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Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation

Compressed natural gas (CNG) is the most successful and widely used alternative fuel for vehicles in the market today. Petrol fuelled vehicles are fitted with natural gas vehicle (NGV) conversion kit to enable bi-fuel operation between CNG and petrol. This experimental approach is focused on the fue...

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Main Authors:	Mohsin, Rahmat, Yaacob, Zulkefli, Abdul Majid, Zulkifli, Ashraf, Shameed
Format:	Article
Language:	English
Published:	Penerbit UTM Press 2008
Subjects:	TD Environmental technology. Sanitary engineering
Online Access:	http://eprints.utm.my/id/eprint/6777/4/RahmatMohsin2008_InherentFuelConsumptionandExhaustEmission.pdf http://eprints.utm.my/id/eprint/6777/
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id	my.utm.6777
record_format	eprints
spelling	my.utm.67772017-10-11T01:23:37Z http://eprints.utm.my/id/eprint/6777/ Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation Mohsin, Rahmat Yaacob, Zulkefli Abdul Majid, Zulkifli Ashraf, Shameed TD Environmental technology. Sanitary engineering Compressed natural gas (CNG) is the most successful and widely used alternative fuel for vehicles in the market today. Petrol fuelled vehicles are fitted with natural gas vehicle (NGV) conversion kit to enable bi-fuel operation between CNG and petrol. This experimental approach is focused on the fuel consumption, exhaust emission and fuel cost between natural gas and petrol operations. The specially constructed test rig comprises of the bi-fuel fuel system employed in the 1500 cc 12 valves carburettor engine NGV taxis. The inherent fuel consumption and corresponding exhaust emission are acquired at different engine revolution per minute (rpm) during petrol and CNG operation separately. The engine rpm operating without load is varied from idle to more than 5000 rpm to acquire the fuel consumption and exhaust emission profile. These two acquired data are then used to calculate the engineâ€™s air fuel ratio. All three parameters acquired are used to conduct comparisons between petrol and natural gas operation. It is seen that the bi-fuel system operates with air fuel ratio ranging from 19 to 16.3 for petrol operation and ranges from 40 to 18.7 for natural gas operations. The emission during CNG operation clearly shows significant decrease in hydrocarbon (HC), carbon monoxide (CO), carbon dioxide (CO2) and nitrogen oxide (NOx) over the use of petrol. In terms of cost, the use of CNG provides savings exceeding 50% through all engine rpm compared to petrol non-loaded operations. Penerbit UTM Press 2008-06 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/6777/4/RahmatMohsin2008_InherentFuelConsumptionandExhaustEmission.pdf Mohsin, Rahmat and Yaacob, Zulkefli and Abdul Majid, Zulkifli and Ashraf, Shameed (2008) Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation. Jurnal Teknologi (48A). pp. 1-18. ISSN 0127-9696
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/
language	English
topic	TD Environmental technology. Sanitary engineering
spellingShingle	TD Environmental technology. Sanitary engineering Mohsin, Rahmat Yaacob, Zulkefli Abdul Majid, Zulkifli Ashraf, Shameed Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
description	Compressed natural gas (CNG) is the most successful and widely used alternative fuel for vehicles in the market today. Petrol fuelled vehicles are fitted with natural gas vehicle (NGV) conversion kit to enable bi-fuel operation between CNG and petrol. This experimental approach is focused on the fuel consumption, exhaust emission and fuel cost between natural gas and petrol operations. The specially constructed test rig comprises of the bi-fuel fuel system employed in the 1500 cc 12 valves carburettor engine NGV taxis. The inherent fuel consumption and corresponding exhaust emission are acquired at different engine revolution per minute (rpm) during petrol and CNG operation separately. The engine rpm operating without load is varied from idle to more than 5000 rpm to acquire the fuel consumption and exhaust emission profile. These two acquired data are then used to calculate the engineâ€™s air fuel ratio. All three parameters acquired are used to conduct comparisons between petrol and natural gas operation. It is seen that the bi-fuel system operates with air fuel ratio ranging from 19 to 16.3 for petrol operation and ranges from 40 to 18.7 for natural gas operations. The emission during CNG operation clearly shows significant decrease in hydrocarbon (HC), carbon monoxide (CO), carbon dioxide (CO2) and nitrogen oxide (NOx) over the use of petrol. In terms of cost, the use of CNG provides savings exceeding 50% through all engine rpm compared to petrol non-loaded operations.
format	Article
author	Mohsin, Rahmat Yaacob, Zulkefli Abdul Majid, Zulkifli Ashraf, Shameed
author_facet	Mohsin, Rahmat Yaacob, Zulkefli Abdul Majid, Zulkifli Ashraf, Shameed
author_sort	Mohsin, Rahmat
title	Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
title_short	Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
title_full	Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
title_fullStr	Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
title_full_unstemmed	Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
title_sort	inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation
publisher	Penerbit UTM Press
publishDate	2008
url	http://eprints.utm.my/id/eprint/6777/4/RahmatMohsin2008_InherentFuelConsumptionandExhaustEmission.pdf http://eprints.utm.my/id/eprint/6777/
_version_	1643644638043570176
score	13.211869

Inherent fuel consumption and exhaust emission of the cng-petrol bi-fuel engine based at non-loaded operation

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