Lecture5_1 - 9/28/2010 AME 331 Introduction to Fluid...

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9/28/2010 1 AME 331 Introduction to Fluid Mechanics Chapter 5: Differential Analysis of Fluid Motion Prof. Jesse Little University of Arizona 9/29/10 1 Lecture Preview and Assignments Today Chapter 5.1 Read Chapter 5.3 for next time We will spend a couple lectures on this Homework 5 due Friday (10/1) Exam 1 Monday (10/4) Covers Chapters 1-4 2
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2 Conservation of Mass 5-1 We previously developed integral formulations, but now we want the differential equations that describe flow. Give substantially more detail, but becomes very hard to solve. We will see why in time. As usual we start with an infinitesimally small cube Recall we did this for fluid statics in chapter 3 Let’s use our CV form of conservation of mass and start with the surface term 3 Conservation of Mass 5-1 Start with the density and velocity at the center of the cube. Note the aspects of the cube shown below
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Lecture5_1 - 9/28/2010 AME 331 Introduction to Fluid...

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