class23_pipe_flow

class23_pipe_flow - Scoring: 90 4.0; 70-2.0 G 4.0 = 0.1R...

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11/28/2007 1 ES330, Section 2 Dr. Douglas Bohl 239 Camp x6683, dbohl@clarkson.edu www.clarkson.edu/~dbohl/es330 Simulation of flow in lungs during breathing
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2 Outline • Flow in Pipes – Entrance Length – Laminar Flow in Pipes – Turbulent Flow in Pipes – Friction factors • Objective – Be able to apply determine flow conditions in a pipe • Announcements – You will need to read sections 8.1-8.5 – HW#11 Due 12/06 (last hw!) – Final Tuesday December 11, 3:15 – 6:15 pm in the Alumni Gym, it will be combined with the other section
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3 Exam #2 • Average Score: 75
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Unformatted text preview: Scoring: 90 4.0; 70-2.0 G 4.0 = 0.1R aw-5.0 3.75-4: A 3.25-3.75 B+ 2.75-3.25 B Etc. The exams were good. Problems 1 was well done Problem 2 Control volume definition Hint!: Conservation of mass relates areas Problem 3 was also well done You need to remember the definition for acceleration! 4 Entrance Length 5 Reynolds Number in Pipes 6 7 8 9 10 11 12 13 Moody Chart Calculated /D from problem. Use linear range to guess f , calculate V and Re then iterate solution....
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class23_pipe_flow - Scoring: 90 4.0; 70-2.0 G 4.0 = 0.1R...

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