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Results for: Creator / Instructor Hillhouse, Grady Remove constraint Creator / Instructor: Hillhouse, Grady Keywords Fluid mechanics Remove constraint Keywords: Fluid mechanics Year 2018 Remove constraint Year: 2018

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  • Video 
    How to Collapse a Pipe by Closing a Valve

    How to Collapse a Pipe by Closing a Valve

    Water hammer can work in both directions, and I only discussed one of those in the previous video (https://youtu.be/xoLmVFAFjn4). This episode revisits that demonstration to show how water hammer can form a vacuum pressure in a pipe. Momentum carrying fluid away from a valve wants to keep going even after the valve is closed. This generates a negative pressure than can cause major damage!

    Subjects:
    Building Services Engineering
    Keywords:
    Valves Water hammer Hydraulic control Hydraulic transients Relief valves Fluid mechanics
    Resource Type:
    Video
     
  • Video 
    What is Cavitation?

    What is Cavitation?

    This video shows the basics of fluid cavitation, including demonstration from AvE. If you subject a fluid to a sudden change in pressure, some interesting things can happen. You can cause tremendous damage to moving parts, or you can harness this destructive power in many beneficial ways.

    Keywords:
    Hydrodynamics Cavitation Fluid mechanics
    Resource Type:
    Video