Book ChapterDOI
Carburetion and Port Fuel Injection Metering Strategies for Natural Gas Spark-Ignited Engine
Jim Alexander,E. Porpatham +1 more
- pp 411-419
TLDR
In this paper, the effects of carburetion and port fuel injection (PFI) metering techniques were experimented on a naturally aspirated twin-cylinder spark-ignited (SI) engine fuelled with compressed natural gas (CNG).Abstract:
The effects of carburetion and port fuel injection (PFI) metering techniques were experimented on naturally aspirated twin-cylinder spark-ignited (SI) engine fuelled with compressed natural gas (CNG). It was operated under full throttle condition at varying speeds ranging from 920 to 3400 rpm for the compression ratio 11.5:1. The performance, emission and combustion parameters were assessed and compared. The carburetion was set at 0.9 bar, while the PFI was set to 5 bar working pressure. A dedicated electronic control unit (ECU) was used for controlling the engine parameters. Comparing with carburetion, the PFI produced maximum brake thermal efficiency of 27.2% at 1800 rpm. Due to the increased volumetric efficiency performance of PFI system, there was notable reduction in hydrocarbon (HC) as well as carbon monoxide (CO) emissions in comparison with carburetion. There was a noticeable increase in nitric oxide (NO) emission as a result of complete combustion. The enhanced combustion process with PFI has improved peak pressure with reduced cyclic variations. On a whole, PFI system had excelled carburetion system towards better mixture formation.read more
References
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Journal ArticleDOI
Natural-gas fueled spark-ignition (SI) and compression-ignition (CI) engine performance and emissions
TL;DR: In this article, a dual-fuel engine with high-cetane fuel and natural gas injection is used to provide a source of ignition for the charge of a spark-ignition (SI) engine.
Journal ArticleDOI
Alternative fuels for internal combustion engines
Choongsik Bae,Jaeheun Kim +1 more
TL;DR: In this article, a review of potential alternative fuels for automotive engine application for both spark ignition (SI) and compression ignition (CI) engines is presented, which includes applications of alternative fuels in advanced combustion research applications.
Journal ArticleDOI
Assessment of simulated biogas as a fuel for the spark ignition engine
Jingdang Huang,R.J. Crookes +1 more
TL;DR: In this paper, a variable compression ratio Ricardo E6 single-cylinder spark-ignition engine operating on simulated biogas formed from different mixtures of domestic natural gas and carbon dioxide was tested.
Journal ArticleDOI
Effect of compression ratio on the performance and combustion of a biogas fuelled spark ignition engine
TL;DR: In this paper, a single cylinder diesel engine was modified to operate as a biogas operated spark ignition engine and the performance, emission and combustion characteristics with different compression ratios are compared.
Journal ArticleDOI
S.I. engine fuelled with gasoline, methane and methane/hydrogen blends: Heat release and loss analysis
TL;DR: In this article, the performance of different fuels used in a internal combustion engine: gasoline, methane and fuel blends containing methane with 5, 10% and 15% hydrogen by volume, respectively, was investigated.