Improvement of Performance of Dual Fuel Engine Operated at Part Load

Kapilan, N.; Babu, T.P. Ashok; Reddy, M. R. P.

doi:10.15282/ijame.2.2010.8.0016

Cited by 26 publications

(19 citation statements)

References 15 publications

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“…One of the main reasons is that soybean oil contains more than 55% of linoleic acid, which may cause a more viscous fuel when mixing 50% with fossil diesel [54]. The decrease of brake power and torque can be attributed to the biodiesel blends due to the lower energy content (Table 1) and higher viscosity [55]. For soybean biodiesel, 0.45%, 0.91%, 1.59%, 2.27% and 3.18% less torque was produced for the B5, B10, B15, B20 and B50 blends, respectively.…”

Section: Resultsmentioning

confidence: 99%

Comparative study of diesel engine performance and emission with soybean and waste oil biodiesel fuels

Azad¹,

Rasul²,

Giannangelo³

et al. 2015

Int. J. Automot. Mech. Eng.

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The study investigated the engine performance and emission using biodiesel from soybean oil and waste cooking oil. The fuel properties of these biodiesels were determined using ASTM D6751and EN 14214 standards. The fuels were tested in a multi-cylinder diesel engine with an electromagnetic dynamometer and a 5-gas analyser was used for emission analysis. The result shows that the thermal performance of the engine slightly decreases with increase of the biodiesel blends ratio (i.e. B5, B10, B15, B20 and B50). On the other hand, emission decreases with the increase of biodiesel blends. The reduction in emissions was different for both biodiesels. Waste oil biodiesel showed better trends of emissions reduction with increase of the biodiesel percentage compared with soybean biodiesel. The brake specific fuel consumption (BSFC) of both biodiesels is (6.05%, 9.13%, 12.36% and 18.57% for soybean) and (8.17%, 11.40%, 17.71% and 14.96% for waste cooking oil) higher than diesel, respectively. However, soybean biodiesel consumed less fuel and produced more power and torque compared to waste oil biodiesel. The study concluded that B10 soybean biodiesel blend produced more consistent and expected results than waste oil biodiesel from the performance and emission point of view.

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Section: Resultsmentioning

confidence: 99%

Comparative study of diesel engine performance and emission with soybean and waste oil biodiesel fuels

Azad¹,

Rasul²,

Giannangelo³

et al. 2015

Int. J. Automot. Mech. Eng.

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“…The mixture would not ignite automatically because the air/gas mixture auto-ignition temperature is high. Accordingly, a small amount of diesel fuel is suddenly infused and ignited at the end of the compression phase which boots the mixture combustion [3,4,10]. The main benefit of running the engine in dual-fuel mode is the use of two types of fuel, both of which are combustible.…”

Section: Introductionmentioning

confidence: 99%

Performance Study of Imitated Syngas in a Dual-Fuel Compression Ignition Diesel Engine

Mahgoub¹,

Sulaiman²,

Karim³

2015

Int. J. Automot. Mech. Eng.

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Operating engines fueled by syngas and diesel is an available renewable option to avert concerns related to the supply of petroleum and the environment. But the use of syngas in a compression ignition (CI) diesel engine leads to a reduction in the power output because of its lower heating value compared with the 100% diesel mode. Furthermore, it is not easy to evaluate the performance of real syngas due to the varying gas content when inducted into a CI diesel engine. In this study, a single-cylinder, two-stroke, naturally aspirated CI diesel engine was operated with imitated syngas as the primary fuel in dual-fuel mode. The objective of this study is to investigate the effect of syngas composition on the performance of a dual-fuel engine running at different engine speeds (1200, 2000, 3000 rpm). The impact of engine speed on the performance of syngas in the dual-fuel CI diesel engine was examined at various diesel replacement ratios (DR%). Composition C showed the best results for engine performance compared to other compositions.

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“…The dual-fuel with mixing process is one of these methods (Yusaf et al, 1996;Lin & Su, 2003;Selim, 2004;Kapilan, Ashok Babu, & Reddy, 2010). Some earlier researchers designed and studied the gas mixer to mix the fuel (Gourara et al, 2006;Noor, Wandel, & Yusaf, 2008;Ramasamy et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Effect of Compressed Natural Gas Mixing on the Engine Performance and Emissions

Yusaf¹,

Baker²,

Hamawand³

et al. 2013

Int J Automot Mech Eng

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Cleaner air quality is becoming a global concern, thus to improve the fuel and combustion process is vital. In this paper, computational fluid dynamics (CFD) analysis software CFD-ACE is used to investigate the flow behavior of methane and air in a compressed natural gas (CNG)-air mixer to be implemented in a CNG-diesel dual-fuel stationary engine. The effect of the number of mixer holes on the mixture quality was evaluated. The results of the 3D CFD simulation showed that the 8-hole Venturi mixer gave superior performance compared to the 4-hole mixer. Further analysis was carried out on the 8-hole Venturi mixer to investigate the effect of engine speed on the mass flow rate of CNG and the equivalence air to fuel ratio (1/). The second half of the paper presents comparative performance results between a single cylinder research compression ignition (CI) engine fueled with a CNG-diesel system and a conventional CI engine fueled by conventional diesel. The engine was equipped with the simulated 8-hole Venturi mixer. The result showed a significant reduction in exhaust gas emission components (NO x , CO and CO 2 ) from the CNG-diesel engine compared to the conventional diesel engine, i.e. the reduction rates were on average of 54%, 59% and 31% respectively. The average power output developed by the dual-fuel engine was 10% higher than the diesel over the power curve.

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Improvement of Performance of Dual Fuel Engine Operated at Part Load

Cited by 26 publications

References 15 publications

Comparative study of diesel engine performance and emission with soybean and waste oil biodiesel fuels

Comparative study of diesel engine performance and emission with soybean and waste oil biodiesel fuels

Performance Study of Imitated Syngas in a Dual-Fuel Compression Ignition Diesel Engine

Effect of Compressed Natural Gas Mixing on the Engine Performance and Emissions

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