Analytical & Numerical Study of Gas Turbine Combustor

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Authors : Ms. Urvashi. T. Dhanre , Ms. Sonam V. Sontakke

Abstract – Gas turbine plays an important role in many modern industries. The most prominent industries come into the mind are aerodynamic industries and power production industries. Although gas turbines offers many advantages but it has to satisfy some performance requirements, such as combustor exit temperature profile, exhaust emission, flame stability, structural entities, etc. These are related to the proper functioning of combustor.

The primary purpose of this study is to discuss the main requirements of gas turbine combustors in industrial application. The principal geometrical and aerodynamic features that are common to most types of gas turbine combustors are briefly reviewed. Reference is made to most of the key issues involved in combustor design and development. Manual calculations are somewhat tedious, so in order to save time and money, computer programming approach is attempted. Due to large parameters, the challenges in designing high performance combustion system have not changed significantly, but the approach has shifted towards a more sophisticated analysis process.

In this paper, analytical formulae described by various researchers are studied and also their parametric study on the design of combustor is discussed.  The various combustor components such as diffuser, swirler, combustor liner, combustor casing and different zones are systematically designed and c-programming is provided for quick access and change of the design parameters on combustor performance.