This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Study on Reduction of Diesel Engine Out Emission through Closed Loop Control based on the In-Cylinder Pressure with EGR Model
Technical Paper
2013-01-0322
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
More emissions are produced when Diesel engines operate in the transient state than in the steady state. This discrepancy is due to mismatching between the air-charging system and the fueling system. Moreover, the difference in the response time between the intake pressure and the exhaust pressure caused by turbo-lag leads to an excess supply of EGR.
In this study, a model that can calculate the EGR rate of the intake gas was developed. In the model, temperatures of the air, the EGR gas and the mixture gas were measured with thermocouples which have a fast response. The EGR rate was calculated through the energy balance equation considering heat transfer.
Moreover, the estimated EGR rate was applied to a closed-loop control system that receives feedback from 50 % of the mass fraction burned (MFB50) by a 2.2 L Diesel engine. When there is a difference between the target EGR rate and the estimated EGR rate, the target MFB50 can be modified. When the EGR correction with closed-loop control was applied to engine control, the emission peak in the transient state was mitigated. In particular, the NOx emission decreased by up to 30 % compared to the emissions without the EGR estimation model.
Recommended Content
Authors
Topic
Citation
Lee, S., Lee, J., Lee, S., Kim, D. et al., "Study on Reduction of Diesel Engine Out Emission through Closed Loop Control based on the In-Cylinder Pressure with EGR Model," SAE Technical Paper 2013-01-0322, 2013, https://doi.org/10.4271/2013-01-0322.Also In
References
- Johnson , T. Diesel Emissions in Review SAE Int. J. Engines 4 1 143 157 2011 10.4271/2011-01-0304
- Diesel Net Cars and Light Trucks http://www.dieselnet.com/standards/ Oct. 2012
- Kirchen , P. , Obrecht , P. , and Boulouchos , K. Soot Emission Measurements and Validation of a Mean Value Soot Model for Common-Rail Diesel Engines during Transient Operation SAE Int. J. Engines 2 1 1663 1678 2009 10.4271/2009-01-1904
- Hagena , J. , Filipi , Z. , and Assanis , D. Transient Diesel Emissions: Analysis of Engine Operation During a Tip-In SAE Technical Paper 2006-01-1151 2006 10.4271/2006-01-1151
- Kang , H. and Farrell , P. Experimental Investigation of Transient Emissions (HC and NOx) in a High Speed Direct Injection (HSDI) Diesel Engine SAE Technical Paper 2005-01-3883 2005 10.4271/2005-01-3883
- Constantine D. , and Evangelos G. Diesel Engine Transient Operation 97 74 Springer London 2009 10.1007/978-1-84882-375-4
- Dekker , H. and Sturm , W. Simulation and Control of a HD Diesel Engine Equipped with New EGR Technology SAE Technical Paper 960871 1996 10.4271/960871
- Mollenhauer K. and Tschoeke H. Handbook of Diesel Engines Springer 2010 10.1007/978-3-540-89083-6
- Carlucci , A. , Chiara , F. , and Laforgia , D. Block Vibration as a Way of Monitoring the Combustion Evolution in a Direct Injection Diesel Engine SAE Technical Paper 2006-01-1532 2006 10.4271/2006-01-1532
- Goldwine , G. , deBotton , G. , Rivin , B. , and Sher , E. Studying the Relationship between the Vibration Signature and the Combustion Process in Diesel Engines SAE Technical Paper 2004-01-1786 2004 10.4271/2004-01-1786
- Hariyanto , A. , Bagiasna , K. , Asharimurti , I. , Wijaya , A. et al. Application of Wavelet Analysis to Determine the Start of Combustion of Diesel Engines SAE Technical Paper 2007-01-3556 2007 10.4271/2007-01-3556
- Arnone , L. , Boni , M. , Manelli , S. , Chiavola , O. et al. Diesel Engine Combustion Monitoring through Block Vibration Signal Analysis SAE Technical Paper 2009-01-0765 2009 10.4271/2009-01-0765
- Payri F. , Broatch A. , Tormos B. and Marant V. New methodology for in-cylinder pressure analysis in direct injection diesel engines - application to combustion noise Measurement Science Technology 16 540 547 2005 10.1088/0957-0233/16/2/029
- Haraldsson , G. , Tunestål , P. , Johansson , B. , and Hyvönen , J. HCCI Combustion Phasing with Closed-Loop Combustion Control Using Variable Compression Ratio in a Multi Cylinder Engine SAE Technical Paper 2003-01-1830 2003 10.4271/2003-01-1830
- Hasegawa , M. , Shimasaki , Y. , Yamaguchi , S. , Kobayashi , M. et al. Study on Ignition Timing Control for Diesel Engines Using In-Cylinder Pressure Sensor SAE Technical Paper 2006-01-0180 2006 10.4271/2006-01-0180
- Yu , S. Study on the engine control using the in-cylinder pressure in diesel engine Ph.D. Thesis School of Mechanical and Aerospace Engineering, Seoul National University Seoul 2012
- Park , Y. , Lee , H. , Kim , J. , Lee , K. et al. Cylinder Air Charge Estimation for a Diesel Engine Equipped with VGT, EGR, and SCV SAE Technical Paper 2011-01-1148 2011 10.4271/2011-01-1148
- Desantes J. , Galindo J. , Guardiola C. and Dolz V. Air mass flow estimation in turbocharged diesel engines from in-cylinder pressure measurement Experimental Thermal and Fluid Science 34 37 47 2010 10.1016/j.expthermflusci.2009.08.009
- Mladek , M. and Onder , C. A Model for the Estimation of Inducted Air Mass and the Residual Gas Fraction using Cylinder Pressure Measurements SAE Technical Paper 2000-01-0958 2000 10.4271/2000-01-0958
- Cambustion NDIR500 CO & CO2 analyzer http://www.cambustion.com/products/ndir500 Oct. 2012
- Mladek , M. and Onder , C. A Model for the Estimation of Inducted Air Mass and the Residual Gas Fraction using Cylinder Pressure Measurements SAE Technical Paper 2000-01-0958 2000 10.4271/2000-01-0958
- Frank , I. , David D. , Theodore B. and Adrienne L. introduction to Heat Transfer 5th 484 487 John Wiley & Sons 2005
- Omega Thermocouple Response Time http://www.omega.com/temperature/Z/ThermocoupleResponseTime.html Oct. 2012