METHOD FOR OPTIMIZING BASE POINTS USED IN TEMPERATURE MAPPING OF A TURBINE HOT GAS FLOW PATH BY DETERMINING ACOUSTIC SIGNAL INTERSECTION POINTS
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United States of America Patent
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Apr 22, 2015
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Mar 13, 2014
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Abstract
A method for optimizing base points each used in a corresponding basis function utilized in generating a parameter map for a hot gas flow path constrained by a boundary. The method includes providing a plurality of transceivers, wherein each transceiver generates an acoustic signal that travels through a measurement space in the hot gas flow path and wherein each acoustic signal defines an acoustic path. The method also includes locating the transceivers such that the acoustic paths travel through a region of interest in the measurement space. In addition, an average temperature for each acoustic path is determined. Next, at least one base point in the measurement space is determined. Further, the method includes providing a basis function for each base point and generating a weight of each basis function.
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