Abstract
Combustor design is the most unreliable and challenging portion in the design process of a gas turbine. To ensure the proper performance, many experimental tests must be performed on a combustor in the industry. The above mentioned design phase is costly and time consuming. This paper focused on an automated and augmented conceptual design methodology for conventional combustors. The design tool developed for this study employs empirical and semi-empirical models which include two main parts of the combustor, the reference diameter and area as well as the component design. The necessity of this work arose from an urgent need for comprehensive and fast generation data in the conceptual design phase of a combustion chamber. This automated and comprehensive tool, equipped with the capacity to provide many details, has a considerable impact on the reduction of further experimental effort. Also, the said tool is equipped with a geometrical model generation section that has application in the future design phases, e.g., detail design.
Highlights
The designing of gas turbine combustors and the analyzation of combustion creates fundamental challenges for designers
Reaching the collective values for the purported terms should be taken into account during the design process
In the initial phases of the classic design procedure, a combustor model is built upon a series of calculations used in acquiring the required amount of fuel flow to reach a target temperature while only considering some of the general geometrical parameters
Summary
The designing of gas turbine combustors and the analyzation of combustion creates fundamental challenges for designers. The engineering design problems may include conceptual, preliminary, detail, and experimental design phases. In the initial phases of the classic design procedure, a combustor model is built upon a series of calculations used in acquiring the required amount of fuel flow to reach a target temperature while only considering some of the general geometrical parameters. The increased use of fossil fuel and strict laws for engines to be ever more environmentally friendly, push the gas turbine designers to modify the existing designs or to develop new generations of combustors. A conceptual design tool may assist the designers by targeting more features of the combustor in the initial design phases, and reducing the number of trials during the experimental tests
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