Characterization of High Efficiency Octane-On-Demand Fuels Requirement in a Modern Spark Ignition Engine with Dual Injection System

2015 ◽  
Author(s):  
Yoann Viollet ◽  
Marwan Abdullah ◽  
Abdullah Alhajhouje ◽  
Junseok Chang
Keyword(s):  
High Efficiency ◽  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Injection System ◽  
On Demand ◽  
Dual Injection

scholarly journals Numerical study on the effects of intake charge on oxy-fuel combustion in a dual-injection spark ignition engine at economical oxygen-fuel ratios

2021 ◽  
pp. 146808742110222
Author(s):  
Xiang Li ◽  
Yiqiang Pei ◽  
Zhijun Peng ◽  
Tahmina Ajmal ◽  
Khaqan-Jim Rana ◽  
...  
Keyword(s):  
Combustion Engine ◽  
Numerical Study ◽  
Carbon Capture And Storage ◽  
Spark Ignition ◽  
Fuel Combustion ◽  
Spark Ignition Engine ◽  
Gasoline Direct Injection ◽  
Brake Mean Effective Pressure ◽  
Dual Injection ◽  
Injection Strategies

In order to decrease Carbon Dioxide (CO2) emissions, Oxy-Fuel Combustion (OFC) technology with Carbon Capture and Storage (CCS) is being developed in Internal Combustion Engine (ICE). In this article, a numerical study about the effects of intake charge on OFC was conducted in a dual-injection. Spark Ignition (SI) engine, with Gasoline Direct Injection (GDI), Port Fuel Injection (PFI) and P-G (50% PFI and 50% GDI) three injection strategies. The results show that under OFC with fixed Oxygen Mass Fraction (OMF) and intake temperature, the maximum Brake Mean Effective Pressure (BMEP) is each 5.671, 5.649 and 5.646 bar for GDI, P-G and PFI strategy, which leads to a considerable decrease compared to Conventional Air Combustion (CAC). [Formula: see text], [Formula: see text] and [Formula: see text] of PFI are the lowest among three injection strategies. With intake temperature increases from 298 to 378 K, the reduction of BMEP can be up to 12.68%, 12.92% and 12.75% for GDI, P-G and PFI, respectively. Meantime, there is an increase of about 3% in Brake Specific Fuel Consumption (BSFC) and Brake Specific Oxygen Consumption (BSOC). Increasing OMF can improve the performance of BMEP and BSFC, and the trend is more apparent under GDI strategy. Besides, an increasing tendency can be observed for cylinder pressure and in-cylinder temperature under all injection strategies with the increase of OMF.

Characterization of an in-cylinder flow structure in a high-tumble spark ignition engine

2004 ◽  
Vol 5 (5) ◽  
pp. 375-400 ◽  
Author(s):  
Y Li ◽  
H Zhao ◽  
B Leach ◽  
T Ma ◽  
N Ladommatos
Keyword(s):  
Flow Structure ◽  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Cylinder Flow

scholarly journals MODELLING CHARACTERISTICS OF SPARK IGNITION ENGINE INJECTION SYSTEM

2017 ◽  
Vol 11 (2) ◽  
pp. 103-117 ◽  
Author(s):  
Mieczysław Dziubiński ◽  
Grzegorz Litak ◽  
Artur Drozd ◽  
Piotr Żukowicz
Keyword(s):  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Injection System

scholarly journals A 4-stroke spark-ignition engine fuelled with low quality gas

2017 ◽  
Vol 168 (1) ◽  
pp. 122-124
Author(s):  
Marek BRZEŻAŃSKI ◽  
Michał MARECZEK ◽  
Marek SUTKOWSKI ◽  
Wojciech SMUGA
Keyword(s):  
Power Generation ◽  
Power Systems ◽  
High Efficiency ◽  
High Reliability ◽  
Calorific Value ◽  
Spark Ignition ◽  
Spark Ignition Engine ◽  
University Of Technology ◽  
Product Gas ◽  
Methane Number

Huge amount of by-products is still considered as waste and is simply disposed, for example by-product gas is usually flared. Political and social pressure to reduce air pollution and national needs for energy security make these waste fuels interesting for near-future power generation. Unfortunately most of these waste fuels, even when liquefied or gasified, have very low quality and can hardly be used in high-efficiency power systems. Among main challenges are low calorific value and composition fluctuation. Additionally very often there is a high content of sulphur, siloxanes, tars, etc., which have to be removed from the fuel. Modern 4-stroke gas engines designed for power generation applications provide very high efficiency, high reliability and availability. Unfortunately, these gas engines require high quality fuel with stable composition. Horus-Energia together with Cracow University of Technology developed a novel gas supply system HE-MUZG that can adapt to current gas quality and change engine settings accordingly.This article will present results from the HE-MUZG system tests on modern 4-stroke spark-ignition gas engine. Tests focus on low quality gas, such as gas with low calorific value, gas with very low methane number and gas with very big variations of calorific value. Test results compared with performance of that engine in the original configuration show huge improvements. Moreover the HE- MUZG system is easy to implement in commercial gensets.

Research on the performance of a hydrogen/methanol dual-injection assisted spark-ignition engine using late-injection strategy for methanol

Fuel ◽  
2020 ◽  
Vol 260 ◽  
pp. 116403 ◽  
Author(s):  
Changming Gong ◽  
Zhaohui Li ◽  
lin Yi ◽  
Kuo Huang ◽  
Fenghua Liu
Keyword(s):  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Injection Strategy ◽  
Dual Injection
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