Development of the DDA 8.2L Diesel Engine for 1988 Emission Standards

1988 ◽  
Author(s):  
Richard E. Winsor ◽  
Clifford L. Wheeler
Keyword(s):  
Diesel Engine ◽  
Emission Standards

Experimental Study on Urea Dosing Strategy for SCR on an Engine Fuelled with Bio-Diesel

2013 ◽  
Vol 848 ◽  
pp. 286-290 ◽  
Author(s):  
Hong Juan Ren ◽  
Di Ming Lou ◽  
Pi Qiang Tan ◽  
Zhi Yuan Hu
Keyword(s):  
Diesel Engine ◽  
Consumption Rate ◽  
Waste Cooking Oil ◽  
Conversion Ratio ◽  
Engine Torque ◽  
Average Value ◽  
Cooking Oil ◽  
Fuel Consumption Rate ◽  
Emission Standards ◽  
Dosing Strategy

Urea dosing strategy for SCR is studied for a diesel engine fuelled with bio-diesel BD20. Bio-diesel BD20 is consisted of biofuels made from waste cooking oil and national V diesel, and biofuels accounts for 20% by volume. The results show that, bio-diesel engine torque decreases by a maximum of 0.55%, brake fuel consumption rate increases by a maximum of 0.53% ,when the urea dosing strategy is adjusted and the engine and SCR are not changed. ESC tests show that, the maximum of NOXconversion ratio is 95%, the minimum is 57%, and the average value is 74% under ESC 12 conditions except idling, the maximum of HC decrease ratio is 74%, the minimum is 35%, and the average value is 55%, when the urea is dosed. NOXemission is 1.55 g/(kW·h) in ESC test, NOXemission is 2 g/(kW·h) in ETC test, and NH3slip is lower than 10×10-6, which proves that the NOXemission from the engine fuelled with BD20 can meet national emission standards V by adjusting the urea dosing strategy.

Diesel Engine Development for Emission Standards in Emerging Markets

2012 ◽  
Vol 1 (2) ◽  
pp. 26-31
Author(s):  
Hartwig Busch ◽  
Lars Henning ◽  
Thomas Körfer ◽  
Christopher Severin
Keyword(s):  
Diesel Engine ◽  
Emerging Markets ◽  
Emission Standards ◽  
Engine Development

A diesel engine concept to fulfil tier 2 bin 5 emission standards

MTZ worldwide ◽  
2005 ◽  
Vol 66 (11) ◽  
pp. 36-39
Author(s):  
Marek Tatur ◽  
Dean Tomazic ◽  
Matthew Thornton ◽  
Matthias Lamping
Keyword(s):  
Diesel Engine ◽  
Tier 2 ◽  
Emission Standards ◽  
Engine Concept

Diesel Engine Development for Emission Standards in Emerging Markets

MTZ worldwide ◽  
2011 ◽  
Vol 72 (12) ◽  
pp. 36-41 ◽  
Author(s):  
Hartwig Busch ◽  
Lars Henning ◽  
Thomas Körfer ◽  
Christopher Severin
Keyword(s):  
Diesel Engine ◽  
Emerging Markets ◽  
Emission Standards ◽  
Engine Development

Application of Heavy Duty Diesel Engine to Future Emission Standards

1991 ◽  
Author(s):  
Masatoshi Shimoda ◽  
Kenji Funai ◽  
Kiyohiro Shimokawa ◽  
Tetsuya Otani ◽  
Isao Joko
Keyword(s):  
Diesel Engine ◽  
Heavy Duty ◽  
Emission Standards ◽  
Heavy Duty Diesel Engine ◽  
Future Emission ◽  
Heavy Duty Diesel

A Compression Ratio Selection Method of the Non-Road Diesel Engine Without EGR System to Meet Stage V Emission Standards

2017 ◽  
Author(s):  
Jongyoon Lee ◽  
Jayun Cho ◽  
Dockoon Yoo
Keyword(s):  
Diesel Engine ◽  
Compression Ratio ◽  
Fuel Efficiency ◽  
Engine Performance ◽  
Bench Test ◽  
Piston Bowl ◽  
Emission Standards ◽  
Start Of Injection ◽  
Engine System ◽  
Allowable Temperature

Fuel efficiency is the key buying factor in the non-road diesel engine market, because the engine mainly operates in the high torque region and consumes relatively large amount of fuel in a short term. A compression ratio of diesel engine is deeply related to a thermal efficiency and it is one of the key design parameter influencing on the fuel efficiency. In this paper, the new approach to select compression ratio is described and the design constrains such as in-cylinder max allowable pressure, max allowable temperature at turbine front end and max allowable temperature at compressor back end were considered. The base engine is 3.4 liter non-road diesel engine without EGR (Exhaust Gas Recirculation) system for Stage V emission standards and is originated from the same engine system with EGR system to meet Tier 4 Final emission standards. Its official compression ratio is 17.0. The purpose of this study is to select an optimal compression ratio for non-road diesel engine system with non-EGR system to meet Stage V emission standards. The methodology to be presented in this study is based on the 1-D engine performance simulations, the 3-D CFD (Computational Fluid Dynamics) combustion simulations, and the engine bench test. In these simulations, a compression ratio and a SOI (Start of Injection) were considered for sweeping parameters. With analyzing the results of parameter studies and engine design constraints, an optimal compression ratio is found to be 18.0. As a result of many engine bench tests, a fuel consumption has been improved by 1.5% with new piston bowl of which compression ratio is 18.0, meeting Stage V emission standards.

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