Advances in Thermodynamic and Combustion Instability Analysis of Gas Turbine Combustor

Dear Colleagues,

Gas turbines are popular due to the availability of various renewable and alternative fuels such as synthetic gas (composed of H₂ and CO) and synthetic natural gas (composed of H₂ and CH₄), as well as conventional fuels such as natural gas and diesel fuel. Lean premixed gas turbine combustors have been known to be effective in minimizing pollutant exhaust gases such as NOx, and are extensively employed in aviation and industrial energy production systems because they offer relatively high efficiency compared with diffusion burners. However, premixed combustors may cause gas turbine components to experience the flash-back of flame and combustion instability, which are issues that have been studied by various research groups in recent decades.

Several effective approaches have been proposed to overcome these problems. One of these approaches is renewable energy, which can contribute significantly to a reduction in exhaust emissions. Some reliable, eco-friendly renewable energy sources have reached technical maturity, such as solar, wind, and tidal energy. However, the efficacy of renewable energy is heavily dependent on nature. In addition, energy conversion and energy storage can be problematic. Another approach is a technological innovation that ensures energy security without generating emissions; coal to natural gas or synthetic gas technologies have been developed for application in several commercial plants. Advanced combustion techniques with enhanced efficiency in gas turbine applications have also been studied by many researchers.

This Special Issue aims to investigate research on combustion instability for the stable operation of gas turbines and various burners and various methods that may be utilized to achieve carbon neutrality in gas turbine societies.

Dr. Seongpil Joo
Dr. Myunggeun Ahn
Guest Editors

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