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Flow Measurement in an
IIoT Digitized World
Presented by
David W. Spitzer
Spitzer and Boyes, LLC
+1.845.623.1830
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IIoT in Theory
� Many Sensors (Lick and Stick)
� Big Data in the Cloud
� Sensors
� Signal Transmission
� Device Diagnostics / Data Analysis
� Digital Enterprise
� RESULT: Better Decisions Quicker
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IIoT in Theory
� Sensors (Lick and Stick)
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IIoT in Theory
� Sensors (Lick and Stick)
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IIoT in Theory
� Sensors (Lick and Stick)
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IIoT in Theory
� Big Data in the Cloud
� Sensors
� Pneumatic / Analog / Digital Transmitters
� Signal Transmission Protocols
� Analog / Digital
� Wired / Wireless
� Device Diagnostics / Data Analysis
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IIoT in Theory
� Many Sensors (Lick and Stick)
� Big Data in the Cloud
� Sensors
� Signal Transmission
� Device Diagnostics / Data Analysis
� Digital Enterprise
� RESULT: Better Decisions Quicker
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IIoT Headwinds
� Viability
� Cost must be reduced by 80-90 percent
� Many sensors require wires for power
� Important parameters are already
measured and/or under control
� Sparse documentation of results
� Measurements are often not simple
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Velocity Profile
Flow
Velocity Profile (distorted)
�A distorted velocity profile can introduce significant errors into the measurement of most flowmeters
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Velocity Profile
� Good velocity profiles can be developed
� Straight run upstream and downstream
� No fittings or valves
� Upstream is usually longer and more important
� Flow conditioner
� Locate control valve downstream of
flowmeter
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180-inch Venturi
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180-inch Venturi Straight Run
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180-inch Venturi Data
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Technical Article
� What Do We “Know”? Revelations in
Flowmeter Straight-Run Effects
� Flow Control magazine (2010)� https://www.flowcontrolnetwork.com/what-do-we-know/
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Anecdotal IIoT Examples
� Vortex shedding flowmeter measurement
becomes unstable when pump motor
bearing needs to be replaced
� Flow drops off as heat exchanger plugs
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IIoT Practice
� Limited IIoT adoption
� Flow sensors are relatively expensive
� Not Lick and Stick
� Big Data in the Cloud for viable sensors
� Digital Enterprise trend continues
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IIoT Practice
� Benefits typically cannot be accurately
quantified prior to installation
� Difficult to justify expenditures
� Partial implementation
� RESULT: Better decisions… but not
quite as quickly as initially thought
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Spitzer and Boyes, LLC (+1.845.623.1830)
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Flow Measurement in an
IIoT Digitized World
Presented by
David W. Spitzer
Spitzer and Boyes, LLC