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Advancements of combustion technologies in the ammonia-fuelled engines

The worldwide decarbonisation movement has turned ammonia into one of the attractive alternative fuel for power generation. This paper reviews the progress of ammonia combustion technologies in spark ignition engine, compression ignition engine, and gas turbine. Relevant publications from prominent...

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Main Authors:	Chiong, M. C., Chong, C. T., Ng, J. H., Mashruk, S., Woei, W. F. C., Samiran, N. A., Mong, G. R., Medina, A. V.
Format:	Article
Published:	Elsevier Ltd. 2021
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/94279/ http://dx.doi.org/10.1016/j.enconman.2021.114460
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id	my.utm.94279
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spelling	my.utm.942792022-03-31T14:45:08Z http://eprints.utm.my/id/eprint/94279/ Advancements of combustion technologies in the ammonia-fuelled engines Chiong, M. C. Chong, C. T. Ng, J. H. Mashruk, S. Woei, W. F. C. Samiran, N. A. Mong, G. R. Medina, A. V. TJ Mechanical engineering and machinery The worldwide decarbonisation movement has turned ammonia into one of the attractive alternative fuel for power generation. This paper reviews the progress of ammonia combustion technologies in spark ignition engine, compression ignition engine, and gas turbine. Relevant publications from prominent academic journals were acquired from credible scholarly databases and analysed. Ammonia dissociation and separate hydrogen supply were typically employed to deliver hydrogen to enhance ammonia reaction in the spark ignition engine. To achieve satisfactory engine performances with thermal efficiency of around 30%, a hydrogen mass fraction of roughly 10% is required for the ammonia/hydrogen engine. Engine parameters optimisation may be needed to increase hydrogen mass fraction further. Aqueous ammonia elevates heat release rate of full load compression ignition engine by almost 10%. However, prolonged ignition delay could potentially lead to higher engine noise levels. Multiple fuel injection optimisation is seemingly a more promising solution for improving ammonia compression ignition engine performances. In recent years, partial premixed combustion has gained considerable interest in hydrogen/ammonia gas turbine combustion research. This is mainly due to its ability to operate at equivalence ratio as low as 0.4, and in the slight fuel-rich regime. For operation at equivalence ratio 1.05, the nitric oxide concentration was decreased by a factor of approximately 5.9 when compared with that of stoichiometric condition. In all, ammonia offers a practical opportunity for sustainable power generation via internal combustion engines and gas turbine. Ground-breaking combustion technologies are crucial to boost the adoption of ammonia in these engines. Elsevier Ltd. 2021-09 Article PeerReviewed Chiong, M. C. and Chong, C. T. and Ng, J. H. and Mashruk, S. and Woei, W. F. C. and Samiran, N. A. and Mong, G. R. and Medina, A. V. (2021) Advancements of combustion technologies in the ammonia-fuelled engines. Energy Conversion and Management, 244 . ISSN 0196-8904 http://dx.doi.org/10.1016/j.enconman.2021.114460 DOI: 10.1016/j.enconman.2021.114460
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Chiong, M. C. Chong, C. T. Ng, J. H. Mashruk, S. Woei, W. F. C. Samiran, N. A. Mong, G. R. Medina, A. V. Advancements of combustion technologies in the ammonia-fuelled engines
description	The worldwide decarbonisation movement has turned ammonia into one of the attractive alternative fuel for power generation. This paper reviews the progress of ammonia combustion technologies in spark ignition engine, compression ignition engine, and gas turbine. Relevant publications from prominent academic journals were acquired from credible scholarly databases and analysed. Ammonia dissociation and separate hydrogen supply were typically employed to deliver hydrogen to enhance ammonia reaction in the spark ignition engine. To achieve satisfactory engine performances with thermal efficiency of around 30%, a hydrogen mass fraction of roughly 10% is required for the ammonia/hydrogen engine. Engine parameters optimisation may be needed to increase hydrogen mass fraction further. Aqueous ammonia elevates heat release rate of full load compression ignition engine by almost 10%. However, prolonged ignition delay could potentially lead to higher engine noise levels. Multiple fuel injection optimisation is seemingly a more promising solution for improving ammonia compression ignition engine performances. In recent years, partial premixed combustion has gained considerable interest in hydrogen/ammonia gas turbine combustion research. This is mainly due to its ability to operate at equivalence ratio as low as 0.4, and in the slight fuel-rich regime. For operation at equivalence ratio 1.05, the nitric oxide concentration was decreased by a factor of approximately 5.9 when compared with that of stoichiometric condition. In all, ammonia offers a practical opportunity for sustainable power generation via internal combustion engines and gas turbine. Ground-breaking combustion technologies are crucial to boost the adoption of ammonia in these engines.
format	Article
author	Chiong, M. C. Chong, C. T. Ng, J. H. Mashruk, S. Woei, W. F. C. Samiran, N. A. Mong, G. R. Medina, A. V.
author_facet	Chiong, M. C. Chong, C. T. Ng, J. H. Mashruk, S. Woei, W. F. C. Samiran, N. A. Mong, G. R. Medina, A. V.
author_sort	Chiong, M. C.
title	Advancements of combustion technologies in the ammonia-fuelled engines
title_short	Advancements of combustion technologies in the ammonia-fuelled engines
title_full	Advancements of combustion technologies in the ammonia-fuelled engines
title_fullStr	Advancements of combustion technologies in the ammonia-fuelled engines
title_full_unstemmed	Advancements of combustion technologies in the ammonia-fuelled engines
title_sort	advancements of combustion technologies in the ammonia-fuelled engines
publisher	Elsevier Ltd.
publishDate	2021
url	http://eprints.utm.my/id/eprint/94279/ http://dx.doi.org/10.1016/j.enconman.2021.114460
_version_	1729703149548077056
score	13.211869

Advancements of combustion technologies in the ammonia-fuelled engines

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