Yanfei Qiang

Evaluation of hydrogen injection and oxygen enrichment strategies in an ammonia-hydrogen dual-fuel engine under high compression ratio

Hong Chen, Changwei Ji, Shuofeng Wang et al. · Fuel · 2023 · 45 citations

Hydrogen Injection, Hydrogen Production, Engineering +5

Numerical investigation on the combustion performance of ammonia-hydrogen spark-ignition engine under various high compression ratios and different spark-ignition timings

Changwei Ji, Yanfei Qiang, Shuofeng Wang et al. · International Journal of Hydrogen Energy · 2024 · 41 citations

Engineering, Combustion Science, Ammonia-hydrogen Spark-ignition Engine +6

Evaluation of the variable valve timing strategy in a direct-injection hydrogen engine with the Miller cycle under lean conditions

Changwei Ji, Hong Chen, Shuofeng Wang et al. · Fuel · 2023 · 38 citations

Lean Conditions, In-cylinder Flow, Hydrogen Combustion +4

Study on the effect of variable valve timing and spark timing on the performance of the hydrogen-fueled engine with passive pre-chamber ignition under partial load conditions

Yanfei Qiang, Changwei Ji, Shuofeng Wang et al. · Energy Conversion and Management · 2024 · 38 citations

Hydrogen-fueled Engine, Spark Timing, Combustion Science +3

Progressive strategies to avoid and exploit knock limit for optimal performance and stoichiometric operation of a DI hydrogen engine with high CR at WOT conditions

Hong Chen, Changwei Ji, Shuofeng Wang et al. · Fuel · 2023 · 26 citations

Hydrogen Energy Technology, Chemical Engineering, Engineering +9