Practice Steps In Dimensional Analysis (3) - Dimensional Analysis and Hydraulic Similitude (Contd.,)

Practice: Steps in Dimensional Analysis

Lesson 3Dimensional Analysis and Hydraulic Similitude (Contd.,)

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10 questions

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6 sample questions

Question 1.
List three main variables involved in a pipe flow problem.
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Think about the flow characteristics.
Question 2.
What are the basic dimensions used in dimensional analysis?
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Consider the dimensions related to physical quantities.
3Question 3.
What is the first step of dimensional analysis?
- Choose repeating variables
- List all variables
- Express in basic dimensions
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Think about what you need to analyze the flow.
4Question 4.
True or False: The number of pi terms is equal to the number of variables minus the number of basic dimensions.
- True
- False
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Review the Buckingham Pi theorem.
Question 5.
Given a list of variables affecting fluid flow, apply the Buckingham Pi theorem to determine the number of pi terms and provide a relationship.
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Remember to categorize each variable according to dimensions.
Question 6.
Formulate pi terms from a complex flow problem involving three non-linear variables. Discuss how to choose repeating variables.
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Use known relationships to guide your selection of repeating variables.

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