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Keywords: natural gas
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Proceedings Papers

Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T03A013, October 16–19, 2022
Paper No: ICEF2022-91094
... variations in dual fuel combustion are analyzed, comparing diesel – natural gas (NG) and polyoxymethylene dimethyl ether (POMDME) – NG dual fuel combustion. Cyclic variability was initially quantified using the coefficient of variation (COV) of IMEPg computed from experimental cylinder pressure data...
Proceedings Papers

Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T03A012, October 16–19, 2022
Paper No: ICEF2022-90926
... Abstract Conventional dual-fuel combustion (DFC) has been studied for decades due to its ability to produce high fuel conversion efficiency and its potential to defeat the well-known diesel NOx-PM trade-off. In DFC, a low-reactivity fuel (LRF) such as natural gas is premixed with air...
Proceedings Papers

Proc. ASME. ICEF2022, ASME 2022 ICE Forward Conference, V001T03A002, October 16–19, 2022
Paper No: ICEF2022-88543
... the fundamental rovibrational absorption lines of carbon monoxide and nitric oxide near 5 μm in wavelength. The sensor module was integrated into a commercial EPA-certified natural gas spark-ignition generator operated at 3,300 rpm for measurements of exhaust pulse temperature, CO, and NO concentrations at a rate...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T01A004, November 4–6, 2020
Paper No: ICEF2020-2949
...ASSESSMENT OF HYDROGEN AND NATURAL GAS MIXTURES IN A LARGE BORE GAS ENGINE FOR POWER GENERATION Bernhard Fercher1, Prof. Andreas Wimmer Graz University of Technology Institute of Internal Combustion Engines and Thermodynamics Graz, Austria Jan Zelenka, Gernot Kammel LEC GmbH Graz, Austria Zita...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T03A012, November 4–6, 2020
Paper No: ICEF2020-2998
...HOMOGENEOUS IGNITION DELAY, FLAME PROPAGATION RATE AND END-GAS AUTOIGNITION FRACTION MEASUREMENTS OF NATURAL GAS AND EXHAUST GAS RECIRCULATION BLENDS IN A RAPID COMPRESSION MACHINE Jeffrey Mohr, Bret Windom, Daniel B. Olsen, Anthony J. Marchese Colorado State University, Fort Collins, CO ABSTRACT...
Proceedings Papers

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T03A005, October 20–23, 2019
Paper No: ICEF2019-7159
...Abstract Abstract Natural gas is known as a relatively clean fossil fuel due to its low carbon to hydrogen ratio compared to other transportation fuels, which yields a reduction of carbon monoxide, carbon dioxide, and unburned hydrocarbons emissions. However, it has a low cetane number, which...
Proceedings Papers

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T02A006, October 20–23, 2019
Paper No: ICEF2019-7169
...Abstract Abstract Exhaust gas recirculation (EGR) in spark-ignited engines is a key technique to reduce in-cylinder NOx production by decreasing the combustion temperature. The major species of the exhaust gas in rich combustion of natural gas are hydrogen and carbon monoxide, which can...
Proceedings Papers

Proc. ASME. ICEF2009, ASME 2009 Internal Combustion Engine Division Fall Technical Conference, 127-135, September 27–30, 2009
Paper No: ICEF2009-14084
... 08 07 2010 Homogenous Charge Compression Ignition (HCCI) combustion is a promising concept to reduce engine emissions and fuel consumption. In this paper, a thermo-kinetic model is developed to study the operating characteristics of a natural gas HCCI engine. The zero-dimensional...
Proceedings Papers

Proc. ASME. ICEF2005, ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005), 405-413, September 11–14, 2005
Paper No: ICEF2005-1307
... 19 11 2008 CFD Modeling of the injection, the mixing, the combustion and the emission formation processes in a high pressure direct injection (HPDI) natural gas engine is presented in this paper. KIVA3V was used together with an injector model. Two sub-models had been developed...