Effect of injection pressure, injection timing and nozzle geometry on performance and emission characteristics of diesel engine operated with thevetia peruviana biodiesel

Deokar, A.J.; Harari, P.A.

doi:10.1016/j.matpr.2021.05.198

Cited by 11 publications

(5 citation statements)

References 8 publications

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“…Among considered injectors, 8-hole type exhibits higher NOx emissions compared to others with constant injection parameters. This can be due to reduced impingement of fuel on walls [22], improved combustion with more fuel involvement in uncontrolled combustion phase, which leads to the increment in HRR and cylinder pressure. Compared to diesel, BDFs exhibited lower NOx emissions due to their cetane number (CN) and higher viscosity, resulting in inadequate fuel atomization.…”

Section: Nox Emissionsmentioning

confidence: 99%

“…Furthermore, Box-Behnken based approach was used for predicting the optimal parameters for the engine operation. Deokar and Harari [22] studied the effect of IT, IOP, and NG on the emission and performance characteristics of modified diesel engine powered with thevetia peruviana methyl ester (TPME) as biodiesel. At IP of 230 bar, NG of 5-hole, and an IT of 26 • , BTD improved engine performance with lower emissions observed.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends

et al. 2021

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Environmentally friendly, renewable, and green fuels have many benefits over fossil fuels, particularly regarding energy efficiency, in addition to addressing environmental and socioeconomic problems. As a result, green fuels can be used in transportation and power generating applications. Furthermore, being green can ably address the emission-related issues of global warming. In view of the advantages of renewable fuels, two B20 fuel blends obtained from methyl esters of cashew nutshell (CHNOB), jackfruit seed (JACKFSNOB), and jamun seed oils (JAMSOB) were selected to evaluate the performance of a common rail direct injection (CRDI) engine. Compatibility of the nozzle geometry (NG) and combustion chamber shape (CCS) were optimized for increased engine performance. The optimized CCS matched with an increased number of injector nozzle holes in NG showed reasonably improved brake thermal efficiency (BTE), reduced emissions of smoke, HC, and CO, respectively, while NOx increased. Further combustion parameters, such as ignition delay (ID) and combustion duration (CD) reduced, while peak pressure (PP) and heat release rates (HRR) increased at the optimized injection parameters. The CRDI engine powered with JAMSOB B20 showed an increase in BTE of 4–5%, while a significant reduction in HC and CO emissions was obtained compared to JACKFSNOB B20 and CHNOB B20, with increased NOx.

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Section: Nox Emissionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends

et al. 2021

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“…Hydrogen has a higher calorific value per kilogram compared to gasoline or diesel, as shown in various studies [6][7][8][9]. Several researchers have examined the performance of compression-ignition (CI) engines when fueled with different biodiesels [10][11][12][13][14][15][16][17]. The concept of dual-fuel (DF) engines has been explored by several investigators, involving the use of gaseous fuels with a small amount of pilot fuel to initiate combustion [18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Effect of Injection Timing on the Dual Fuel Engine Performance Operated with Hydrogen and Nano-Biodiesel Blends

Muralidhara Doddadasenahalli Munivenkaeshappa,

Udaya Ravi Mannar,

Nagaraj Ramalingayya Banapurmath

et al. 2024

ARFMTS

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In the current work, effect of nano-biodiesel blends and injection timing on the performance of hydrogen fueled dual fuel (DF) engine is presented. Hydrogen flow rate is maintained constant with a flow rate of 0.15 kg/h. For this B20 and nano-blends of Nigella sativa oil methyl ester (NLSTVAOME) and Jack fruit seed oil methyl ester (JKFSOME) fuel combinations are used. Nano-blends of respective B20 biodiesels are prepared using graphene amine (GA) nanoparticles with varied proportions ranging from 60 to 100 ppm using probe sonication method. Stabilization of the nano-blends are ensured with reference to quantity of nanoparticle, surfactant SDS (Sodium Dodecyl Sulfate) used and sonication time. Addition of the nanoparticles in the B20 biodiesel blends till 80 ppm showed considerable improvements on the performance of diesel engine with single fuel operation due to improved combustion compared to B20 biodiesel blends. Beyond 80 ppm the performance deteriorated due to non-homogeneous mixtures of nano-biodiesel blends. Injection timing (IT) for the modified DF engine IT is varied from 19 to 31oBTDC in steps of 4oBTDC. Further advancing the IT from 19 to 27oBTDC showed improved dual fuel engine performance with B20+GA80 blends of both biodiesels along with hydrogen induction when compared to B20 operation. Further mixing of air-hydrogen in the inlet manifold of dual fuel engine is studied using CFD analysis for varied hydrogen flow rates ranging from 0.10 to 0.2 kg/h in steps of 0.05 kg/h.

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“…There are also many studies on the application of biodiesel abroad, such as factors affecting NO X emissions and emission reduction measures [29], as well as the effect of ethanol-diesel-biodiesel mixed fuel on combustion and emissions in premixed low-temperature combustion [30]. The structure and fuel injection parameters of the diesel engine also affect its combustion and emission characteristics [31][32][33][34][35][36][37]. Wang et al [38] studied the modeling and optimization of a light-duty diesel engine at high altitude with a support vector machine and a genetic algorithm.…”

Section: Introductionmentioning

confidence: 99%

Effects of Plateau Environment on Combustion and Emission Characteristics of a Plateau High-Pressure Common-Rail Diesel Engine with Different Blending Ratios of Biodiesel

2022

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Taking a plateau high-pressure common-rail diesel engine as the research model, a model was established and simulated by AVL FIRE according to the structural parameters of a diesel engine. The combustion and emission characteristics of D, B20, and B50 diesel engines were simulated in the plateau atmospheric environment at 0 m, 1000 m, and 2000 m. The calculation results show that as the altitude increased, the peak in-cylinder pressure and the cumulative heat release of diesel decreased with different blending ratios. When the altitude increased by 1000 m, the cumulative heat release was reduced by about 5%. Furthermore, the emission trend of NO, soot, and CO was to first increase and then decrease. As the altitude increased, the mass fraction of NO emission decreased. As the altitude increased, the mass fractions of soot and CO increased. Additionally, when the altitude was 0 m and 1000 m, the maximum temperature, the mass fraction of OH, and the fuel–air ratio of B20 were higher and more uniform. When the altitude was 2000 m, the maximum temperature, the mass fraction of OH, and the fuel–air ratio of B50 were higher and more uniform. Lastly, as the altitude increased, the maximum combustion temperature of D and B20 decreased, and combustion became more uneven. As the altitude increased, the maximum combustion temperature of B50 increased, and the combustion became more uniform. As the altitude increased, the fuel–air ratio and the mass fractions of OH and NO decreased. When the altitude increased, the soot concentration increased, and the distribution area was larger.

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Effect of injection pressure, injection timing and nozzle geometry on performance and emission characteristics of diesel engine operated with thevetia peruviana biodiesel

Cited by 11 publications

References 8 publications

Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends

Influence of Combustion Chamber Shapes and Nozzle Geometry on Performance, Emission, and Combustion Characteristics of CRDI Engine Powered with Biodiesel Blends

Effect of Injection Timing on the Dual Fuel Engine Performance Operated with Hydrogen and Nano-Biodiesel Blends

Effects of Plateau Environment on Combustion and Emission Characteristics of a Plateau High-Pressure Common-Rail Diesel Engine with Different Blending Ratios of Biodiesel

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