A Strategy of Intake Gas Control for Diesel Dual Fuel Engine with Natural Gas and Diesel Fuel

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  • 天然ガスと軽油の二元燃料ディーゼルエンジンにおける吸気制御指針の検討
  • テンネン ガス ト ケイユ ノ ニゲン ネンリョウ ディーゼルエンジン ニ オケル キュウキ セイギョ シシン ノ ケントウ

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Abstract

An experimental study was carried out with a diesel/natural gas dual fuel engine to discuss the control method of intake gas using supercharging and exhaust gas recirculation (EGR). The base engine was a 4-cylinder 3L diesel engine and gas injectors were attached at the intake ports to supply natural gas. The performance and exhaust gas were measured and analyzed. The results show that hot-EGR is effective to reduce not only nitrogen oxides but also carbon monoxides and unburnt hydrocarbons for wide range of load, and appropriate supercharging should be applied at high load operation.

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