Abstract

Thermal life of any hot surface depends on its surface temperature measurement. Turbines and combustors are the main components of a gas turbine system which are subjected to high thermal stress due to flow of combustible gases. Higher exposure of these components to the maximum temperature leads to thermal stress; hence, the measurement of temperature at different locations of these components is necessary. Measurement of temperature through thermal paints is the latest development in the field of surface temperature detection. The present study deals with the design, fabrication and surface temperature evaluation of gas turbine blades. The colour change observed at different locations of blades corresponds to different temperature. A computational analysis of these blades has been performed. The observed experimental results hold in good agreement with the computational results.

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