Characteristics of non-methane hydrocarbons and methane emissions in exhaust gases under natural-gas/diesel dual-fuel combustion
Fuel(2021)
Abstract
•Effects of fuel fractions and diesel SOI on THC are discussed.•Methane is related with crevice effect and bulk quenching.•NMHC is related with wall-wetting of diesel spray.•MFB50 position has strong influence on heat transfer loss.•RCCI improved the BTE with reduction of THC emissions.
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Key words
AFR,ATDC,BTDC,CAD,CH4,CI,CO,CoV,CO2,EGR,GIE,HRR,MFB 50,NG,NMHC,NOx,O2,PRF,RCCI,SI,TDC,THC,TWC
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