The joint of tube-to-tubesheet of heat exchanger is the key of the process of fabricating heat exchanger. The joint mode of the tube-to-tubesheet is composed by expanded joint, welded joint and expanded together with welded. The application range and requirement of welded mode is stipulated in Chinese Standard—GB151-1999 tube-shell heat exchanger, it as follows: the design pressure is not great 35MPa, and design diameter is not great 2600 mm. And it is not applied in the fields where there is great vibration and clearance erosion.
Fatigue Strength Analysis of Tube-to-Tubesheet Joint
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Su, W, Sang, Z, Ye, L, Huang, W, & Tong, Z. "Fatigue Strength Analysis of Tube-to-Tubesheet Joint." Proceedings of the ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. Volume 3: Design and Analysis. Vancouver, BC, Canada. July 23–27, 2006. pp. 353-361. ASME. https://doi.org/10.1115/PVP2006-ICPVT-11-94052
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