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Application of alternative EGR and VGT strategies to a Diesel Engine


Reference:

Wijetunge, R. S., Hawley, J. G. and Vaughan, N. D., 2004. Application of alternative EGR and VGT strategies to a Diesel Engine. In: SAE 2004 World Congress and Exhibition, 2004-03-08 - 2004-03-11, Detroit, MI.

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Official URL:

http://dx.doi.org/10.4271/2004-01-0899

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Abstract

This paper describes the results of an investigation into alternative control strategies for diesel engines equipped with Exhaust Gas Recirculation (EGR) and Variable Geometry Turbocharging (VGT). The objectives of the research were to improve the engine aircharge performance during transient maneuvers, thus bringing benefits for fuel economy, exhaust emissions and engine transient performance. Two of the investigated areas are detailed in this paper: The coordinated control of the EGR-VGT systems to improve transient airflow at low-speed, low-load operation; Transient VGT control using exhaust pressure feedback. A simple and effective method for coordinating the EGR-VGT system is demonstrated to improve airflow response to tip-ins and tip-outs. The exhaust pressure feedback method is shown to overcome difficulties in the transient control of VGT systems, offering improved engine torque response and reduced transient backpressure.

Details

Item Type Conference or Workshop Items (Paper)
CreatorsWijetunge, R. S., Hawley, J. G. and Vaughan, N. D.
DOI10.4271/2004-01-0899
Related URLs
URLURL Type
http://www.scopus.com/record/display.url?origin=recordpage&eid=2-s2.0-84877223451&citeCnt=0&noHighlight=false&sort=plf-f&src=s&st1=university+of+bath&nlo=&nlr=&nls=&imp=t&sid=10.182.88.106%3a2868a783%3a13eceaf5409%3a-4fb72575&sot=b&sdt=b&sl=98&s=%28AFFILOUNSPECIFIED
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Faculty of Engineering & Design
RefereedYes
StatusPublished
ID Code2161
Additional InformationSAE Technical Paper 2004-01-0899

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