Numerical study of engine performance and emissions for port injection of ammonia into a gasoline\ethanol dual-fuel spark ignition engine

Salek, F, Babaie, M ORCID: https://orcid.org/0000-0002-8480-940X, Shakeri, A, Hosseini, SV, Bodisco, T and Zare, A 2021, 'Numerical study of engine performance and emissions for port injection of ammonia into a gasoline\ethanol dual-fuel spark ignition engine' , Applied Sciences, 11 (4) , p. 1441.

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Abstract

This study aims to investigate the effect of the port injection of ammonia on performance, knock and NOx emission across a range of engine speeds in a gasoline/ethanol dual-fuel engine. An experimentally validated numerical model of a naturally aspirated spark-ignition (SI) engine was developed in AVL BOOST for the purpose of this investigation. The vibe two zone combustion model, which is widely used for the mathematical modeling of spark-ignition engines is employed for the numerical analysis of the combustion process. A significant reduction of ~50% in NOx emissions was observed across the engine speed range. However, the port injection of ammonia imposed some negative impacts on engine equivalent BSFC, CO and HC emissions, increasing these parameters by 3%, 30% and 21%, respectively, at the 10% ammonia injection ratio. Additionally, the minimum octane number of primary fuel required to prevent knock was reduced by up to 3.6% by adding ammonia between 5 and 10%. All in all, the injection of ammonia inside a bio-fueled engine could make it robust and produce less NOx, while having some undesirable effects on BSFC, CO and HC emissions.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Applied Sciences
Publisher: MDPI
ISSN: 2076-3417
Related URLs:
Depositing User: Dr Meisam Babaie
Date Deposited: 08 Feb 2021 10:10
Last Modified: 08 Feb 2021 10:15
URI: http://usir.salford.ac.uk/id/eprint/59536

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