Diagnostic tolerances evalution method of the start-up exhaust temperature of a naval gas turbine
 
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Publication date: 2011-05-01
 
Combustion Engines 2011,145(2)
 
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ABSTRACT
The conducted investigations aimed at developing of the method of marking diagnostic tolerances of the exhaust temperature of a gas turbine observed during engine start-up. The diagnostic tolerances were determined by means of statistical inference by creating the hypothesis about a normal distribution of the start-up exhaust temperature dispersion in the moment of initial operation, which was subsequently verified applying a non-parametric statistical test χ2 of the compliance between the empirical and the assumed normal distribution. A satisfactory convergence of the compared distributions was obtained as the result of a testing of the created hypothesis, which represented the basis for the acceptance of the three-sigma boundaries of diagnostic tolerances for the considered engine control parameter.
eISSN:2658-1442
ISSN:2300-9896