CE 319F: (© Kinnas, 1998-2015)
     Web-outs, Announcements, Homework Assignments & Solutions
     Spring 2015 - Part III

• Part I of class (before Test I)
• Part II of class (after Test I and before Test II)

• LABS start the week of February 2, and will be held EVERY week. Make sure you visit the Lab website and print the corresponding documents BEFORE each lab.
• 22nd, 23rd & 24th classes (April 14, 21 & 23). Reading assignment: pp.180-182 (Reynolds Transport Theorem), pp. 227-228, and pp. 252-279 (Energy Equation)
  • A supplement on the Reynolds Transport Theorem - Integral form of the conservation of mass
  • A supplement to the solution of Example 6.6 of the textbook
  • The Energy equation for uniform inflow and outflow
  • Pictures of some pumps: A (centrifugal) pump - An (axial) pump which is part of a waterjet used for the propulsion of a high speed boat
  • Pictures of some turbines: An impulse turbine - Wind turbine farm - Ocean current turbine - Steam turbine (rotor part) - Hoover Dam generators (the turbines are underneath the generators and cannot be seen in this picture - Fig. 14.22 on p. 542 of the textbook shows drawings of a Francis turbine used in a hydro-electric plant).
  • Improved solution of Example 7.6
  • Homework No. 10 - Solutions
• 25th and 26th classes (April 28 & 30): Reading assignment: pp. 359-383 (Laminar and Turbulent flow inside pipes)
  • Review of formulas for laminar flow and turbulent flow inside pipes.
  • The Moody Chart --- Table 10.4 --- Table 10.5
  • Pictures of laminar and turbulent flow, and instantaneous vs. mean turbulent flow around a sphere
  • The following movies show the unsteady velocity of the turbulent flow-field close to the walls of UT/CAEE's flume, as measured (every 1/300 of a sec) with our PIV system (see the Turbulence Lab Description for details on the setup and flow conditions, and for some comparisons with predictions):
    • Instantaneous velocity vectors
    • Instantaneous and time-averaged velocity profile in the boundary layer
    • Horizontal velocity vs. time, and the time averaged value
• 27th and 28th classes (May 5 & 7): Reading assignment: Ch. 8 (Dimensional Analysis and Similitude)
  • Example on dimensional analysis
  • Some notes on Similitude - Tables and Figures from the Appendix of the textbook
  • Homework No. 11 - Solutions
  • The need for CFD (Computational Fluid Dynamics):
    • The Navier-Stokes equations (the differential form of the momentum equation, of which the integral form we covered in class)
    • Visualization of flow past a cylinder and a simulation of the flow using ANSYS_Fluent (a commercial CFD package). Note the flow starts as symmetric around the horizontal axis, but then it reveals the asymmetric vortex (swirl) patterns observed in the experiment.
    • Several CFD simulations, of which the results you may visualize (PRELIMINARY)
• >>>>>>> FINAL EXAM on Monday, May 18, 2pm-5pm, in CPE 2.204

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