Effects of Biodiesel and Engine Load on Some Emission Characteristics of a Direct Injection Diesel Engine

Shirneshan, Alireza; Almassi, Morteza; Ghobadian, Barat; Borghei, Ali Mohammad; Najafi, G.

doi:10.12944/cwe.7.2.03

Cited by 22 publications

(17 citation statements)

References 25 publications

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“…The threats of pollution due to the use of conventional and nonconventional fuels are becoming evident (Conti and Holtberg 2011). It is found that biofuels including biodiesels are more eco-friendly than petro-diesel (Shirneshan et al 2012;An et al 2012;Shirneshan 2013). Only the NO x emission from the combustion of biodiesels has been reported to be more than that of petro-diesel (Xue et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Fuel properties and emission characteristics of biodiesel produced from unused algae grown in India

Karmakar

Kundu²,

Rajor

2017

Pet. Sci.

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The high price of different biodiesels and the need for many of their raw ingredients as food materials are the main constraints to be overcome when seeking the best potential alternative fuels to petro-diesel. Apart from that, some properties like high density, viscosity and acid value along with low cloud and pour points preclude their use in compression ignition (CI) engines as these properties can cause serious damage to the parts of the engine and reduce engine life. In this experiment, biodiesel was produced from the oil of unused algae by a two-step 'acid esterification followed by transesterification' procedure. Taguchi's method was applied to design the experiment, and a L25 orthogonal array was prepared to optimize the biodiesel production procedure. The optimized conditions for transesterification were: methanol to oil molar ratio of 6:1, catalyst (KOH) concentration of 2.5 wt%, reaction time of 90 min and reaction temperature of 50°C, achieving a biodiesel production of 89.7% with free fatty acid content of 0.25%. It was found that the CI engine emitted less CO, CO 2 and hydrocarbon and higher NO x using algal biodiesel than that using petro-diesel. All properties of the algal biodiesel were within the limit of ASTM standards.

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Section: Introductionmentioning

confidence: 99%

Fuel properties and emission characteristics of biodiesel produced from unused algae grown in India

Karmakar

Kundu²,

Rajor

2017

Pet. Sci.

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“…Shirneshan ve diğ., NOx konsantrasyonunun motor yükündeki artışla arttığını göstermiştir. Biyodizel karışımlı yakıt, test edilen tüm motor yüklerinde dizelden daha yüksek NOx göstermiştir ve bu eğilim daha fazla yüklerde daha belirgin olmuştur (Shirneshan, Almassi, Ghobadian, Borghei, & Najafi, 2012). Raheman ve diğ., NOx konsantrasyonlarının motor yükündeki artışla arttığını belirtmişlerdir.…”

Section: Biyodizelunclassified

Sustainable Road Transport: Alternative Fuels, Electrical Vehicles and Environmental Effects

2019

JSTR

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Transportation sector enables the transfer of goods and services that forms the basis of the economy and the work of people. It supports global productivity and is a key for economic growth. On the other hand, transportation is largely based on fossil fuels and generates greenhouse gas emissions. Moreover, it releases other pollutants and creates local air pollution. Although the air pollutant emissions of road transport of Turkey have decreased over the years due to new emission standards, greenhouse gas emisions of the same sector in Turkey have been sharply increased. Therefore, there is an urgent necessity of focusing on sustainable transport strategies to reduce emissions from transportation sector. The sustainability of the road transportation depends on alternative fuels and electric vehicles. Alternative fuels like biodiesel and bioethanol have already been used in motor vehicles for many years. Using alternative fuels reduce the release of air pollutant emissions except nitrogen oxides. However, alternative fuel production generally depends on local farming and not common every part of the world. Electric vehicles are a hope for road transport sustainability. Hybrid electric cars consume less fossil fuel and full electric cars run on only by electricity. If electricity comes from an alternative energy source, transportation by electric vehicles will be much more sustainable since it does not produce any greenhouse gas or air pollutants. This paper briefly discusses motor vehicle air pollution problem and gives some information about Turkish road transport sector emissions. Furthermore, it reviews sustainable road transport options mainly by focusing on alternative fuels and electric vehicles. Also, there exist some suggestions for policy makers about the sustainability of transportation sector.

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“…Regarding gas emissions, the wide majority of the literature mentions significant reductions in emissions of CO2, CO, SOx and PM, depending on the concentration of biodiesel in fossil fuels, due to a more efficient combustion as recorded in practice. [9,13,15,17]. Regarding the NO emissions most if the undertaken researches have reported that the usage of biodiesel as main fuel for the engines, leads to an emissions of NO increment in ratio with the diesel fed engines due to the increased injection leading (as ignition and combustion are earlier initiated in the burning cycle), determined by the superior physical properties of the biodiesel compared to the diesel in regard of its viscosity, density , and oxygen content [9,12,17].…”

Section: Figure 1 Trans-etherification Process That Affects the Engimentioning

confidence: 99%

The Managerial Benefits and Limitations of Biodiesel Usage in Maritime Transportation

COSOFRET¹

2016

SBNA

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The global economy development has not only positive effects but also negative consequences, in terms of air pollution with a major impact against the climate change and human health. This fact stimulated the intensification of research endeavours to identify and develop new options for sustainable energy supply and further for reducing the dependence on fossil fuels, as considered the major air pollutants globally. Among the non-polluting fuels, the currently biodiesel second generation becomes a viable solution in order to develop an alternative sustainable source of fueling. Even if this type of fuel has been implemented and approved as viable for land and air transportation meanings, the maritime transportation sector is still reluctant in implementing this new fuel on board to commercial vessels. In this article were approached the major advantages of using biodiesel powered engines, being detailed the technical, operational and legal solutions to eliminate the current reserve in adopting this innovative cleaner fuel on maritime transportation practice.

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Effects of Biodiesel and Engine Load on Some Emission Characteristics of a Direct Injection Diesel Engine

Cited by 22 publications

References 25 publications

Fuel properties and emission characteristics of biodiesel produced from unused algae grown in India

Fuel properties and emission characteristics of biodiesel produced from unused algae grown in India

Sustainable Road Transport: Alternative Fuels, Electrical Vehicles and Environmental Effects

The Managerial Benefits and Limitations of Biodiesel Usage in Maritime Transportation

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