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Mohamed Toema
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Proceedings Papers

Overcoming Turbocharger Limitations for Low BMEP Two-Stroke Large Bore Gas Engines: A Technical Analysis and Case Study

Mohamed Toema, Paul Watts, Hans Mathews, Greg Beshouri
Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T01A008, October 20–23, 2019
Paper No: ICEF2019-7280
DOI: https://doi.org/10.1115/ICEF2019-7280
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Topics: Air pollution control, Gas engines, Turbochargers
Proceedings Papers

Modeling of Lambda Sensor Output With Exhaust Gas Mixtures From Natural Gas-Fueled Engines

Mohamed Toema, Kirby S. Chapman
Proc. ASME. ICEF2011, ASME 2011 Internal Combustion Engine Division Fall Technical Conference, 711-726, October 2–5, 2011
Paper No: ICEF2011-60188
DOI: https://doi.org/10.1115/ICEF2011-60188
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Topics: Engines, Exhaust systems, Modeling, Sensors, Air pollution control, Electrodes, Emissions, Methane, Platinum, Signals
Proceedings Papers

Interpreting the Lambda Sensor Output Signal to Control Emissions From Natural Gas Fueled Engines

Mohamed Toema, Kirby S. Chapman
Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 563-575, September 12–15, 2010
Paper No: ICEF2010-35164
DOI: https://doi.org/10.1115/ICEF2010-35164
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Topics: Emissions, Engines, Natural gas, Sensors, Signals, Exhaust systems, Modeling, Air pollution control, Nitrogen oxides, Catalysts
Proceedings Papers

Variations in Long-Term Emissions Data From NSCR-Equipped Natural Gas-Fueled Engine

Sarah Nuss-Warren, Mohamed Toema, Kirby S. Chapman
Proc. ASME. ICES2009, ASME 2009 Internal Combustion Engine Division Spring Technical Conference, 421-430, May 3–6, 2009
Paper No: ICES2009-76159
DOI: https://doi.org/10.1115/ICES2009-76159
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Topics: Emissions, Engines
Proceedings Papers

Mapping Study to Characterize NSCR Performance on a Natural Gas-Fueled Engine

Mohamed Toema, Sarah Nuss-Warren, Kirby S. Chapman, James McCarthy, Thomas McGrath
Proc. ASME. ICES2009, ASME 2009 Internal Combustion Engine Division Spring Technical Conference, 411-419, May 3–6, 2009
Paper No: ICES2009-76120
DOI: https://doi.org/10.1115/ICES2009-76120
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Topics: Emissions, Engines, Fourier transform infrared spectroscopy, Nitrogen oxides, Carbon, Cycles, Fuels, Machinery, Natural gas, Nitrogen