Research Article

Gas Turbine Health State Determination: Methodology Approach and Field Application

Table 1

Available measurements.

measurements measurements

: comp. inlet temp. : comp. outlet pressure
: ambient pressure : comp. outlet temp.
RH: relative humidity : power turb. outlet temp.
: filter pressure drop
var. nozzle position
: gas gen. turb. rot. speedOther measurements
: power turbine rot. speed : recuperator outlet temp. (air side)
: power output (calculated from measured , and ) : recuperator outlet temp. (gas side)