GAS TURBINE MASS DIFFERENTIAL DETERMINATION SYSTEM AND METHOD

• Main Authors: HUNT, Lucas Christopher, VANGARI, Kiran, BARATE, Utkarsha Sunil, YOO, Benjamin
• Format: Patent
• Language: English; French; German
• Published: 06.09.2023
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

A method for determining mass differential in a hot gas path component of a gas turbine includes monitoring operational conditions of the gas turbine; determining whether changes in a gas turbine wheelspace temperature has occurred; determining whether a wheelspace temperature has changed by comparing the wheelspace temperature to at least one of a compressor inlet temperature and a compressor discharge temperature indicates a change in temperature; in response to determining the wheelspace temperature indicates a change in temperature has occurred; determining whether at least one of the following exists: a gas turbine exhaust temperature indicates a simultaneous change with the temperature change between wheelspace temperature compared to the at least one of the compressor inlet temperature and the compressor discharge temperature, and a gas turbine vibrational change. In response to at least one of the simultaneous change and the vibrational change existing, indicating a mass deviation in the hot gas path component of the gas turbine.