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Introduction to Fluid Mechanics

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Presentation on theme: "Introduction to Fluid Mechanics"— Presentation transcript:

1 Introduction to Fluid Mechanics
Chapter 1 Introduction

2 Main Topics Definition of a Fluid Basic Equations Methods of Analysis
Dimensions and Units

3 Definition of a Fluid When a shear stress is applied:
Fluids continuously deform Solids deform or bend

4 Basic Equations We need forms of the following Conservation of mass
Newton’s second law of motion The principle of angular momentum The first law of thermodynamics The second law of thermodynamics

5 Methods of Analysis System (or “Closed System”)
Control Volume (or “Open System”)

6 Dimensions and Units Systems of Dimensions [M], [L], [t], and [T]
[F], [L], [t], and [T] [F],[M], [L], [t], and [T]

7 Dimensions and Units Systems of Units MLtT FLtT FMLtT SI (kg, m, s, K)
British Gravitational (lbf, ft, s, oR) FMLtT English Engineering (lbf, lbm, ft, s, oR)

8 Dimensions and Units Systems of Units

9 Dimensions and Units Preferred Systems of Units SI (kg, m, s, K)
British Gravitational (lbf, ft, s, oR)


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