Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine

Biogas has increasingly been used as an alternative to fossil fuels in the world due to a number of factors, including the availability of raw materials, extensive resources, relatively cheap production and sufficient energy efficiency in internal combustion engines. Tightening environmental and ren...

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Autores principales:	Donatas Kriaučiūnas, Tadas Žvirblis, Kristina Kilikevičienė, Artūras Kilikevičius, Jonas Matijošius, Alfredas Rimkus, Darius Vainorius
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	biogas SI engine combustion process correlation analysis Technology T
Acceso en línea:	https://doaj.org/article/95e0d15a49054af6af7166bfa8462cd7
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spelling	oai:doaj.org-article:95e0d15a49054af6af7166bfa8462cd72021-11-11T15:51:19ZImpact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine10.3390/en142170371996-1073https://doaj.org/article/95e0d15a49054af6af7166bfa8462cd72021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7037https://doaj.org/toc/1996-1073Biogas has increasingly been used as an alternative to fossil fuels in the world due to a number of factors, including the availability of raw materials, extensive resources, relatively cheap production and sufficient energy efficiency in internal combustion engines. Tightening environmental and renewable energy requirements create excellent prospects for biogas (BG) as a fuel. A study was conducted on a 1.6-L spark ignition (SI) engine (HR16DE), testing simulated biogas with different methane and carbon dioxide contents (100CH<sub>4</sub>, 80CH<sub>4</sub>_20CO<sub>2</sub>, 60CH<sub>4</sub>_40CO<sub>2</sub>, and 50CH<sub>4</sub>_50CO<sub>2</sub>) as fuel. The rate of heat release (ROHR) was calculated for each fuel. Vibration acceleration time, sound pressure and spectrum characteristics were also analyzed. The results of the study revealed which vibration of the engine correlates with combustion intensity, which is directly related to the main measure of engine energy efficiency—break thermal efficiency (BTE). Increasing vibrations have a negative correlation with carbon monoxide (CO) and hydrocarbon (HC) emissions, but a positive correlation with nitrogen oxide (NO<sub>x</sub>) emissions. Sound pressure also relates to the combustion process, but, in contrast to vibration, had a negative correlation with BTE and NO<sub>x</sub>, and a positive correlation with emissions of incomplete combustion products (CO, HC).Donatas KriaučiūnasTadas ŽvirblisKristina KilikevičienėArtūras KilikevičiusJonas MatijošiusAlfredas RimkusDarius VainoriusMDPI AGarticlebiogasSI enginecombustion processcorrelation analysisTechnologyTENEnergies, Vol 14, Iss 7037, p 7037 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biogas SI engine combustion process correlation analysis Technology T
spellingShingle	biogas SI engine combustion process correlation analysis Technology T Donatas Kriaučiūnas Tadas Žvirblis Kristina Kilikevičienė Artūras Kilikevičius Jonas Matijošius Alfredas Rimkus Darius Vainorius Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine
description	Biogas has increasingly been used as an alternative to fossil fuels in the world due to a number of factors, including the availability of raw materials, extensive resources, relatively cheap production and sufficient energy efficiency in internal combustion engines. Tightening environmental and renewable energy requirements create excellent prospects for biogas (BG) as a fuel. A study was conducted on a 1.6-L spark ignition (SI) engine (HR16DE), testing simulated biogas with different methane and carbon dioxide contents (100CH<sub>4</sub>, 80CH<sub>4</sub>_20CO<sub>2</sub>, 60CH<sub>4</sub>_40CO<sub>2</sub>, and 50CH<sub>4</sub>_50CO<sub>2</sub>) as fuel. The rate of heat release (ROHR) was calculated for each fuel. Vibration acceleration time, sound pressure and spectrum characteristics were also analyzed. The results of the study revealed which vibration of the engine correlates with combustion intensity, which is directly related to the main measure of engine energy efficiency—break thermal efficiency (BTE). Increasing vibrations have a negative correlation with carbon monoxide (CO) and hydrocarbon (HC) emissions, but a positive correlation with nitrogen oxide (NO<sub>x</sub>) emissions. Sound pressure also relates to the combustion process, but, in contrast to vibration, had a negative correlation with BTE and NO<sub>x</sub>, and a positive correlation with emissions of incomplete combustion products (CO, HC).
format	article
author	Donatas Kriaučiūnas Tadas Žvirblis Kristina Kilikevičienė Artūras Kilikevičius Jonas Matijošius Alfredas Rimkus Darius Vainorius
author_facet	Donatas Kriaučiūnas Tadas Žvirblis Kristina Kilikevičienė Artūras Kilikevičius Jonas Matijošius Alfredas Rimkus Darius Vainorius
author_sort	Donatas Kriaučiūnas
title	Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine
title_short	Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine
title_full	Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine
title_fullStr	Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine
title_full_unstemmed	Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine
title_sort	impact of simulated biogas compositions (ch<sub>4</sub> and co<sub>2</sub>) on vibration, sound pressure and performance of a spark ignition engine
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/95e0d15a49054af6af7166bfa8462cd7
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Impact of Simulated Biogas Compositions (CH<sub>4</sub> and CO<sub>2</sub>) on Vibration, Sound Pressure and Performance of a Spark Ignition Engine

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