Topic: Engines: Spark Ignition

Article

Ammonia combustion engines: latest research

By on September 09, 2021
The journey from the laboratory bench to the shop floor continues apace in 2021, as researchers deepen their understanding of ammonia combustion within engines. The team at Université d’Orléans has published several pieces of research already this year, with interesting results on operating limits, spray characteristics and flame propagation.

Article

The Ammonia Wrap: no major obstacles for NoGAPS success and more

By on June 08, 2021
Welcome to the Ammonia Wrap: a summary of all the latest announcements, news items and publications about ammonia energy. This week: latest report from NoGAPS, Viking Energy project takes another step, more collaborations for Yara, thyssenkrupp to invest in cracking R&D, investment in clean hydrogen technology in the USA, world-first visualisation of ammonia combustion in a spark-ignition engine and our numbers of the week.

Paper

The Role of “Green” Ammonia in Decarbonising Energy Systems: Practical Demonstration and Economic Considerations

By on November 1, 2017
Ammonia has the potential to contribute significantly to the decarbonisation of energy systems, by offering a practical, carbon-free hydrogen storage and transportation vector as well as a green fuel in its own right. To better understand the prospects and challenges surrounding the use of ammonia in energy systems, Siemens is leading a collaborative project to build and test an ammonia-based energy storage system at the Rutherford Appleton Laboratory in the UK. Together with its project partners (the UK Science and Technology Facilities Council, the University of Oxford and the University of Cardiff), and supported by Innovate UK, Siemens will demonstrate…

Paper

Characteristics of a Spark Ignition Engine Using Direct Ammonia Injection

By and on September 23, 2013
The effects of direct injection of gaseous ammonia on the combustion characteristics and exhaust emissions of a spark-ignition engine were investigated. Port-injection gasoline was used to enhance the burning of ammonia that was directly injected into the engine cylinder. Appropriate direct injection strategies were developed to allow ammonia to be used in spark-ignition engines without sacrifice of volumetric efficiency. Experimental results show that with gasoline providing the baseline power, total engine power increased as the injection timing of ammonia was advanced and the injection duration was increased. Engine performance with use of gasoline-ammonia was compared to that with gasoline alone.…

Article

The AmVeh – an ammonia fueled car from South Korea

By on May 20, 2013
South Korean researchers have successfully road-tested a dual fuel passenger car that runs on a mixture of ammonia and gasoline. It is called the AmVeh and was developed by members of the Ammonia Research Group at the Korean Institute for Energy Research. The prototype vehicle uses a fuel ratio of 70% ammonia to 30% gasoline to power a spark ignition engine. As ammonia contains no carbon, this fuel ratio results in a corresponding 70% reduction in carbon dioxide emissions, compared to pure gasoline. The AmVeh team is now focused on improving the fuel system and the exhaust after-treatment system. Once these are optimized, they aim to develop an engine system that runs on ammonia alone, without any support from gasoline.
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