... Abstract Hydrogen addition in ammonia is one attractive solution to manage all operating conditions of future ammonia engine. But even if ammonia is strongly resistive to auto-ignition, the presence of hydrogen can as a function of the thermodynamic conditions related to the compression ration...

... fuels. Gaseous hydrogen fuel has garnered a great deal of recent interest in the engine community given it has zero carbon, but hydrogen is not available at the scale and cost that petroleum fuels are currently available, and this is a barrier to adoption for industries that are looking to decarbonize...

... for hydrogen (H 2 ) flames. Blends of H 2 and methane (CH 4 ) have great potential to be used as low-carbon fuels, though they face several challenges associated with combustion behavior, material compatibility, and distribution infrastructure. Multiple equivalence ratios (Φ = 0.7, 0.77, and 1.0) and blends...

... Abstract As a carbon-free hydrogen carrier, ammonia is easy to store, handle and distribute compared to hydrogen itself. Switching from diesel to green ammonia in heavy-duty compression ignition engines dominating the power generation of freight transportation industry has the potential...

... Abstract Hydrogen (H 2 ), as a carbon-free fuel, is considered as one of the most promising solutions to reduce the carbon footprint of hard-to-decarbonize energy and transportation sectors. As such, hydrogen-fueled internal combustion engines (H 2 ICEs) have recently been receiving increasing...

... Abstract Green hydrogen, with its potential to significantly reduce transportation CO2 emissions, emerges as a promising solution to combat human-induced climate change. However, challenges such as flame instability and pre-ignition pose significant obstacles to its integration into internal...

... of the abundant number of traditional engine architectures available (and corresponding manufacturing supply chains) to meet both power requirements and decreased emissions requirements. Gaseous fuels of this type include green hydrogen and renewable methane, both of which exhibit characteristics that make them...

...Proceedings of the ASME 2023 ICE Forward Conference ICEF2023 October 8-11, 2023, Pittsburgh, Pennsylvania ICEF2023-109103 EFFECTS OF HYDROGEN ON COMBUSTION IN AMMONIA DIESEL DUAL FUEL ENGINE AND DEMONSTRATION OF AUTOTHERMAL CATALYST TO REFORM AMMONIA INTO HYDROGEN Yoichi Niki National Maritime...

...Proceedings of the ASME 2023 ICE Forward Conference ICEF2023 October 8-11, 2023, Pittsburgh, Pennsylvania ICEF2023-110538 COMBUSTION PERFORMANCE AND EMISSIONS CHARACTERIZATION OF METHANE-HYDROGEN BLENDS (UP TO 50% BY VOL.) IN A SPARK-IGNITED CFR ENGINE Jason Loprete1,2, Rodrigo Ristow Hadlich1,2...

...Proceedings of the ASME 2023 ICE Forward Conference ICEF2023 October 8-11, 2023, Pittsburgh, Pennsylvania ICEF2023-109918 INVESTIGATION OF THE LAMINAR BURNING VELOCITY AND EXHAUST CHARACTERISTICS OF METHANE-AMMONIA-HYDROGEN TERNARY BLENDS Md Nayer Nasim1 Behlol Nawaz1, Shubhra Kanti Das1, Joshua...

...Proceedings of the ASME 2023 ICE Forward Conference ICEF2023 October 8-11, 2023, Pittsburgh, Pennsylvania ICEF2023-110157 CELLULAR INSTABILITIES IN SPHERICALLY EXPANDING HYDROGEN-OXYGEN-CARBON DIOXIDE FLAMES Behlol Nawaz1 Md Nayer Nasim1, Shubhra Kanti Das1, J. Hunter Mack1 1University...

...Proceedings of the ASME 2023 ICE Forward Conference ICEF2023 October 8-11, 2023, Pittsburgh, Pennsylvania ICEF2023-110098 HYDROGEN INTERNAL COMBUSTION ENGINE COMPONENT INVESTIGATION AND DEVELOPMENT FOR HEAVY DUTY TRUCK APPLICATIONS Jason Bieneman1, Fabio Mendes de Araujo1, Nikhil Nachappa...

... Abstract Hydrogen (H 2 ) appears as a fundamental alternative to conventional fuels to lead the decarbonization of the transportation sector based on internal combustion engine propulsion. Being well assumed that neat H 2 combustion demands the analysis of the exhaust aftertreatment systems...

... to both compressed hydrogen and batteries for long term energy storage. Combustion of pure ammonia in spark-ignited engines is challenged by low laminar flame speeds and high required ignition energy. Partially converting ammonia to hydrogen and nitrogen through local decomposition is a practical method...

... here has potential for integration with real-time control systems to enable adaptive optimization of polyfuel internal combustion engines to meet the need for flexible, low-carbon, on-demand energy conversion. IC engines emissions natural gas ammonia hydrogen intra-cycle high-speed sensor...

... Abstract Ammonia and Hydrogen are attractive alternative fuels for a zero-carbon combustion solution that can rapidly decarbonize the transportation industry. Understanding the chemical behavior and combustion characteristics of these fuels individually, as well as blended together, is pivotal...

... Abstract Now more than ever there is a growing global interest to reduce greenhouse gas (GHG) emissions originating from internal combustion engines. One approach consists in the use of hydrogen instead of fossil fuels. Large bore gas engines for power generation are often fueled by gases...

... The effects of hydrogen addition, diluent addition, injection pressure, chamber pressure, chamber temperature and turbulence intensity on methane–air partially premixed turbulent combustion have been studied experimentally using a constant volume combustion chamber (CVCC). The fuel–air mixture...

... 1 Copyright © 2013 by ASME REDUCTION OF GHGs EMISSIONS IN A BIODIESEL FUELED DIESEL ENGINE USING HYDROGEN K. A. Subramanian and Venkateswarlu Chintala Engines and Unconventional Fuels Laboratory, Centre for Energy Studies, IIT Delhi, New Delhi 110 016, India. Phone: 011-26591247, Fax: 011...

... 06 02 2012 The effects of post injection on the combustion efficiency, exhaust emissions, and in-cylinder hydrogen generation were experimentally investigated in a modern heavy duty diesel engine. As the post injection was moved away from top dead center (TDC), the test results...