October 31, 2025ProcessesOpen Access

Effects of Operating Parameters on Combustion Characteristics of Hydrogen-Doped Natural Gas

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Increasing hydrogen content elevates flame temperature and NOx emissions, while reducing CO and hydrocarbons.
Simulations reveal that an equivalence ratio of 0.8 balances efficiency with emission control, impacting performance.
Assessment using computational fluid dynamics showed unique staged-combustion mitigates NOx by 15-20% compared to single designs.
Findings suggest optimizing parameters like hydrogen fraction is crucial for efficient combustion in boiler systems.

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Computational fluid dynamics analysis uncovers how hydrogen blending and equivalence ratio impact NOx emissions in industrial boilers.

Wang et al. (2025) studied this question.

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