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TECHNICAL PAPERS: Internal Combustion Engines

Development of an Exhaust Gas Recirculation Distribution Prediction Method Using Three-Dimensional Flow Analysis and Its Application

[+] Author and Article Information
K. Yoshizawa, K. Mori, Y. Matayoshi, S. Kimura

Powertrain and Environment Research Laboratory, Nissan Research Center, Nissan Motor Company, Ltd., 1, Natsushima-cho, Yokosuka 237-8523, Japan

J. Eng. Gas Turbines Power 125(4), 1066-1074 (Nov 18, 2003) (9 pages) doi:10.1115/1.1581896 History: Received February 07, 2002; Revised August 01, 2002; Online November 18, 2003
Copyright © 2003 by ASME
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References

Kimura,  S., Muranaka,  S., and Aoki,  O., 1999, “Possibility of Attaining High-Efficiency, Ultra-Clean Diesel Engines With Low-Temperature Premixed Combustion,” Journal of JSAE, 53 (4), pp. 17–23 (in Japanese with English abstract).
Takagi, Y., Itoh, T., Muranaka, S., Iiyama, A., Iwakiri, Y., Urushihara, T., and Naitoh, K., 1998, “Simultaneous Attainment of Low Fuel Consumption, High Output Power and Low Exhaust Emissions in Direct Injection SI Engines,” SAE Paper 980149.
Mamiya,  N., and Chuubachi,  M., 1997, “Application of Three-Dimensional CAD System to Engine Development,” Journal of JSAE, 51 (12), pp. 50–56 (in Japanese with English abstract).
Yoshizawa, K., Takeyama, S., Sakai, E., and Tanzawa, K., 1997, “Numerical Analysis of Exhaust Gas Flow during the Gas Exchange Process and Design Optimization,” Proceedings of the JSAE Annual Autumn Meeting, 975 , pp. 129–132 (in Japanese with English abstract).
Yoshizawa, K., Mori, K., Arai, K., and Iiyama, A., 1999, “Numerical Analysis of Exhaust Gas Flow and Its Application for Lambda Control Improvement,” Proceedings of the ASME Technical Conference, ICE-Vol. 33-3, pp. 151–159.
Ahn, H., Cho, K., and Choi, J., 1999, “Analysis of EGR Distribution Characteristics in Intake Manifolds and Plenum Chamber With 1-D and 3-D Hybrid Calculations,” JSAE and KSAE ICE Symposium.
Bolton, B., Takenaka, Y., Aoyagi, Y., and Joko, I., 1993, “Analysis of Intake Manifold Flow in an Inline 6-Cylinder DI Diesel Engine,” Proceedings of the JSAE Annual Spring Meeting, 933 , pp. 159–162 (in Japanese with English abstract).
Takeyama, S., Ishizawa, S., Yoshikawa, Y., and Takagi, Y., 1987, “Gas Exchange Simulation Model for Improving Charging Efficiency of 4-Valve Internal Combustion Engine,” I.M.E. The First Conference of Computers in Engine Technology, pp. 123–129.
Kimura, S., and Yokoyama, T., 1994, “Reduction of Intake Pulsation Noise by Reducing Noise Sources,” Proceedings of the JSAE Annual Autumn Meeting (in Japanese with English abstract).
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Figures

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EGR rates with spiral blow-type EGR system
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Shapes of EGR gas introduction ports
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Effect of EGR gas introduction port shape on EGR rate (calculated)
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Location of EGR gas introduction port
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Effect of EGR gas introduction port location on EGR rate (calculated)
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Spiral blow-type EGR system applied to Nissan QR engine
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EGR rate variance (experimental)
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Plan view and side view of reverse flow region
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Effect of throttle opening angle on reverse flow region
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Trace lines of EGR gas flow (position of EGR introduction port: 4.0 D)
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Schematic gas flow pattern (EGR gas introduced outside reverse flow region)
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Trace lines of EGR gas flow (position of EGR introduction port: 1.0 D)
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Schematic gas flow pattern (EGR introduced in reverse flow region)
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EGR gas introduction ports and gas flow pattern of lower side blow-type EGR system
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EGR rates with lower side blow-type EGR system
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Schematic diagram of spiral blow-type EGR system
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Trace lines of EGR gas flow with spiral blow-type EGR system
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Schematic diagram of conventional EGR system
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Influence of engine operating conditions on EGR distribution
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Influence of average EGR rate on EGR variance
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Schematic diagram of pulsation flow simulation method
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One-dimensional gas exchange calculation results
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Computational grid and boundary conditions
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Calculated results for EGR gas concentration distribution
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Calculation error of EGR rate compared with experimental data
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Section view of reverse flow region

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