Repair of Severely Damaged Rotor as an Emergency Spare
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Case Study 10: When the subject compressor was opened for an unrelated reason, it was unexpectedly found to have severe cracking, including a missing piece, on the first stage impeller and foreign object damage to the remaining three impellers. To mitigate risk while the common spare was running and a new rotor was manufactured, the subject rotor was repaired for use as an emergency spare. This case study discusses the extensive repairs performed to bring the rotor to a usable state.
Laney, Scot; Richards, Doug; White, Nicholas (2016). Repair of Severely Damaged Rotor as an Emergency Spare. Turbomachinery Laboratories, Texas A&M Engineering Experiment Station. Available electronically from