Documented thermowell failures designed to PTC 19.3TW and earlier, when evaluated with the drag crisis invoked, reveals the potential for enhanced reliability of the current standard in reducing the risk of failure. The code calculation remains largely intact apart from a conservative Strouhal number in conjunction with Reynolds number criteria marking the onset and terminus of the drag crisis.
The Drag Crisis and Thermowell Design
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received January 1, 2018; final manuscript received March 31, 2018; published online May 10, 2018. Assoc. Editor: Tomomichi Nakamura.
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Bartran, D. (May 10, 2018). "The Drag Crisis and Thermowell Design." ASME. J. Pressure Vessel Technol. August 2018; 140(4): 044501. https://doi.org/10.1115/1.4039882
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