Spray flame structure of rapeseed biodiesel and Jet-A1 fuel

Chong, Cheng Tung; Hochgreb, Simone

doi:10.1016/j.fuel.2013.07.059

Cited by 60 publications

(31 citation statements)

References 16 publications

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Section: Introductionmentioning

confidence: 99%

“…Investigation led on different engines with different combustion systems and an effective power and speed of rotation shows that bio component additive in diesel fuel influences on engine effective powers causing 5 ÷ 15% diminish of rotational speed in all range, and significant, ca. 15%, increase of fuel consumption [1,4,5,9,14].Fuel which consists of RME has a little bit different characteristics then hydrocarbons fuels. It depends on different composition, because in molecule structure apart from a carbon and a hydrogen there is a quite big dose of an oxygen (ca.12%).…”

mentioning

confidence: 99%

“…0,5°CSR. It is caused by increasing of injection pressure [5,8,11]. Fuel injection pressure increase causes better spraying of fuel, the increase of fuel string range and improve homogeneity of air /fuel mixture.…”

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confidence: 99%

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Influence of the F-34 unified battlefield fuel with bio components on usable parameters of the IC engine

Karczewski¹,

Szczech²

2016

EiN

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Article citation info: (*) Tekst artykułu w polskiej wersji językowej dostępny w elektronicznym wydaniu kwartalnika na stronie www.ein.org.pl IntroductionLiquid fuels are the most important source of energy on modern battlefield. Availability of fuels decides about mobility of the army, effectiveness of weapons or other support equipment and delivery of needed amount of supplies. Realisation of increasing requirements of fighting troops in fuels or lubrication oils is one of the most important problems of logistic supplying of a battlefield. It is calculated, that mean use of fuel and lubrication oil may reach 30 kg per one soldier per day [4,11]. The delivery of such a big quantity of supplies to the army, in terms of enemy interaction on communication systems and supplying infrastructure is an enormous sophisticated problem. It is why there is a trend to standardize all sorts of fuels in the army. For instance NATO introduced F-34 unified fuel for battlefield. As the effect it was decided to unify fuels for reciprocating and turbine internal combustion engines used in land vehicles and on land operating planes. Fuels known as F-34/35 were introduced. It has the same base components as plane fuel JP8 (JET-A1). It's final quality is the effect of using additive components added to the base fuel before final distribution of fuel to a vehicle's tank.Nowadays the F-34/35 fuel is taken as unified battlefield fuel for all diesel engines of NATO nations. At the end of 20th century the F-34 fuel was taken under investigation, which focused mainly about elder generation engines completed with in-line and rotation injection pumps [2], without engines with high pressure Common rail systems. From the time of introduction that fuel the injection equipment has changed. In-line injection pumps with plungers and barrels injection units are used very rarely. Common Rail and unit injection systems are used instead. In that system injection pressure reaches 140 ÷ 200 MPa. It has a significant change on fuel quantity during injection [7,8,10,13,14]. Terms condition of fuel before injection to combustion chamber are changed relevantly, and temperature is much higher in comparison to classical in-line injection pump.The Common Rail systems are commonly used in engines of cars, low duty and heavy duty trucks, locomotives and vessels as well as combat vehicles, for instance the MTU engines of MT 880 series. In these engines in-line pumps used in earlier version were replaced by CR systems. That systems are widely used in heavy duty trucks, which are in possession of Polish Army (MAN, IVECO).Using raw F-34 fuel to fuel engine equipped with Common Rail system may cause serious change of work parameters. Own investigation of the G9T engine equipped with CR fuelling system led in Military University of Technology [10,11] shows important diminish of KArczewsKi M, szczęch L. influence of the F-34 unified battlefield fuel with bio components on usable parameters of the ic engine. eksploatacja i Niezawodnosc -Maintenance and reliability 2016;...

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

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Influence of the F-34 unified battlefield fuel with bio components on usable parameters of the IC engine

Karczewski¹,

Szczech²

2016

EiN

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“…The petroleum-based JP-8 fuel is very similar in specifications to the commercially available Jet A-1 fuel [11]. The Jet-A1 fuel is a light distillate of complex hydrocarbons such as 50-65% paraffins, 10-20% aromatics, and 20-30% naphthenes [12]. The test results of an optically-accessible, single cylinder, diesel engine showed that the spray length of JP-8 fuel was 16% shorter, but its cone angle was 15.9°wider compared with diesel fuel at the injection pressure of 30 MPa [13].…”

Section: Introductionmentioning

confidence: 99%

Combustion phenomenon, performance and emissions of a diesel engine with aviation turbine JP-8 fuel and rapeseed biodiesel blends

Labeckas

Slavinskas

2015

Energy Conversion and Management

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“…Figures 1 and 2 show the plot of kinematic viscosities and density of the fuel as a function of fuel temperature. The results revealed that kinematic viscosity and density value decrease rapidly up to temperature 80 o C with increase in temperature of biodiesel blends [13,14]. During the experiment, biodiesel blends were maintained at higher temperature than diesel for neglecting the effects of temperature on the spray behaviour for different injection pressure.…”

Section: Fuel Propertiesmentioning

confidence: 99%

Experimental Investigations on Combustion Characteristics of Jatropha biodiesel (JME) and its Diesel Blends for Tubular Combustor Application

Sk¹,

Deshp²,

Sb³

2016

Adv Automob Eng

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Scarcity of fossil fuels and their negative impact on environment drive the research in the field of alternative fuels. Biodiesel is one such promising alternative fuel that is used in automobile, gas turbine, boiler and other furnace applications. In the present study, combustion characteristics of biodiesel (Jatropha methyl ester) and its diesel blends in gas turbine like combustor have been studied experimentally. An airblast atomizer along with axial swirler (swirler no. 0.76) is employed to investigate the combustion characteristics. During the experiment, heat rate (24 kW), Air to liquid ratio (ALR=2) and air temperature (600K) was kept constant. For different equivalence ratio, spray and flame characterization, flame temperature, combustion efficiency and emission parameters such as carbon dioxide (CO 2 ), Carbon monoxide (CO), Nitrogen oxide (NO x ) and unburned hydrocarbon (UHC) were determined. It is found that the flame temperature increases with increase in JME percentage in diesel whereas and major pollutants such as CO, CO 2 and UHC emissions decrease but the NOx emissions increases. The obtained results indicate that the biodiesel can be promising fuel for gas turbine power plants instead of fossil fuels.

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Spray flame structure of rapeseed biodiesel and Jet-A1 fuel

Cited by 60 publications

References 16 publications

Influence of the F-34 unified battlefield fuel with bio components on usable parameters of the IC engine

Influence of the F-34 unified battlefield fuel with bio components on usable parameters of the IC engine

Combustion phenomenon, performance and emissions of a diesel engine with aviation turbine JP-8 fuel and rapeseed biodiesel blends

Experimental Investigations on Combustion Characteristics of Jatropha biodiesel (JME) and its Diesel Blends for Tubular Combustor Application

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