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Flow Measurement in Pipes and Ducts

Engineer's, here is our online continuing education course material on Flow Measurement in Pipes and Ducts from Harlan H. Bengtson, PhD, PE . You will earn 3 PDH continuing education training hour upon conclusion of the CEU Leaf quiz.

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Course Highlights

This course is about measurement of the flow rate of a fluid flowing under pressure in a closed conduit. The closed conduit is often circular, but also may be square or rectangular (such as a heating duct) or any other shape. The other major category of flow is open channel flow, which is the flow of a liquid with a free surface open to atmospheric pressure. Measurement of the flow rate of a fluid flowing under pressure, is carried out for a variety of purposes, such as billing for water supply to homes or businesses or, for monitoring or process control of a wide variety of industrial processes, which involve flowing fluids. Several categories of pipe flow measurement devices will be described and discussed, including some associated calculations.

This course is intended primarily for mechanical, civil and chemical, environmental, and industrial engineers. Someone completing this course will gain knowledge about twelve different types of meters for measuring fluid flow rate in a closed conduit. They will learn about typical calculations for differential pressure meters and pitot tubes. They will learn the general principles of operation for each type and general advantages and disadvantages of each.

Engineer Learning Objectives:

At the conclusion of this course, the student will
  • Be able to calculate flow rate from measured pressure difference, fluid properties, and meter parameters, using the provided equations for venturi, orifice, and flow nozzle meters.
  • Be able to determine which type of ISO standard pressure tap locations are being used for a given orifice meter.
  • Be able to calculate the orifice coefficient, Co, for specified orifice and pipe diameters, pressure tap locations and fluid properties.
  • Be able to estimate the density of a specified gas at specified temperature and pressure using the Ideal Gas Equation.
  • Be able to calculate the velocity of a fluid for given pitot tube reading and fluid density.
  • Know the general configuration and principle of operation of rotameters and positive displacement, electromagnetic, target, turbine, vortex, and ultrasonic meters.
  • Know recommended applications for each of the type of flow meter discussed in this course.
  • Be familiar with the general characteristics of the types of flow meters discussed in this course, as summarized in Table 2 of the course content.

This is a handout style continuing education PDH class that comprehensively reviews the material.

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Online Format:

     Handout / Attachment

PDH Hours:


Engineer PDH Price: $67.50

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"Your concept of 'online' PE courses is both a timely and reasonably priced alternative. I wish I'd found CEU Leaf years ago."

David G. Gardner, P.E.

SVP (retired), Everett Prescott, Inc.

Gardiner, ME

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