Effect of Exhaust Gas Recirculation on Performance and Emissions from an Advanced Injection Low Pilot Ignited Natural Gas Engine PDF Download
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Author: Yongli Qi
Publisher:
ISBN:
Category :
Languages : en
Pages : 254
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Author: Yongli Qi
Publisher:
ISBN:
Category :
Languages : en
Pages : 254
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Book Description
Author: Hongsheng Guo
Publisher: Frontiers Media SA
ISBN: 2889666212
Category : Technology & Engineering
Languages : en
Pages : 125
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Book Description
Author: Kalyan Kumar Srinivasan
Publisher: Springer
ISBN: 9811333076
Category : Technology & Engineering
Languages : en
Pages : 428
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Book Description
This book covers the various advanced reciprocating combustion engine technologies that utilize natural gas and alternative fuels for transportation and power generation applications. It is divided into three major sections consisting of both fundamental and applied technologies to identify (but not limited to) clean, high-efficiency opportunities with natural gas fueling that have been developed through experimental protocols, numerical and high-performance computational simulations, and zero-dimensional, multizone combustion simulations. Particular emphasis is placed on statutes to monitor fine particulate emissions from tailpipe of engines operating on natural gas and alternative fuels.
Author: Ghazi A. Karim
Publisher: CRC Press
ISBN: 1498703097
Category : Technology & Engineering
Languages : en
Pages : 312
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Book Description
Dual-Fuel Diesel Engines offers a detailed discussion of different types of dual-fuel diesel engines, the gaseous fuels they can use, and their operational practices. Reflecting cutting-edge advancements in this rapidly expanding field, this timely book:Explains the benefits and challenges associated with internal combustion, compression ignition,
Author: Mustaqim Mohamad
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 57
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Book Description
Direct injection (DI) diesel engine is well design today as a main power train solution for trucks and others relevant heavy duty vehicles. However, at the same time emission legislation, mainly for oxides of nitrogens (NOx) and particulate matter (PM) becomes more obvious, reducing their limit to extremely low values. One efficient method to control NOx in order to achieve the future emission limit are the rather high exhaust gas recirculation (EGR) rates accompanied by increased boost pressure to avoid the negative impact on soot emissions. EGR is one of the most effective means of reducing NOx emissions from compression ignition (CI) engines and is widely used in order to meet the emission standards. In the present work, experimental investigation has been carried out to make an analysis the NOx reduction characteristics and the effect to the engine performance by using exhaust gas recirculation between two different fueled engine using biodiesel (palm oil methyl ester B5) and light diesel. This experiment was carried out using a four-cylinder DI diesel engine Mitsubishi 4D68. The purpose of this experiment was conducted is to know the effect of EGR on diesel engine performance and the quantity of NOx emissions in diesel engine's exhaust. The performance of the diesel engine and the quantity of NOx emissions in exhaust gas with using EGR in this experiment will be compared with the performance of the engine and the quantity of NOx emissions in the exhaust gas which not using EGR during the experiment. The results obtained by experiments showing that the EGR has caused the engine performance decreased as compared with no use of EGR. EGR is the best solution for reduced the production of NOx in the exhaust.
Author: Patrick Glenn Szymkowicz
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 150
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Author: Nathan Jon Haugle
Publisher:
ISBN:
Category :
Languages : en
Pages : 356
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Abstract : Natural gas has been gaining popularity as an alternative fuel due to its high availability, low CO2 emissions, and low cost. In this experimental study, water injection's impact on medium and heavy-duty engine operation fueled by natural gas and pilot diesel injection for ignition was studied under stochiometric operation for use with a three-way catalytic converter to meet criteria emissions for off-road power generation. To retain high efficiencies, a high compression ratio of 17.3:1 was used. Maintaining stoichiometric operation with a high compression ratio leads to combustion knock, pre-ignition, and high NOx formation. Conventionally, cooled EGR can be used to reduce NOx, but results in increased soot and does not eliminate combustion knock and pre-ignition. As an alternative to EGR this work utilized port injected water to provide on demand charge cooling, successfully reducing both NOx and soot while enabling high-load operation. A combination of both high and low speeds and loads were tested to study the impact of water injection on the emissions and performance of the natural gas, diesel-pilot engine. Additionally, water injections impact on diesel only operation was tested to provide comparison metrics and aid in a better understanding of the mechanisms at work when injecting water in an internal combustion engine. At full load, 16.8 bar BMEP, it was found that a water to fuel ratio of 0.5:1 was sufficient to enabling the knock free operation without significant increase in combustion duration or instability where operating at this load without water resulted in pre-ignition. Increasing the water to fuel ratio to 1:1 enabled a 21 bar BMEP load. At 12.5 bar BMEP, the NOx emission was reduced from 13.5 g/kwh to 7.2 g/kwh with a water to fuel mass ratio of 1.5:1. In addition to solving the high NOx and pre-ignition problem, a water to fuel ratio of 2.5:1 at 16.8 bar BMEP also decreased the soot content in the exhaust by a factor of 3.5 with only a small penalty in efficiency, decreasing break thermal efficiency from 41 to 40%.
Author: Gabriele Di Blasio
Publisher: Springer Nature
ISBN: 9811687471
Category : Technology & Engineering
Languages : en
Pages : 247
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Book Description
This book provides an overview of clean fuels for sustainable mobility by highlighting on world energy outlook, technic-economic assessment, and the key aspects of the fuel production processes and their possible large impact on various transportation sector segments. The content initially deals with different types of alternative fuels, for example, ethanol, methanol, butanol, hydrogen, biogas, biodiesel, etc. It also focuses on current trends in the automotive sector. Various aspects of the clean fuels production process and formulation to improve the combustion characteristics and efficiency toward sustainability are considered. Some of the important fuels like hydrogen, ammonia, natural gas etc. are discussed in detail. This volume will be useful for the industrial and research community involved in fuels, combustion engines, and environmental research.
Author: Rachel A. Snow
Publisher:
ISBN:
Category :
Languages : en
Pages : 204
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Book Description
