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PDH Online Course Description PDH Units/
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Pipe Flow (Timed & Monitored)

Gary D. Beckfeld, P.E.

This course presents basic procedures that are used for solving simple pipe flow problems but are also applicable to solutions of more complex cases. These procedures depend on the fluid properties, the type of flow, and the applicable governing equations, energy losses, and the unknown quantities.

Fluid properties reviewed in this course are viscosity and compressibility. Examples of viscosities are given for liquids and gases. The compressibility effect on density change is compared for liquids and gases.

Flow classifications described include uniform, non-uniform, isothermal, adiabatic, steady, unsteady, and laminar and turbulent. Example problems are presented to illustrate solutions of those flows expected to be the most prevalent in engineering problems.

The governing equations of conservation of mass, momentum, and energy are given for compressible, incompressible, isothermal and adiabatic fluid flow. The energy equations include loss terms for pipe fittings and for viscous friction. Isothermal and adiabatic gas laws are given.

Relations are given for viscous friction energy loss friction factors for both laminar and turbulent flows. For turbulent flow the pipe roughness and the Reynolds number are used to evaluate the friction factor from the Colebrook equation. The Mach number is used to check the effect of compressibility.

Finally, several example problems of incompressible flow are presented which illustrate solutions of flow problems for different unknowns. Three basic problems included cover (1) finding viscous friction loss and pumping power (2) finding flow rate and (3) finding pipe diameter. Addition example problems given cover compressible flow, isothermal and adiabatic flow, the thrust forces on pipe fittings, and a case of unsteady flow.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

User's Guide to Timed & Monitored Online Courses:

For Timed & Monitored (T&M) online courses, you need to log into your account to view the course content. You must complete the required study time (min. 50 minutes for each PDH) before you can submit your quiz answers and obtain your certificate of completion. However, you may print out the quiz questions anytime after purchase.

You do not need to complete the T&M course in one sitting. You may view the course content from office or home using different devices with Internet connection. Our website will keep track of your total time spent. If necessary, you may print the course content for ease of reading while you are online. You may also preview the content of M204T by viewing the content of M204 since they are identical.

For T&M courses, You need to actively view course content online - at least click your mouse once in a while. The on-screen tracking clock may stop due to inactivity at your end. If that happens, you may resume your clock by pressing F5 key on your keyboard or by refreshing your screen. Thank you for your cooperation.

Note: This course requires users to pay first before viewing the course content.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.