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

A Computational Investigation of Piston Bowl Geometry for a Large Bore Two-Cycle Diesel Engine

2011 ◽  
Author(s):  
Jonathan Dolak ◽  
Deep Bandyopadhyay
Keyword(s):  
Diesel Engine ◽  
Fuel Consumption ◽  
Simulation Software ◽  
Spray Angle ◽  
Tier 2 ◽  
Piston Bowl ◽  
Cylinder Test ◽  
Advanced Combustion ◽  
Combustion Simulation ◽  
Reduce Emissions

The objective of this research was to optimize an Electro-Motive Diesel (EMD) large-bore, two-cycle diesel engine (710 cubic inches of displacement per cylinder) at high load to minimize soot, nitrogen oxide (NOx) and fuel consumption. The variables considered were the number of spray-hole nozzles per injector, including spray angle and piston bowl geometry, for a range of injection pressures. Analytical simulations were conducted for a calibrated EMD 710 Tier 2 engine and a few of the top-performing cases were studied in detail. CONVERGE™, a commercially available, advanced combustion simulation software was used in this analysis. A surface deforming tool, Sculptor®, was used to obtain various piston bowl geometries. MiniTab® was utilized for statistical analysis. Results show that optimal combinations of injection variables and piston bowl shape exist to simultaneously reduce emissions and fuel consumption compared to Tier 2 EMD 710 engines. These configurations will be further tested in a single-cylinder test cell and presented later. This investigation shows the importance of bowl geometry and spray targeting on emissions and fuel consumption for large-bore, two-stroke engines with high power density.

A Small Displacement DI Diesel Engine Concept for High Fuel Economy Vehicles

1997 ◽  
Author(s):  
David L. Boggs ◽  
Richard C. Belaire ◽  
Bernd Bartunek ◽  
Manfred Dürnholz ◽  
Hermann-Josef Ecker
Keyword(s):  
Diesel Engine ◽  
Fuel Economy ◽  
Small Displacement ◽  
Di Diesel Engine ◽  
Engine Concept

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

New Downsized Diesel Engine Concept with HCCI Combustion at High Load Conditions

2015 ◽  
Author(s):  
Andrey Kuleshov ◽  
Alexey Kuleshov ◽  
Khamid Mahkamov ◽  
Timo Janhunen ◽  
Victor Akimov
Keyword(s):  
Diesel Engine ◽  
High Load ◽  
Hcci Combustion ◽  
Engine Concept ◽  
Load Conditions

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

Experiment Study of Performance, Combustion Process, and NOX Emission of Diesel Engine with Air-Cooled Angle Globe Valve EGR

2020 ◽  
Vol 35 ◽  
pp. 69-76
Author(s):  
Aguk Zuhdi Muhammad Fathallah ◽  
Anugrah Des Putra
Keyword(s):  
Diesel Engine ◽  
Combustion Process ◽  
Air Cooling ◽  
Tier 2 ◽  
Marine Diesel ◽  
Valve Opening ◽  
Institute Of Technology ◽  
Marine Engineering ◽  
Globe Valve ◽  
Tier 3

IMO ANNEX VI has enacted TIER III since 2016; one of the regulated emissions is NOX. The effective NOX reducing method is by using Exhaust Gas Recirculation (EGR). EGR valve with air-cooled angle globe valve type has been developed in Marine Diesel Laboratory, Department of Marine Engineering, Sepuluh Nopember Institute of Technology (ITS). EGR is in use on the Yanmar TF 85-MHDI diesel engine to study performance of engine, combustion processes, and NOX emitted experimentally. EGR varies from 0, 10, 20, and 30% respectively. To learn the performance of engine speed varied from 1800-2200 rpm. While the combustion process and NOX follow of IMO ANNEX VI. EGR without air cooling (HOT-EGR) is also studied for use as a reference of COLD-EGR achievement. The result of emission examine according to statistical data that modified diesel engine with HOT-EGR and COLD-EGR system are able to be within the threshold of emission test in TIER 2, at EGR valve opening 20% and 30% for load of 25%, 50%, and 75%. While for 100% load at EGR valve opening of 20% and 30%, the emission of diesel engine is capable of entering the TIER 3. In terms of performance the SFOC value can be improved on 10% of COLD-EGR condition with decrease of 14.62%, result for combustion process Peak pressure on the diesel engine becomes low and the heat release decreases.

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
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