Performance of a compression ignition engine four strokes four cylinders on dual fuel (diesel–LPG)

Nugroho, Agung; Sinaga, Nazaruddin; Haryanto, Ismoyo

doi:10.1063/1.5054570

Cited by 6 publications

(4 citation statements)

References 11 publications

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“…Data Analysis The fuel mixed with coconut shell oil was tested on a diesel engine using the following parameters and equations [11]:…”

Section: 3mentioning

confidence: 99%

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2022

Jurnal Polimesin

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Biodiesel is one of the efforts to reduce dependence on fuel oil developed as an environmentally friendly alternative fuel in Indonesia. The addition of coconut shell oil will change the biodiesel properties and engine performance. This study aims to determine the physical properties and performance of fuel in diesel engines due to the addition of coconut shell oil. Several methods were applied to test the physical properties of biodiesel, namely: viscosity, density, cetane number, and calorific value. Meanwhile, the parameters for engine performance testing include torque, power, and specific fuel consumption. Biodiesels used were CS-20 and CS-40 for physical properties tests, and CS-10, CS-15, and CS-20 for engine performance tests. The results found that CS-20 had density of 842 kg/m 3 , kinematic viscosity of 3.958 mm 2 /s, cetane number of 62.4, flash point of 305.06°C, and heating value of 43,681.72 kJ/kg. For CS-40, the density was 867 kg/m3, the kinematic viscosity was 1.773 mm 2 , and the calorific value was 43,390.74 kJ/kg. Based on the results of the diesel engine performance test, the highest torque value was 31.487 Nm on Dexlite at 967 rpm rotation with a mass of 9.51 kg, while the highest power was 4.021 kW on Dexlite at 1752 rpm rotation and torque of 21.919 Nm. The best specific fuel consumption on Dexlite at 3563 rpm rotation used 0.527 liters/kWh. In conclusion, the addition of coconut shell oil to Dexlite reduces energy as the calorific value decreases. Furthermore, it is proven that due to the addition of coconut shell oil, the engine performance is decreasing.

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“…Data Analysis The fuel mixed with coconut shell oil was tested on a diesel engine using the following parameters and equations [11]:…”

Section: 3mentioning

confidence: 99%

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2022

Jurnal Polimesin

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“…1 Diesel engines, however, emit more emissions to the atmosphere such as CO 2 , CO, NO x , particulates, HC, and other unstable compounds which are responsible for global warming. 2 One of the most promising alternative fuels that can fight the two issues (energy depletion and restricted emission regulations) is the use of biodiesel. [3][4][5] Different authors' contributions highlighted the importance of using biodiesel derived from several feedstocks and its impact on the engine characteristics including (combustion, performance, and emission parameters).…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of the effect of LPG blending on the characteristics of a diesel engine

2021

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The present work aims to investigate numerically the effect of LPG blending on the characteristics of diesel engines subjected to variable compression ratio, injection timing, and engine speed. Three blends of LPG are used, which are 10% LPG + 90% diesel, 20% LPG + 80% diesel, and 30% LPG + 70% diesel. The numerical investigation is carried out using the simulation software Diesel-RK. Increasing the percentage of LPG in diesel starts combustion early where the lowest delay period is recorded for a blend of 30% LPG + 70% diesel 6.36 deg. The combustion pressure and heat release are decreased due to the difference in the heating values of blended fuels. Although the peak energy release for diesel is 0.05458 (1/deg.) at 375 deg. BTDC, it was 0.0542, 0.05424, and 0.0537 (1/deg.) at 375 deg. BTDC for 10%, 20%, 30% LPG, respectively. Diesel with 30% LPG has a higher spray penetration followed by 20% LPG then 10% LPG and diesel come last. The diesel with 10% LPG gives a 5.35% reduction in NOx, while diesel with 20% and 30% LPG emit less NOx emission by 9.05% and 16.5%, respectively. Increasing the percentage of LPG in diesel yields to reduce soot concentration because LPG has lower carbon to hydrogen ratio. The lowest ability to emit smoke is detected for fuel with 30% LPG where a 7.4% reduction is obtained.

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“…It also observed improvement in effective efficiency and specific fuel consumption. Nugroho et al [11] In this study was dual fuel used in C223 diesel engine as LPG as secondary fuel. The experiments were carried out at different engine speeds and different LPG concentrations (35%, 45% and 75%).…”

Section: Introductionmentioning

confidence: 99%

Effects of Partial Rcci Application of LPG on Performance, Combustion and Exhaust Emissions in a Diesel Engine Powered Generator

Aydın¹,

Aydın²

2021

European Journal of Technic

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In this study, engine performance, combustion and emissions of a diesel engine used for driving an electrical generator was investigated with LPG fumigation into the manifold of the engine as secondary fuel. Tests were carried out in 4 cylinders, 4 strokes water-cooled and direct-injection diesel engine generator. According to the test results; cylinder pressure, average gas temperature and peak values of heat release rate were increased as amount of LPG was increased. However, brake specific fuel consumption and mass fuel consumption were higher as well. Generally, with LPG addition, CO and HC emissions were found higher. Up to 40% LPG addition, CO2 emissions were lowered and over 40% LPG addition, CO2 emission increased. With increasing LPG ratio, there was a decrease in NOx emission values. On the other hand, generally, as LPG content was increased, O2 emissions were decreased significantly. Generally, the LPG usage of certain levels were found to be possible as secondary fuel in diesel engines. However, its usage in the engine up to certain levels resulted in considerable negative changes in performance, combustion and emissions changes. Over 55% LPG fumigation resulted in quite high flame velocity and propagation which eventually resulted in the accelerated cylinder pressure for per crank angle. This condition may be accepted as the starting of the knock. Therefore, only certain low amounts of LPG usage as secondary nonreactive fuel in diesel engine were found to be possible.

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Performance of a compression ignition engine four strokes four cylinders on dual fuel (diesel–LPG)

Cited by 6 publications

References 11 publications

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Numerical simulation of the effect of LPG blending on the characteristics of a diesel engine

Effects of Partial Rcci Application of LPG on Performance, Combustion and Exhaust Emissions in a Diesel Engine Powered Generator

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