scholarly journals Understanding elevated real-world NOx emissions: Heavy-duty diesel engine certification testing versus in-use vehicle testing

Fuel ◽  
2022 ◽  
Vol 307 ◽  
pp. 121771
Author(s):  
Yu Jiang ◽  
Yi Tan ◽  
Jiacheng Yang ◽  
Georgios Karavalakis ◽  
Kent C. Johnson ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Real World ◽  
Nox Emissions ◽  
Heavy Duty ◽  
Certification Testing ◽  
Heavy Duty Diesel Engine ◽  
Heavy Duty Diesel ◽  
Vehicle Testing

scholarly journals The Influence of High Cetane Blending Components on Emissions From a Heavy-Duty Diesel Engine With EGR

2004 ◽  
Author(s):  
W. Stuart Neill ◽  
Wallace L. Chippior ◽  
Ken Mitchell ◽  
Craig Faibridge ◽  
Rene´ Pigeon ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Methyl Ester ◽  
Test Procedure ◽  
Cetane Number ◽  
Exhaust Emissions ◽  
Nox Emissions ◽  
Heavy Duty ◽  
Heavy Duty Diesel Engine ◽  
Heavy Duty Diesel ◽  
Soy Methyl Ester

The exhaust emissions form a single-cylinder version of a heavy-duty diesel engine with exhaust gas recirculation (EGR) were measured with eight high-cetane components blended into an ultra-low sulphur diesel base fuel. the blending components evaluated were conventional nitrate and peroxide cetane improver additives, paraffins from two sources, three ethers, and soy methyl ester. The blending components were used to increase the cetane number of a base fuel by ten numbers, from 44 to 54. Exhaust emissions were measured using the AVL eight-mode steady-state test procedure. PM and NOx emissions from the engine were fairly insensitive to ignition quality improvement by nitrate and peroxide cetane improvers. Soy methyl ester and two of the ethers, 1,4 diethoxybutane and 2-ethoxyethyl ether, significantly reduced PM emissions, but increased ONx emissions. The two paraffinic blending components reduced both PM and NOx emissions.

Influence of Real-World Engine Load Conditions on Nanoparticle Emissions from a DPF and SCR Equipped Heavy-Duty Diesel Engine

2012 ◽  
Vol 46 (3) ◽  
pp. 1907-1913 ◽  
Author(s):  
Arvind Thiruvengadam ◽  
Marc C. Besch ◽  
Daniel K Carder ◽  
Adewale Oshinuga ◽  
Mridul Gautam
Keyword(s):  
Diesel Engine ◽  
Real World ◽  
Heavy Duty ◽  
Engine Load ◽  
Heavy Duty Diesel Engine ◽  
Heavy Duty Diesel ◽  
Load Conditions

Influence of Fuel Aromatics Type on the Particulate Matter and NOx Emissions of a Heavy-Duty Diesel Engine

2000 ◽  
Author(s):  
W. Stuart Neill ◽  
Wallace L. Chippior ◽  
Ömer L. Gülder ◽  
Jean Cooley ◽  
E. Keith Richardson ◽  
...  
Keyword(s):  
Particulate Matter ◽  
Diesel Engine ◽  
Nox Emissions ◽  
Heavy Duty ◽  
Heavy Duty Diesel Engine ◽  
Heavy Duty Diesel
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