1_-_Introduction - UNIT 1 INTRODUCTION AND UNITS boring but...

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UNIT 1 INTRODUCTION AND UNITS boring but essential stuff
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1 st half outline 1. Definitions and units 2. Fluid properties 3. Fluid Statics a. Pressure b. Measurement instruments c. Forces on plane surfaces d. Buoyancy and stability of floating bodies e. Mechanics of fluids in rigid body
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Fluid Mechanics the study of the behaviour of fluids at rest and in motion.
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Fluids vs solids fluids are substances with no definite shape that are capable of flowing (layman) deform continuously in response to shear (more technical) Homsy et al 2007
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What about pitch (bitumen)? Begun in 1927 by Prof. Thomas Parnell pitch drop experiment live view University of Queensland
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Liquids and gases Fluids refer to both liquids and gases . V = constant - incompressible (almost) V = function of pressure  and temperature - compressible photo by B MacVicar photo by B MacVicar
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Dimensions e.g. height [L] velocity [L T -1 ] pressure [F L -2 ] Length [L] Mass [M] Time [T] Force [F] or [M L T -2 ]
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Young et al. 2007 Table 1.1
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1_-_Introduction - UNIT 1 INTRODUCTION AND UNITS boring but...

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