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Posts Tagged ‘compressor surge’

Controlling Surge in Centrifugal Compressors

Posted in Process Optimization on Wednesday, May 15th, 2019. No comments yet
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Centrifugal and axial compressors can experience a potentially destructive condition known as surge. Emerson’s Mikhail Ilchenko describes it for me. Surge is a condition that occurs in compressors when the amount of gas they are trying to compress is insufficient for the size of the compressor and the blades lose their ability to transfer energy […]

Modeling and Controlling Compressor Surge

Posted in Simulation on Thursday, April 11th, 2019. No comments yet
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Some of the most perennially popular posts (say that fast 10 times!) here on the blog involve axial or centrifugal compressor surge control, or better stated—anti-surge control. In a paper presented at this year’s AIChE Spring Meeting, Emerson’s Greg McMillan—a member of the Process Automation Hall of Fame—presented Compressor Surge Modeling and Control. In his […]

Selection Criteria in Compressor Anti-Surge Valves

Posted in Final Control Element on Friday, August 18th, 2017. No comments yet
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Some of the most consistently popular posts here on the blog involve compressor anti-surge control. It’s a condition in centrifugal and axial compressors where a flow reversal condition can occur. Wikipedia defines centrifugal compressor surge as: …the point at which the compressor cannot add enough energy to overcome the system resistance or backpressure.[26] This causes […]

Effective Compressor AntiSurge Control

Posted in Project Services on Tuesday, November 29th, 2016. One comment so far
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Centrifugal and axial compressors are at the heart of many production processes. Effective compressor automation and turbomachinery control not only impacts efficiency, but also safety, reliability, production throughput and energy usage. A complete turbomachinery control system consists of measurement devices, high speed controllers, control valves, guide vane drives, turbine governors and more. I spoke with […]

Monitoring Compressors to Avoid Unplanned Downtime

Posted in Asset Optimization, Reliability on Wednesday, November 4th, 2015. One comment so far
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Compressors are important assets for most process manufacturers and producers. Common threats to their health include high vibration, fluctuations in gas flow, surge conditions, suction or discharge restrictions, temperature spikes, seal failures and inadequate lubrication. In this 3:50 YouTube video, Video Tutorial for Emerson’s Essential Asset Monitoring Software – Compressor Monitoring Module, Emerson’s Jordan Rogers […]