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Nox Control in Heavy-Duty Diesel Engines - What is the Limit?
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Abstract
Methods to reduce direct injected diesel engine emissions in the combustion chamber will be discussed in this paper. The following NOx emission reduction technologies will be reviewed: charge air chilling, water injection, and exhaust gas recirculation (EGR). Emphasis will be placed on the development of an EGR system and the effect of EGR on NOx and particulates.
The lower limit of NOx that can be obtained using conventional diesel engine combustion will be discussed. Further reductions in NOx may require changing the combustion process from a diffusion flame to a homogeneous charge combustion system.
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Dickey, D., Ryan, T., and Matheaus, A., "Nox Control in Heavy-Duty Diesel Engines - What is the Limit?," SAE Technical Paper 980174, 1998, https://doi.org/10.4271/980174.Also In
References
- Dodge, Lee G. Leone, Douglas M. Naegeli, David W. Dickey, Daniel W. Swenson, Kendall R. “A PC-Based Model for Predicting NO x Reductions in Diesel Engines,” SAE Paper No. 962060
- Tullis, S. Greeves, G. “Improving NO x Versus BSFC with EUI 200 Using EGR and Pilot Injection for Heavy-Duty Diesel Engines,” SAE Paper No, 960843
- Tow, T.C. Pierpont, D.A. Reitz, R.D. “Reducing Particulate and NOx Emissions by Using Multiple Injections in a Heavy-Duty D.I. Diesel Engine,” SAE Paper No. 940897
- Dickey, Daniel Evan, G. “Two-Way, High Pressure Loop, Exhaust Gas Recirculation Valve,” April 1998
- Gray, Allen W.(Bill) III Ryan, Thomas W. “Homogeneous Charge Compression Ignition (HCCI) of Diesel Fuel,” SAE Paper No. 971676
- Dickey, Daniel, W. “Method to Reduce Emissions Using Dual Combustion Mode Diesel Engine,” June 9 1997