Study of the influence of inlet gas temperature on the combustion and emission characteristics of hydrogen gas turbines

Guoqing Li; Jianquan Liu

doi:10.1117/12.3007033

25 October 2023 Study of the influence of inlet gas temperature on the combustion and emission characteristics of hydrogen gas turbines

Guoqing Li, Jianquan Liu

Author Affiliations +

Proceedings Volume 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023); 128011A (2023) https://doi.org/10.1117/12.3007033
Event: Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 2023, Dalian, China

Abstract

With the implementation of China's "double carbon" strategy, the low emission and peaking capability of gas turbines have received wide attention. In order to achieve zero carbon emission of gas turbine, this paper studies the effect of hydrogen combustion on the performance of gas turbine, and simulates the effect of inlet gas temperature on the flow field, outlet temperature distribution, pressure loss and pollutant emission under the condition of constant power of hydrogen gas turbine through numerical simulation of a certain type of gas turbine by fluent. The results show that with a constant fuel mass flow rate, the inlet and outlet velocities of the combustion chamber increase significantly with increasing inlet gas temperature, which does not significantly affect the reflux zone, but changes the velocity distribution, making the radial velocity distribution centrosymmetric. In addition, the hot spot indicator gradually decreases, the temperature distribution of the gas exiting the combustion chamber becomes more uniform and the gas quality gradually improves, but the pressure loss and NOx pollutant emissions gradually increase. The combustion characteristics and emission characteristics of the gas turbine combustion chamber under full hydrogen combustion are derived from numerical simulations in this study, which provide a reference for future gas turbine fuel changes and hydrogen doping design.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Guoqing Li and Jianquan Liu "Study of the influence of inlet gas temperature on the combustion and emission characteristics of hydrogen gas turbines", Proc. SPIE 12801, Ninth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2023), 128011A (25 October 2023); https://doi.org/10.1117/12.3007033

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KEYWORDS

Combustion

Vacuum chambers

Turbines

Hydrogen

NOx

Temperature distribution

Hydrogen energy

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