A review on low temperature combustion engines: Performance, combustion and emission characteristics

Krishnamoorthi, M.; Malayalamurthi, R.; He, Zhixia; Kandasamy, Sabariswaran

doi:10.1016/j.rser.2019.109404

Cited by 207 publications

(69 citation statements)

References 264 publications

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“…The reactivity gradient depends upon the fuel spray penetration and the entrainment of direct-injected fuel with injection strategies like early, late injection or multiple injections. 10 To control the fuel reactivity, RCCI combustion uses the technique of in-cylinder blending of two fuels with different auto-ignition characteristics, injected at planned intervals for obtaining the desired combustion phasing 4,11 . The progressive combustion in RCCI reduces the high rate of pressure rise and ringing intensity, which help in achieving a wider range of engine operations.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on the effects of multiple injections and EGR on n-pentanol–biodiesel fuelled RCCI engine

2020

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Section: Introductionmentioning

confidence: 99%

Experimental investigation on the effects of multiple injections and EGR on n-pentanol–biodiesel fuelled RCCI engine

2020

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“…In recent years, researches have focused on low-temperature combustion (LTC), which is an emerging technology and has demonstrated the potential to enable engines to meet the forthcoming stricter emissions legislation. Concomitantly, it may provide higher engine operational efficiencies than conventional combustion modes, and it is possible to run with flexible fuels (Srivastava et al, 2018;Krishnamoorthi et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, it approximates a constant volume combustion and achieves relatively higher thermal efficiency (Agarwal, Singh and Maurya, 2017). Moreover, HCCI engines has the potential to reduce the NOX formation, since the maximum in-cylinder temperature in HCCI engines is lower than in SI and CI engines, which decreases NOx formation (Martins et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Preliminary Study of Water Injection on the Combustion and Emissions Characteristics in a Hcci Ethanol Engine

Telli

Zulian

Stefanello

et al. 2020

RETERM

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Our dependence on fossil fuels coupled with concerns about harmful emissions have motivated researchers to look for renewable fuels that have clean combustion and for advanced combustion modes. In this context, homogeneous charge compression ignition (HCCI) is an emerging technology which offers an alternative to conventional spark ignition and compression ignition engines and can operate on renewable fuels. Low temperature combustion, which can result in low NOx emissions with high indicated efficiency, is the more important characteristic of this combustion mode. It’s main problem is the combustion timing control due to lack of direct ignition control, once HCCI flame initiation is based on charge thermal state. Thus, controlled auto-ignition (CAI) combustion mode has been proposed. Several methods were proposed for combustion phasing control, between them, the injection of water in the intake manifold. This work investigated the influence of water injection in the intake runner of an ethanol HCCI cylinder from a converted three-cylinder diesel generator set, in which two cylinders operated on conventional diesel combustion and one diesel cylinder provided recycled exhaust gas for the one cylinder running on ethanol HCCI combustion. The water injection was used to control the CA50 combustion parameter. The results show that water injection is an efficient strategy to control the combustion timing, since the reactivity of the mixture can be controlled. The results at 400 and 600 kPa of IMEP and 1800 rpm indicated a good combustion stability, high efficiency and low emissions characteristics. The highest indicated fuel conversion efficiency found was 36.9% for 600 kPa of IMEP and 8 CAD of CA50. However, for 200 kPa of IMEP the combustion was unstable, the indicated efficiency was deteriorated and indicted CO emissions was high.

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“…However, NOx emissions can be reduced in some cases and be increased depending on the engine operating conditions ,. Especially, DEE is a suitable fuel for diesel engines due to it is a cetane improver besides an oxygenated fuel . Therefore, this review study is devoted to use of DEE in diesel engines as fuel or fuel additive in various diesel engine fuels.…”

Section: Introductionmentioning

confidence: 99%

A Review Study on the Using of Diethyl Ether in Diesel Engines: Effects on Fuel Properties and Engine Performance

Sezer

2018

Energy Tech

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This study was compiled from the results of various researches performed on using diethyl ether as a fuel or fuel additive in diesel engines. Three different techniques are used the reduction of the harmful exhaust emissions of diesel engines. The first technique for the reduction of harmful emissions is improved the combustion by modification of engine design and fuel injection system, but this process is expensive and time consuming. The second technique is the using various exhaust gas devices like catalytic converter and diesel particulate filter. However, the use of these devices affects negatively diesel engine performance. The final technique to reduce emissions and also improve diesel engine performance is the use of various alternative fuels or fuel additives. The major pollutants of diesel engines are oxides of nitrogen (NOx) and particulate matter (PM). It is very difficult to reduce NOx and PM simultaneously in practice. The most researches declare that the best way to reduce is the use of various alternative fuels i. e. natural gas, biogas, biodiesel or using the additives with alternative fuels or conventional diesel fuel. Therefore, it is very important that the results of various studies on alternative fuels or fuel additives are evaluated together to practice applications. Especially, this study focus on the use diethyl ether in diesel engines as fuel or fuel additive in various diesel engine fuels. This review study investigates the effects of diethyl ether addition on the fuel properties and performance characteristics.

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A review on low temperature combustion engines: Performance, combustion and emission characteristics

Cited by 207 publications

References 264 publications

Experimental investigation on the effects of multiple injections and EGR on n-pentanol–biodiesel fuelled RCCI engine

Experimental investigation on the effects of multiple injections and EGR on n-pentanol–biodiesel fuelled RCCI engine

Preliminary Study of Water Injection on the Combustion and Emissions Characteristics in a Hcci Ethanol Engine

A Review Study on the Using of Diethyl Ether in Diesel Engines: Effects on Fuel Properties and Engine Performance

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