O’Connor, D.
David O’connor is a Principal Engineer and Mechanical Team Lead at Bently Nevada, a Baker Hughes Business in Minden, Nevada. He has developed products for in-core nuclear power reactors, gas and steam turbines, oil and gas exploration, power plant monitoring and large rotating machinery.
Reveal the unmonitored risks in your rotating equipment: The effects of torsional vibration—Part 2
In recent case studies, unexpected and unmonitored torsional vibration resulted in sudden failures, costly downtime and potential safety hazards. Part 1 of this article, which appeared in the January issue of <i>Hydrocarbon Processing,</i> examined the origins of torsional vibration and case histories to drive an understanding of the unmonitored risk existing at many industrial sites.
Reveal the unmonitored risks in your rotating equipment—Part 1
On December 15, 2002, an anomalous event occurred in a steam turbine of Unit 2 at the South Texas Project Electric Generating Station, a pressurized water reactor (PWR) nuclear reactor near Bay City, Texas. The ensuing investigation concluded that a blade was ejected from a low-pressure stage, and detailed inspections revealed additional cracked blades in several stages.
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