工程流体力学(英文版)简介.pdf

工程流体力学(英文版)

Science and Technology University of Beijing

Engineering Fluid Mechanics(

:

:: 1215B liuxj@

工程流体力学(英文版)

Preface

1 Concept of Fluid Mechanics2 Development and Application of Fluid Mechanics

3 Research Method of Fluid Mechanics3 Contents

5 Reference

工程流体力学(英文版)

1 Concept of Engineering Fluid Mechanics

What is Fluid?liquids

gases

solid

What is Fluid Mechanics?Fluid Mechanics is a branch of Applied (macro-) Mechanics:

1.To study the principles of the statics and motion of liquids and gases.

2. To study the action of solid on fluid.

3. To study the applications of these principles.FluidEngineering Fluid Mechanics

工程流体力学(英文版)

Development and Application of Fluid Mechanics 1 The First Satge(before 17th century) (256 BC) Dujiangweir conservancy project (250 BC)Archimedes Principle Clepsydra

Sail windmill

Water Wheel

工程流体力学(英文版)

2 The Second Satge(17-19th century)

In 1647, Pascal staticsPrinciple

In 1678, Newtonian Stress equation

In 1738, Bernoulli Equation

In 1775, Euler built basic equation of ideal fluid

In 1781, Lagrange advanced stream function

In 1826, N-S equation.

In 1876, Reynolds found : laminar flow and turbulent flow. In 1858, Helmolholztheory of motion vortex.

in 1887, Separation theory of flow around body

In the end of 19th century, the theory of similarity

工程流体力学(英文版)

2 The Third Satge(20th century)

In 1902, KuttaPrincple

In 1904, Prandtlboundary layer theory

In 1910-1945, aerodynamics theories and

experiments

In 1912, Karman Vortex street

In 1921, Momentum Integral Equation

In 1954, Theory of turbulent flow

工程流体力学(英文版)

2 The Fourth Satge

Two key points:(Middle 20th century-)

Turbulence , Vortex and unsteady

flow

Applications:

hydraulic engineering, civil engineering,

communication transportation, machinery

manufacture, petrol exploitation, chemical

engineering and biological engineering

工程流体力学(英文版)

Application:

Avation

and navigation Engineering

工程流体力学(英文版)

Application:

hydraulic structure water

工程流体力学(英文版)

Application:

ocean engineering,

工程流体力学(英文版)

Application:

mechanical engineering

工程流体力学(英文版)

road and bridge engineering

工程流体力学(英文版)

Application:

conservancy engineering

工程流体力学(英文版)

urban flood and prevention

工程流体力学(英文版)

chemical engineering

工程流体力学(英文版)

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Automobile

工程流体力学(英文版)

power station; metallurgy engineering,

工程流体力学(英文版)

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Others:

工程流体力学(英文版)

3 Research Method of Fluid MechanicsTheoretical Research Method

Experimental Research Method

Computational Research MethodComputational

Theoretical Fluid Mechanics

Experimental Fluid MechanicsExperimental

Computational Fluid MechanicsComputational