Maricopa Community Colleges  WRT253   20046-20076 
Official Course Description: MCCCD Approval: 06/22/04
WRT253 20046-20076 LEC 3 Credit(s) 3 Period(s)
Basic Hydraulic Principles
Basic open channel flow principles including velocity profiles, roughness coefficients and backwater computation.
Prerequisites: WRT250 or permission of department.
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MCCCD Official Course Competencies:
 
WRT253   20046-20076 Basic Hydraulic Principles
1. Explain fluid properties. (I)
2. Explain hydraulic forces on submerged objects. (II)
3. Define similitude and dimensional analysis. (III)
4. Explain the energy equation for an ideal fluid. (IV)
5. Steady uniform flow of real fluids in open channels. (V)
6. Determine velocity profiles. (VI)
7. Explain flow resistance in open channels. (VII)
8. Explain the momentum principle and the specific-energy equation. (VIII)
9. Explain gradually varied flow. (IX)
10. Determine roughness coefficients. (X)
11. Perform backwater computations. (XI)
12. Describe principles of energy loss. (XII)
13. Determine discharge for rapidly varied flow conditions. (XIII)
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MCCCD Official Course Outline:
 
WRT253   20046-20076 Basic Hydraulic Principles
    I. Fluid Properties
        A. Definitions
        B. Mechanical properties of some fluids
      II. Hydraulic forces on submerged objects
        III. Similitude and dimensional analysis
            A. Definitions
            B. Examples and exercises
          IV. Energy equation for an ideal fluid
              A. Streamlines
              B. The continuity equation
              C. The energy equation
            V. Real fluids in open channels
              VI. Velocity profiles
                  A. General concepts
                  B. Reynolds Number
                  C. Laminar flow
                  D. Turbulent flow
                VII. Flow resistance in open channels
                    A. General concepts
                    B. Chezy, Darcy-Weisbach, and Manning's equations
                    C. Flow in channel sections with variable roughness
                  VIII. Momentum Principle and Specific Energy
                      A. Definitions
                      B. The momentum equation
                      C. The specific-energy equation
                    IX. Gradually Varied Flow
                        A. Theory
                        B. Examples
                      X. Roughness Coefficients
                          A. Flow resistance for gradually varied flow in open channels
                          B. Measures of flow resistance (Manning's N)
                          C. Estimating resistance in stable channels
                          D. Special considerations in mobile-bed channels
                        XI. Backwater Computations
                            A. Classification of water-surface profiles
                            B. Modeling using step-backwater computation
                          XII. Local Energy Losses in Natural Channels
                              A. Concept and definitions
                              B. Methods of computation
                            XIII. Discharge Computations for Rapidly Varied Flow
                                A. Rapidly varied flow at constrictions
                                B. Flow through culverts
                                C. Flow over weirs
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