Control-Oriented Physics-Based NOx Emission Model for a Diesel Engine With Exhaust Gas Recirculation

2019 ◽  
Author(s):  
Saravanan Duraiarasan ◽  
Rasoul Salehi ◽  
Anna Stefanopoulou ◽  
Siddharth Mahesh ◽  
Marc Allain
Keyword(s):  
Diesel Engine ◽  
Dynamic Systems ◽  
Exhaust Gas Recirculation ◽  
Nox Emission ◽  
Exhaust Gas ◽  
Emission Model ◽  
Systems And Control ◽  
Gas Recirculation ◽  
And Control

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046450/1074858/Control-Oriented-Physics-Based-NOX-Emission-Model

Control-Oriented Physics-Based NOX Emission Model for a Diesel Engine With Exhaust Gas Recirculation

2020 ◽  
Vol 1 (1) ◽  
Author(s):  
Saravanan Duraiarasan ◽  
Rasoul Salehi ◽  
Anna Stefanopoulou ◽  
Siddharth Mahesh ◽  
Marc Allain
Keyword(s):  
Diesel Engine ◽  
Test Procedure ◽  
Flame Temperature ◽  
Exhaust Gas Recirculation ◽  
Nox Emission ◽  
Injection Timing ◽  
Exhaust Gas ◽  
Engine Control ◽  
Gas Recirculation ◽  
The Impact

Abstract Stringent NOX emission norm for heavy duty vehicles motivates the use of predictive models to reduce emissions of diesel engines by coordinating engine parameters and aftertreatment. In this paper, a physics-based control-oriented NOX model is presented to estimate the feedgas NOX for a diesel engine. This cycle-averaged NOX model is able to capture the impact of all major diesel engine control variables including the fuel injection timing, injection pressure, and injection rate, as well as the effect of cylinder charge dilution and intake pressure on the emissions. The impact of the cylinder charge dilution controlled by the engine exhaust gas recirculation (EGR) in the highly diluted diesel engine of this work is modeled using an adiabatic flame temperature predictor. The model structure is developed such that it can be embedded in an engine control unit without any need for an in-cylinder pressure sensor. In addition, details of this physics-based NOX model are presented along with a step-by-step model parameter identification procedure and experimental validation at both steady-state and transient conditions. Over a complete federal test procedure (FTP) cycle, on a cumulative basis the model prediction was more than 93% accurate.

scholarly journals Combustion, performance and emission analysis of a diesel engine fueled with methyl esters of Jatropha and fish oil with exhaust gas recirculation

2019 ◽  
Vol 160 ◽  
pp. 404-411 ◽  
Author(s):  
M. Saravana Kumar ◽  
M. Prabhahar ◽  
S. Sendilvelan ◽  
Sanjay Singh ◽  
R. Venkatesh ◽  
...  
Keyword(s):  
Diesel Engine ◽  
Fish Oil ◽  
Methyl Esters ◽  
Exhaust Gas Recirculation ◽  
Exhaust Gas ◽  
Emission Analysis ◽  
Performance And Emission ◽  
Combustion Performance ◽  
Gas Recirculation
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