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Fluid Mechanics

  1. Martin Sommerfeld1,
  2. Stefan Horender2

Published Online: 15 OCT 2012

DOI: 10.1002/14356007.b01_05.pub2

Ullmann's Encyclopedia of Industrial Chemistry

Ullmann's Encyclopedia of Industrial Chemistry

How to Cite

Sommerfeld, M. and Horender, S. 2012. Fluid Mechanics. Ullmann's Encyclopedia of Industrial Chemistry. .

Author Information

  1. 1

    Zentrum für Ingenieurwissenschaften, Martin-Luther Universität Halle-Wittenberg, Halle (Saale), Germany

  2. 2

    WSL Institute for Snow and Avalanche Research SLF, Davos, Switzerland

Publication History

  1. Published Online: 15 OCT 2012

Abstract

The article contains sections titled:

1.Introduction
2.Basic Principles and Examples
2.1.Flow from a Reservoir—Energy Conservation and Bernoulli Equation
2.2.Origin and Consequences of Viscosity—Velocity and Pressure in Laminar Pipe-Flow
2.3.General Equations in 3D
2.3.1.Continuity Equation
2.3.2.Cauchy Equation
2.3.3.Navier–Stokes Equation in Cartesian and Cylindrical Coordinate Systems
2.3.4.Approximation for Small Velocities—Flow Around a Sphere
2.3.5.Thin Film Flow
2.3.6.Neglecting Viscosity—Potential Flow
2.4.Introduction to Turbulent Flow
2.4.1.Turbulent Pipe-Flow
2.4.2.Turbulent Flow Past a Sphere
2.4.3.The Turbulent Free Jet
2.4.4.The Turbulent Boundary Layer
2.5.Non-Newtonian Fluids
3.Multiphase Flow
3.1.Characterization of Dispersed Multiphase Flows
3.2.Modeling of Dispersed Multiphase Flows
3.2.1.Euler–Euler Approach
3.2.2.Euler–Lagrange Approach
4.Fluid Flow Measurements
4.1.Pressure Probes
4.2.Mechanical Anemometry
4.3.Hotwire and -film Anemometry
4.4.Optical Techniques
4.5.Application to Multiphase Flows
5.Examples of Multiphase Flows
5.1.Stirred Vessel
5.2.Pneumatic Conveying
6.Acknowledgement