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Effects of flame temperature on combustion instabilities of a premixed burner

Okon, Aniekan, Valera Medina, Agustin ORCID:, Kurji, Hayder and Marsh, Richard ORCID: 2017. Effects of flame temperature on combustion instabilities of a premixed burner. Presented at: 8th European Combustion Meeting 2017, Dubrovnik, Croatia, 18-21 April 2017.

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Combustion instabilities in gas turbine has been a major setback in the quest for efficient and clean combustion. Accurate characterisation and prediction of these disturbances is required to suppress them either at the design stage or in a close loop control when the system is in operation. The use of flame transfer functions has been a common approach in different literatures. Flame temperature is critical to the chemical time scale of the combustion system as it affects the rate of reaction. Although there has been increasing amount of literature on other factors which could modulate these instabilities, little attention has been paid to the inlet mixture – flame temperature effects on the combustion system. Thus, this study investigates these effects, using the open source acoustic simulator, (OSCILOS). Results demonstrate the temperature ratio variation as a potential method for controlling combustion instability in continuous combustion systems.

Item Type: Conference or Workshop Item (Paper)
Date Type: Completion
Status: Unpublished
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
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Date of First Compliant Deposit: 10 April 2017
Last Modified: 27 Jan 2023 02:17

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