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Flow Measuring Devices

Learning Objectives

  • Describe the following types of flow measuring devices, or flowmeters:
    • Mass flowmeters
    • Velocity based flowmeters
    • Variable area flowmeters
    • Pressure based flowmeters
  • Explain how a Coriolis flowmeter and a thermal flowmeter determine mass flowrate
  • Describe the operation of the following velocity based flowmeters:
    • Turbine flowmeter
    • Vortex flowmeter
    • Magnetic flowmeter
    • Ultrasonic flowmeter
    • Optical flowmeter
  • Explain how a rotameter uses variable flow area to determine flowrate
  • Explain how differential pressure can indirectly indicate flowrate
  • Describe the following methods for producing a differential pressure that are commonly used in flow measuring instruments:
    • Orifice plates
    • Venturi tubes
    • Flow nozzles
    • Pitot tubes
  • Describe the difference between and give examples of concentric and non-concentric orifice plates

Available in English

50 Minutes

When you complete this lesson, you will be able to identify and describe the basic operation of various direct and indirect flow measurement devices.