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addition air preheater analysis ASME ASME for nine atomizer blade failure boiler burner coal conversion combustion combustor components condenser corrosion cost cracking cycle deposit detected developed disc efficiency Electric emission EPRI equipment erosion evaluation failure analysis fans feedwater heaters firing flame flue gas fly ash frequency fuel furnace heat rate ignitors improve increased inlet inspection installed Jim Bridger joint journal bearing leakage load maintenance material measured mode monitoring nozzle operating outage output particles percent performance pipe power plant pressure problems publication upon presentation pulverized coal pump reduced reheat rotor scanner sensor shaft shown in Figure signal slagging speed startup steam flow steam turbine steel stress stress corrosion cracking subsystem superheater surface temperature thermal thermocouple thermowell tion torque tube tube material tubesheet turbine-generator unit utility valve vanadium velocity vibration weld