Conjugate Heat Transfer Analysis of Secondary Air Flow Path in Gas Turbine Engines
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Abstract
The gas turbine engine works at very high temperatures above the withstanding capabilities of the materials. Thus, a proper cooling has to be done for various components of the gas turbine engine. The cooling can be done by making secondary flow internal passages throughout the engine for passing the coolant air. These passages are designed without affecting the structure of the gas turbine engine. A computational heat transfer analysis was made by creating various zones on the discs of compressor and turbine. The analysis has been carried out by using ANSYS-FLUENT. Conjugate heat transfer analysis of the complete secondary air path of a gas turbine engine, for incompressible flow with rotation and conjugate heat transfer for the given engine operating conditions was carried out. All the results reported are converged solutions. The results reported are in form of graphical and contour plots. From the results, it was observed that all the necessary flow physics have been captured.
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