
10.2 Three-Dimensional Standing Waves
11. STATISTIC CHARACTERISTICS OF WAVE AND TURBULENT LIQUID FILMS
12. WAVES AT A “LIQUID FILM - LIQUID” INTERFACE
13. WAVE EFFECT ON TRANSFER PROCESSES
13.1 Absorption of Dilute Gas
13.2 Mass Transfer from the Wall
13.3 Nonisothermal Absorption
13.4 Heat Transfer of Liquid Film with a Solid Surface
13.5 Evaporation and Condensation
14. FILM FLOW FORMATION AN IMPINGEMENT OF LIQUID JET ON A BARRIER
14.1 Hydrodynamics of a Axisymmetric Film. Hydraulic Jump
14.2 Mass Transfer Between Wall an Liquid Jet
REFERENCES