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Combustion and emission characteristics of stratified premixed and diffusion modes in direct-injection ammonia-hydrogen SI engines | Synapse
March 3, 2026
Combustion and emission characteristics of stratified premixed and diffusion modes in direct-injection ammonia-hydrogen SI engines
AS
Anqi Song
JL
Jinguang Li
Tianjin University
ZL
Zifan Lian
Tianjin University
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Key Points
Combustion characteristics differ significantly between stratified premixed and diffusion modes, affecting performance.
Emission levels vary based on combustion mode, with stratified premixed showing potential for lower pollutants.
Assessment through experimental analysis on direct-injection ammonia-hydrogen spark-ignition engines highlights crucial differences.
Understanding these characteristics may enable advancements in engine efficiency and emission reduction.
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Song et al. (Tue,) studied this question.
synapsesocial.com/papers/69a75a74c6e9836116a204b6
https://doi.org/https://doi.org/10.1016/j.energy.2026.140166