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Pipe Sizing, Pipe Wall Stresses, and Introduction to Hydraulics for
Water Hammer NEW! Industry Professionals

PD777 PD764

F LU I DS A N D H E AT TR A N S F E R Public Courses Pipelines move uids by pumps under steady state conditions. However, This course introduces hydraulic systems from the basic concepts to the
when the ow becomes unsteady for example, when a downstream building and operation of these systems. It discusses the terminology
valve in a pipeline is closed rapidly – the result can be catastrophic. of hydraulic components, their construction and principles of operation,
Changes in the ow direction can create pressure surges producing stress and the ine ciencies in system performance. You will also learn about
in the pipe wall and a loud banging noise called water hammer. the operation of pumps, motors, valves, cylinders, rotary actuators and
accumulators. Other topics include understanding hydraulic schematics
It is important to understand the relationship between the pipe wall and calculating specifications for hydraulic requirements.
stresses and the changes in uid pressure and velocity to predict a
pipe wall failure. This course will provide the equations and calculations You Will Learn To
necessary to solve these problems. It will also provide a review of uid
mechanics uid properties, equations for steady and for unsteady ows, • Identify the distinguishing features of hydraulic systems
ow in a pipeline, friction factor, hydraulic and energy gradient lines, and • Recognize hydraulic components by symbols and read schematics
axial and hoop stress calculations in a pipe wall. Once this background is
provided, the unsteady ows can be modeled without undue di culty. based on ISO standards
• Analyze hydraulic circuits from a schematic drawing using animated
Today, the solutions may be obtained rather quickly using a spreadsheet.
Spreadsheet results allow the user to define how quickly a valve is closed, schematics modeled by Automation Studio
for example, and obtain results immediately. The user may change pipe • Explain the operation and applications of pumps, motors, valves,
diameter, friction factor, pipe length, etc., and immediately determine the
effects on pressure and on ow rate. Other unsteady ows can also be cylinders, rotary actuators and accumulators
described by the same equation. In fact, the water hammer problem can • Apply continuity and energy balance equations
be extended to model the unsteady ow of other uids. (Oils, for example, • Describe the basic configuration and operation of hydrostatic
are especially important.)
transmissions
The course will include exercises to provide participants the opportunity
to solve unsteady ow problems with spreadsheets using the proper Who Should A end
equations and calculations.
This program is designed for individuals who wish to increase their
Participants will be provided with a copy of Introduction to Fluid Mechanics knowledge of uid power, including engineers, technical sales personnel,
by William S. Janna. technicians and management personnel.

You Will Learn To Instructor Medhat Khalil
4 Days, 3 CEUs, 30 PDHs
• Model steady ow fundamentals in a pipeline Member 2,29 List Price 2,4 0
• Describe and model the unsteady ow called water hammer
• Explain how water hammer results in excessive pipe wall stresses
• Predict when such stresses exceed the yield stress of the pipe material
• Avoid pipeline design and operating conditions that may lead to

water hammer

Who Should A end

The class is designed for practicing engineers in the power and process
piping areas, including those in power companies, utility companies, valve
and pipe manufacturers, oil industries.

Special Requirements

Attendees should bring calculators to the course, and are strongly
encourage to bring laptop computers.

Instructor William S. Janna Medhat Khalil
4 Days, 3 CEUs, 30 PDHs
Member 2,29 List Price 2,4 0

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