Effective reduction of NOx emissions from diesel engine using split injections

Sindhu, Rakesh K.; Rao, G. Amba Prasad; Murthy, K. Madhu

doi:10.1016/j.aej.2017.06.009

Cited by 91 publications

(40 citation statements)

References 26 publications

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“…In order to comply with strict limits, manufacturers and maritime industry companies started to introduce various technological solutions. [17] They either focus on fuel, construction, or exhaust gases cleaning equipment. Some of those methods have a negative impact on performance causing for example higher specific fuel consumption or faster wear of elements.…”

Section: Methods Of Reduction Of Harmful Substancesmentioning

confidence: 99%

Comparison of Reduction Systems of Harmful Substances into the Atmosphere in Accordance to Requirements of IMO Tier III

Czmyr

Kamiński

2019

Journal of KONES

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Degradation of the environment is nowadays believed to be the most alarming problem that needs to be solved. Global warming and environmental pollution are predicted to cause a catastrophic chain reaction leading to species extinction, mass emigration due to rising sea levels and global crisis. The only solution suggested by international organizations is the immediate reduction of greenhouse gases and other harmful substances. Marine transportation harmful substances into the atmosphere are recognized to be a significant source of global atmospheric pollution. Despite the high efficiency of marine diesel engines, their impact on the environment is considerable. Due to environmentally friendly policies, modern engines concerns about not only efficiency but also mainly about s aspects. This article analyses and compares marine s exhaust gases reduction methods. Especially the most harmful substances emitted by ships were taken into consideration. The article presents the most crucial law regulations of harmful substances to the atmosphere, pointing at actual and possible future implementations. The most complex methods allowing meeting the latest limits were presented. Pros and cons of available control methods were thoroughly described and methods were compared. The most adequate methods form the effectiveness and economical point of view was pointed out.

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Section: Methods Of Reduction Of Harmful Substancesmentioning

confidence: 99%

Comparison of Reduction Systems of Harmful Substances into the Atmosphere in Accordance to Requirements of IMO Tier III

Czmyr

Kamiński

2019

Journal of KONES

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“…The results showed that the earlier the injection timing, the higher the maximum combustion temperature in the cylinder, which caused higher NOx emission; lower BSFC; and lower CO, HC, and soot emissions. Sindhu et al [71] studied reduction of NOx emissions from diesel engines using split injection. In that paper, different injection timings were chosen; with delayed injection, the temperature of the cylinder got higher, NOx emission increased, and soot decreased.…”

Section: Single Early Injectionmentioning

confidence: 99%

A Review of Early Injection Strategy in Premixed Combustion Engines

Liang

Zhang

et al. 2019

Applied Sciences

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Due to the increasing awareness of environmental protection, limitations on exhaust emissions of diesel engines have become increasingly stringent. This challenges diesel engine manufacturers to find a new balance between engine performance and emissions. Advanced combustion modes for diesel engines, such as homogeneous charge compression ignition (HCCI) and premixed charge compression ignition (PCCI), which can simultaneously reduce exhaust emissions and substantially improve thermal efficiency, have drawn increasing attention. In order to allow enough time to prepare the homogeneous mixture, the early injection strategy has been utilized widely in HCCI and PCCI diesel engines. This paper is aimed at providing a comprehensive review of the effects of early injection parameters on the performance and emissions of HCCI and PCCI engines fueled by both diesel and alternative fuels. Various early injection parameters, including injection pressure, injection timing, and injection angle, are discussed. In addition, the effect of the blending ratio of alternative fuels is also summarized. Every change in parameters has its own advantages and disadvantages, which are explained in detail in order to help researchers choose the best early injection parameters for HCCI and PCCI engines.

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“…studied the performance and emission characteristics of diesel and blended biodiesel and also reviewed what is the environmental and economic impact of biodiesel production. R. Sindhu et al [3] was investigated the effective reduction of NOx emissions from diesel engine by using split injections and EGR technique. This technique was being found to be effective towards a considerable reduction of NOx emission and also the split injections were noticed to be superior in controlling NOx emissions as compared to increasing EGR levels.…”

Section: MM Hasan Et Al [2]mentioning

confidence: 99%

Preheating Of Sunflower Blended Biodiesel for the Improvement of Performance Characteristics of a DI Diesel Engine under Various Loads

2019

ijeat

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Due to fast depletion of fuel and for the huge demand of various engine fuels in large sectors and power generation, thse biodiesel which is derived from biological wastes can be a substitute of pure diesel oil. Diesel engine has the benefits of low fuel consumption, high potency, smart economical and dynamic performance. However at the identical time, the diesel engine has high NOx and soot emissions. And these two sorts of emissions provides a trade-off relationship which can bring difficulties to satisfy the necessities of emission rules of NOx and soot. This particular paper primarily reviews regarding using of preheated bio-diesel that contains 20 percentage of pure sunflower oil (biological name-Helianthus annuus) and analyses its performance characteristics for selected blend with completely variable loads. Various experiments were carried out by employing a four stroke single cylinder, direct injection, water cooled diesel engine with suitable specifications. Helianthus oil is mixed with bio diesel for fast burning inside the engine cylinder and by doing so , the Cetane number is quite high that leads to the ignition delay shorter. Therefore the overall content is preheated somewhat in order to lift its temperature so as to boost the burning process. Incorporating to this , it reduces the various emissions such as NOx, CO and smoke capacity by 2% to 3%. Various parameters are required to outline the analysis of combustion and performance characteristics of the test fuel like brake thermal efficiency(BTE),basic specific fuel consumption(BSFC), basic specific energy consumption (BSEC),temperature of the exhaust gas and emissions like NOx, unburn hydrocarbons(HC), carbon monoxide(CO) and smoke were carried out in the specified engine

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Effective reduction of NOx emissions from diesel engine using split injections

Cited by 91 publications

References 26 publications

Comparison of Reduction Systems of Harmful Substances into the Atmosphere in Accordance to Requirements of IMO Tier III

Comparison of Reduction Systems of Harmful Substances into the Atmosphere in Accordance to Requirements of IMO Tier III

A Review of Early Injection Strategy in Premixed Combustion Engines

Preheating Of Sunflower Blended Biodiesel for the Improvement of Performance Characteristics of a DI Diesel Engine under Various Loads

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