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Chapter01

# Chapter01 - Dynamics of Fluids AME 309 David C Wilcox...

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Dynamics of Dynamics of Fluids Fluids AME 309 David C. Wilcox

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Course Objectives/Details Course Objectives/Details z Learn to apply Newton’s laws of motion to fluids z Get an overview of the field 1. Text… Basic Fluid Mechanics by David C. Wilcox 2. Chapters Covered: 1-8, 10 and 11 z Grading 1. Homework 10%, Exam One 25%, Exam Two 25%, Final 40% 2. If final exam score exceeds overall average, grade is based entirely on final
Fluid Mechanics Advances Fluid Mechanics Advances - - 1 1 The most obvious impact of fluid mechanics is in aviation Wright Flyer, 1903 Glamorous Glennis, 1947 Apollo-11, 1969 SpaceShipOne, 2004

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Fluid Mechanics Advances Fluid Mechanics Advances - - 2 2 Aerodynamic drag force on automobiles is 1/3 that of early 20 th century designs 1914 2002 Fluid mechanics impacts design of power-generation facilities, heating and ventilation systems , computer disks, bridges, piers, microchip manufacture, artificial hearts, etc.
Dimensions and Units Dimensions and Units - - 1 1 z To describe physical properties in quantitative terms we must select a system of units z In modern engineering practice we use either the Standard International (SI) system or the U. S. Customary System (USCS) z Mass, length, time and temperature are called independent dimensions SI: kilogram, meter, second, Kelvin USCS: slug, foot, second, o Rankine

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Dimensions and Units Dimensions and Units - - 2 2 z Dependent dimensions can be expressed in terms of the independent dimensions, e. g., 1 Newton = (1 kg)(1 m/sec 2 ) = 1 kg•m/sec 2 1 pound = (1 slug)(1 ft/sec 2 ) = 1 slug•ft/sec 2 z To convert from one system of units to another, form dimensionless ratios from conversion tables… so that