Operating rotating equipment at resonant frequencies can damage or destroy the equipment and create dangerous situations for nearby personnel. Understanding where these frequencies may exist is critical to safe and reliable operations. In this 4:51 YouTube video, Running Bump Test for Resonance Detection, Emerson’s Drew Mackley shows how tests can be performed while the rotating […]
Last week, I visited our Emerson division that makes the Rosemount brand family of instrumentation. One of the things I learned coming out of those meetings was a new release of thermowell design standards. For those not already familiar with a thermowell, it’s essentially a circular cylinder installed like a cantilever into process piping. The […]
Alain Pellegrino, a predictive maintenance technician with Emerson’s local business partner Laurentide Controls, has a great article in ReliablePlant.com on resonance in plant equipment. The article, How to identify, correct a resonance condition, describes how resonance is a common cause in excessive machine vibration. Resonant frequencies are something most all engineers face whether it is […]
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