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Journal articles on the topic 'Fuel injection timing angle'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Lu, Yingying, and Wanhua Su. "Effects of the injection parameters on the premixed charge compression ignition combustion and the emissions in a heavy-duty diesel engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 231, no. 7 (2017): 915–26. http://dx.doi.org/10.1177/0954407017701023.

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Numerous combustion strategies have been suggested for compression ignition engines in order to meet the stringent emission regulations with minimal sacrifice in the fuel economy. Premixed charge compression ignition combustion has the potential to reduce the nitrogen oxide emissions and the soot emissions while maintaining a high thermal efficiency and has become the research focus recently. Experiments and simulations were used to study the effects of the injection mode and the injection timing on the premixed charge compression ignition combustion and the emissions in a heavy-duty diesel en

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2

Fang, T.-G., R. E. Coverdill, C.-F. F. Lee, and R. A. White. "Effect of the injection angle on liquid spray development in a high-speed direct-injection optical diesel engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 223, no. 8 (2009): 1077–92. http://dx.doi.org/10.1243/09544070jauto1221.

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In this paper, the spray development and its interaction with the piston geometry were investigated in a small-bore high-speed direct-injection optical diesel engine. The effects of injection angle, injection timing, injection pressure, and injection fuel quantity were studied. The entire liquid spray cycle was visualized by a background-corrected Mie-scattering technique using a high-speed digital video camera synchronized with a high-repetition-rate copper vapour laser. For some conditions, the initial injection velocity was estimated quantitatively. The results show that the injection angle

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3

Luo, Li, Bin Xu, Zhi Hao Ma, Jian Wu, and Ming Li. "Effect of Injection Timing on Combustion Characteristics of a DI Diesel Engine Fuelled with Pistacia chinensis Bunge Seed Biodiesel." Advanced Materials Research 614-615 (December 2012): 337–42. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.337.

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In this study, the effect of injection timing on combustion characteristics of a direct injection, electronically controlled, high pressure, common rail, turbocharged and intercooled engine fuelled with different pistacia chinensis bunge seed biodiesel/diesel blends has been experimentally investigated. The results indicated that brake specific fuel consumption reduces with the increasing of fuel injection advance angle and enhances with the increasing of biodiesel content in the blends. The peak of cylinder pressure and maximum combustion temperature increase evidently with the increment of f

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4

Chang, Hsu Fang, Wang Chih Cheng, and Feng Tsai Weng. "Effect of End of Injection Angle on Performance and Emission Formation for a Gasoline Engine." Applied Mechanics and Materials 300-301 (February 2013): 27–31. http://dx.doi.org/10.4028/www.scientific.net/amm.300-301.27.

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The method of supplying fuel for an electronic-controlled fuel injection system is calculating the required fuel amounts under various operating conditions of engine and controlling the opening and closing timing of fuel injection. After fuel injection, the effects of condensation and atomization of injected fuel as well as fuel mixing for combustion are strongly dominated by the opening timing and duration of intake valves. This can further affect the emission composition and performance for an engine. As the emission regulation is getting more stringent and the requirement for minimizing spe

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5

Perang, Mohd Rozi Mohd, Abdul Latiff Zulkarnain, Azhar Abdul Aziz, and Mohamad Azzad Mokhri. "Design of a Four-Stroke Homogeneous Charge Compression Ignition Engine." Applied Mechanics and Materials 388 (August 2013): 229–34. http://dx.doi.org/10.4028/www.scientific.net/amm.388.229.

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This research is to study the operation of the four-stroke HCCI engine. The design and analysis works have been performed using computer software which is GT-Power and Solidwork to study on the engine performance simulation work and 3-D modelling on the combustion chamber designed respectively. The design is based on 4-cylinder passenger car, 2000 cc and a four-stroke cycle engine. The compression ratio used is 10. The fuel used is ethanol in which the air-fuel ratio (AFR) is 9. The parameters selected have typical range of value based on the previous study and research done. With the use of G

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6

WOJS, Marcin, Piotr ORLIŃSKI, and Jakub LASOCKI. "The effect of alternative fuels injection timing on toxic substances formation in CI engines." Combustion Engines 168, no. 1 (2017): 73–76. http://dx.doi.org/10.19206/ce-2017-112.

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The present study describes selected issues associated with the emission level in toxic exhaust gases and fuel injection timing. The study was focused on the following types of fuels: Diesel oil (the base fuel) and the other fuels were the mixture of fatty acid methyl ester with Camelina (L10 – diesel fuel with 10% V/V FAME of Camelina and L20 – diesel fuel with 10% V/V FAME of Camelina) was used. Fuel injection advanced angle was set for three different values – the factory setting – 12° before TDC, later injection – 7° and earlier injection – 17°. The most important conclusion is that in mos

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7

Xu, Bin, Li Luo, Jian Wu, and Zhi Hao Ma. "The Influence of Injection Timing on Emissions Characteristics of a DI Diesel Engine Fuelled with Pistacia Chinensis Bunge Seed Biodiesel." Advanced Materials Research 634-638 (January 2013): 846–51. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.846.

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The effect of various fuel injection advance angles on the emissions of an electronically controlled, high pressure, common rail, turbocharged GW4D20 diesel engine fuelled with different pistacia chinensis bunge seed biodiesel/diesel blends has been experimentally investigated. The results indicate that brake specific fuel consumption reduces with the increasing of fuel injection advance angle, and the BSFC of blends is higher than diesel. At 25% load, CO and THC are significantly reduced compared with higher load. The CO emission increases with the increment of fuel injection advance angle. A

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8

Tennison, P. J., and R. Reitz. "An Experimental Investigation of the Effects of Common-Rail Injection System Parameters on Emissions and Performance in a High-Speed Direct-Injection Diesel Engine." Journal of Engineering for Gas Turbines and Power 123, no. 1 (1999): 167–74. http://dx.doi.org/10.1115/1.1340638.

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An investigation of the effect of injection parameters on emissions and performance in an automotive diesel engine was conducted. A high-pressure common-rail injection system was used with a dual-guided valve covered orifice nozzle tip. The engine was a four-valve single cylinder high-speed direct-injection diesel engine with a displacement of approximately 12 liter and simulated turbocharging. The engine experiments were conducted at full load and 1004 and 1757 rev/min, and the effects of injection pressure, multiple injections (single vs pilot with main), and pilot injection timing on emissi

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9

Sudarmanta, Bambang, Alham A. K. Mahanggi, Dori Yuvenda, and Hary Soebagyo. "Optimization of Injection Pressure and Injection Timing on Fuel Sprays, Engine Performances and Emissions on a Developed DI 20C Biodiesel Engine Prototype." International Journal of Heat and Technology 38, no. 4 (2020): 827–38. http://dx.doi.org/10.18280/ijht.380408.

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Biodiesel, as a renewable fuel that has the potential to replace diesel fossil fuels. With properties in the form of viscosity, density, and surface tension, which are higher than diesel fossil fuel, biodiesel produces poor spray characteristics, and also the high cetane number and oxygen content so that the ignition delay is shorter causes the start of combustion will shift more forward, therefore need to improve injection parameters including injection pressure and timing. The aim of this research is to get the optimal injection parameter optimization so as to improve engine performances and

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10

Ichiyanagi, Mitsuhisa, Emir Yilmaz, Takashi Suzuki, et al. "Combustion Analysis of Ammonia/Gasoline Mixtures at Various Injection Timing Conditions in a High Compression Ratio SI Engine with Sub-Chamber." Automotive Experiences 7, no. 2 (2024): 321–32. https://doi.org/10.31603/ae.10533.

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Due to the problem of carbon dioxide (CO2) emissions, alternative fuels such as ammonia (NH3) have garnered a lot of attention lately. This is due to its carbon-free molecular structure, ease of transport, and high energy density. Unfortunately, ammonia is not without flaws since it is considered a difficult fuel to burn in conventional internal combustion engines. To further investigate the burning characteristics of ammonia, this study is conducted for ammonia/gasoline co-combustion using a modified engine equipped with a sub-chamber. The engine ran at 1000 RPM and had a 17.7 compression rat

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11

Sun, Ying Jie, Yang Li, Chun Yu Wang, Yao Chun Li, and Yun Feng Liang. "Research of Working Mode Conversion Based on GDI Engine." Applied Mechanics and Materials 741 (March 2015): 546–49. http://dx.doi.org/10.4028/www.scientific.net/amm.741.546.

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This paper designs the control strategy of working mode conversion from stoichiometric homogeneous mixture to lean homogeneous mixture. First of all, after the types and parameters of electric hardware were selected in this system, a complete circuit layout of engine control system was designed, which used microcontroller named MC9S12XDP512 as control chip and the test bench was built. Then, we adjust the fuel injection pulse width and throttle opening to realize lean burn (lambda = 1.4) of torque being 40N.m at speed of 2500 r / min, and adjust injection timing to find the best injection timi

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12

Khalid, Amir, Azwan Sapit, M. N. Anuar, et al. "Analysis of Fuel Injection Parameter on Biodiesel and Diesel Spray Characteristics Using Common Rail System." Advanced Materials Research 974 (June 2014): 362–66. http://dx.doi.org/10.4028/www.scientific.net/amr.974.362.

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Precise control of fuel injection is essential in modern diesel engines especially in controlling the precise injection quantity, flexible injection timing, flexible rate of injection with multiple injections and high injection pressures. It was known that the fuel-air mixing is mainly influenced by the fuel injection system and injector nozzle characteristics. Thus, mixture formation during ignition process associated with the exhaust emissions. The purpose of this study is to investigate the influence of spray characteristics on the mixture formation. In this study, common rail injector syst

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13

Aghahasani, Mahdi, Ayat Gharehghani, Amin Mahmoudzadeh Andwari, et al. "Numerical Study on Hydrogen–Gasoline Dual-Fuel Spark Ignition Engine." Processes 10, no. 11 (2022): 2249. http://dx.doi.org/10.3390/pr10112249.

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Hydrogen, as a suitable and clean energy carrier, has been long considered a primary fuel or in combination with other conventional fuels such as gasoline and diesel. Since the density of hydrogen is very low, in port fuel-injection configuration, the engine’s volumetric efficiency reduces due to the replacement of hydrogen by intake air. Therefore, hydrogen direct in-cylinder injection (injection after the intake valve closes) can be a suitable solution for hydrogen utilization in spark ignition (SI) engines. In this study, the effects of hydrogen direct injection with different hydrogen ener

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14

CZAJKA, Jakub, Ireneusz PIELECHA, and Krzysztof WISŁOCKI. "A comparative analysis of diesel fuel injection parameters in piezoelectric and electromagnetic fuel injectors." Combustion Engines 138, no. 3 (2009): 54–63. http://dx.doi.org/10.19206/ce-117177.

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The paper presents the results of a comparative analysis of the changes in the injection spray shape and penetration and its vertex angle during the injection through piezoelectric and electromagnetic fuel injectors. The results of the observation of the fuel spray with the use of high speed camera (100 ms frame frequency) have been presented. Moreover, the parameterization and digital processing (including its automation) of the obtained image have too been presented. The influence of the pressure and the timing of the injection on the variable-in-time spray parameters have been shown. A math

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15

Ding, Carl-Philipp, David Vuilleumier, Namho Kim, David L. Reuss, Magnus Sjöberg, and Benjamin Böhm. "Effect of engine conditions and injection timing on piston-top fuel films for stratified direct-injection spark-ignition operation using E30." International Journal of Engine Research 21, no. 2 (2019): 302–18. http://dx.doi.org/10.1177/1468087419869785.

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Mid-level ethanol/gasoline blends can provide knock resistance benefits for stoichiometric spark-ignition engine operation, but previous studies have identified challenges associated with spray impingement and wall wetting, leading to excessive particulate matter emissions. At the same time, stratified-charge spark-ignition operation can provide increased thermal efficiency, but care has to be exercised to avoid excessive in-cylinder soot formation. In support of the use of mid-level ethanol/gasoline blends in advanced spark-ignition engines, this study presents spray and fuel-film measurement

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16

Saravanan, N., and G. Nagarajan. "An experimental investigation on performance, emissions, and combustion in a manifold injection for different exhaust gas recirculation flowrates in hydrogen—diesel dual-fuel operations." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 222, no. 11 (2008): 2131–45. http://dx.doi.org/10.1243/09544070jauto921.

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Hydrogen is receiving considerable attention as an alternative fuel to replace the rapidly depleting petroleum-based fuels. Its clean burning characteristics help to meet the stringent emission norms. In this experimental investigation a single-cylinder diesel engine was converted to operate in hydrogen—diesel dual-fuel mode. Hydrogen was injected in the intake manifold and the diesel was injected directly inside the cylinder. The injection timing and the injection duration of hydrogen were optimized on the basis of performance and emissions. Best results were obtained with hydrogen injection

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17

Zhao, Le, Yu Zhang, Yuanjiang Pei, Anqi Zhang, and Muhsin M. Ameen. "CFD-Guided Evaluation of Spark-Assisted Gasoline Compression Ignition for Cold Idle Operation." Sustainability 13, no. 23 (2021): 13096. http://dx.doi.org/10.3390/su132313096.

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A closed-cycle, three-dimensional (3D) computational fluid dynamics (CFD) analysis campaign was conducted to evaluate the performance of using spark plugs to assist gasoline compression ignition (GCI) combustion during cold idle operations. A conventional spark plug using single-sided J-strap design was put at a location on the cylinder head to facilitate spray-guided spark assistance. Ignition was modeled with an L-type energy distribution to depict the breakdown and the arc-to-glow phases during the energy discharge process. Several key design parameters were investigated, including injector

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18

BALABAN, Fethi, Serdar HALİS, and H. Serdar YÜCESU. "Numerical Analysis of the Effects of Fuel Injection Duration and Spray Angle on the Combustion Process in a Compression Ignition Engine." Gazi University Journal of Science Part A: Engineering and Innovation 11, no. 1 (2024): 41–56. http://dx.doi.org/10.54287/gujsa.1402652.

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The changes in injection strategies for diesel engines have a major impact on the performance and pollutant emission characteristics of diesel engines. If injection strategies like injection duration, injection timing, injection pressure and spray angle are properly adjusted, combustion can be improved. The engine performance will increase and emissions will decrease with the combustion improvement. In this work, the influences of injection duration and spray angle on the combustion characteristics of single cylinder, natural aspirated, electronically controlled injection, compression ignition

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19

Li, Yuan, Jinxiang Liu, Weiqing Huang, and Nana Wang. "Effect of In-Cylinder Low-Pressure Direct Injection Strategy on the Atomization and Combustion Process of a Small-Scaled Gasoline Wankel Rotary Engine." International Journal of Energy Research 2023 (February 6, 2023): 1–14. http://dx.doi.org/10.1155/2023/3716468.

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To solve the problem of poor atomization and combustion in a small-scaled gasoline Wankel rotary engine (WRE) with low-pressure port injection mode, the numerical simulation was used to optimize the injection strategy. Firstly, the effects of in-cylinder temperature and pressure on gasoline atomization characteristics were studied, and the optimal injection timing was determined. Based on this, the influence of injection position, injection angle, and installation direction on the atomization, fuel-air mixing, and combustion processes of low-pressure direct injection (DI) small-scaled gasoline

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20

Tuan Duc Ho, Nghia Duc Mai, and Trung Dinh Pham. "Improving the Combustion Process of Biofuels for Diesel Engines to Reduce Environmental Pollution." Journal of Environmental & Earth Sciences 7, no. 7 (2025): 227–39. https://doi.org/10.30564/jees.v7i7.8832.

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Limiting environmental pollution from exhaust emissions from internal combustion engines includes many measures, including encouraging biofuel use because biofuel is environmentally friendly and renewable. A mixture of diesel fuel and vegetable oil is a form of biofuel. However, some properties of the mixed fuel, such as viscosity and density, are higher than those of traditional diesel fuel, affecting the injection and combustion process and reducing power and non-optimal toxic emissions, especially soot emissions. This study uses Kiva-3V software to simulate the combustion process of a diese

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21

Lin, Hang, Zhaoxia Huang, Jialiang Huang, et al. "Effect of Fuel Injection Timing on Marine Diesel Engine Blended with Isoamyl Alcohol." Journal of Physics: Conference Series 2437, no. 1 (2023): 012002. http://dx.doi.org/10.1088/1742-6596/2437/1/012002.

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Abstract In order to study the problem that the pressure in the cylinder decreases significantly after diesel is mixed with isopentanol, which leads to the reduction of power performance, the software of AVL-FIRE is used for simulation, and the angle of start injection is adjusted to improve cylinder pressure. It turns out that in terms of combustion, The maximum burst pressure is reduced after mixing isoamyl alcohol. By increasing fuel injection timing, maximum burst pressure can rise to 87.8%-94.5% of the original engine respectively. The indicated power can be increased to 91.92%-95.62% of

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22

Fang, T.-G., R. E. Coverdill, C.-F. F. Lee, and R. A. White. "Low-sooting combustion in a small-bore high-speed direct-injection diesel engine using narrow-angle injectors." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 222, no. 10 (2008): 1927–37. http://dx.doi.org/10.1243/09544070jauto751.

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An optically accessible high-speed direct-injection diesel engine was used to study the effects of injection angles on low-sooting combustion. A digital high-speed camera was employed to capture the entire cycle combustion and spray evolution processes under seven operating conditions including post-top-dead centre (TDC) injection and pre-TDC injection strategies. The nitrogen oxide (NO x) emissions were also measured in the exhaust pipe. In-cylinder pressure data and heat release rate calculations were conducted. All the cases show premixed combustion features. For post-TDC injection cases, a

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23

Kodavasal, Janardhan, Christopher P. Kolodziej, Stephen A. Ciatti, and Sibendu Som. "Effects of injection parameters, boost, and swirl ratio on gasoline compression ignition operation at idle and low-load conditions." International Journal of Engine Research 18, no. 8 (2016): 824–36. http://dx.doi.org/10.1177/1468087416675709.

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In this work, we study the effects of injector nozzle inclusion angle, injection pressure, boost, and swirl ratio on gasoline compression ignition combustion. Closed-cycle computational fluid dynamics simulations using a 1/7th sector mesh representing a single cylinder of a four-cylinder 1.9 L diesel engine, operated in gasoline compression ignition mode with 87 anti-knock index (AKI) gasoline, were performed. Two different operating conditions were studied—the first is representative of idle operation (4 mg fuel/cylinder/cycle, 850 r/min), and the second is representative of a low-load condit

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24

Solsjö, Rickard, Mehdi Jangi, Bengt Johansson, and Xue-Song Bai. "The Role of Multiple Injections on Combustion in a Light-Duty PPC Engine." Energies 13, no. 21 (2020): 5535. http://dx.doi.org/10.3390/en13215535.

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This paper presents a numerical investigation of the ignition and combustion process of a primary reference fuel in a partially premixed light-duty internal combustion (PPC) engine. Partially pre-mixed combustion is achieved by employing a multiple injection strategy with three short injection events of fuel pulses. The timing of the first two fuel pulses, 48 and 22 crank angle degrees before top dead center, are chosen with the purpose to stratify the fuel and air charge, whereas the third injection, at five crank angle degrees before top dead center, serves as an actuator of the main heat re

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25

Canakci, M., and R. D. Reitz. "Effect of Optimization Criteria on Direct-Injection Homegeneous Charge Compression Ignition Gasoline Engine Performance and Emissions Using Fully Automated Experiments and Microgenetic Algorithms." Journal of Engineering for Gas Turbines and Power 126, no. 1 (2004): 167–77. http://dx.doi.org/10.1115/1.1635395.

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Homogeneous charge compression ignition (HCCI) is a new low-emission engine concept. Combustion under homogeneous, low equivalence ratio conditions results in modest temperature combustion products, containing very low concentrations of NOx and PM as well as providing high thermal efficiency. However, this combustion mode can produce higher HC and CO emissions than those of conventional engines. Control of the start of combustion timing is difficult with pre-mixed charge HCCI. Accordingly, in the present study charge preparation and combustion phasing control is achieved with direct injection.

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26

KARPIŃSKI, Paweł. "THE INFLUENCE OF THE INJECTION TIMING ON THE PERFORMANCE OF TWO-STROKE OPPOSED-PISTON DIESEL ENGINE." Applied Computer Science 14, no. 2 (2018): 69–81. http://dx.doi.org/10.35784/acs-2018-14.

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The performance of the engine strongly depends on the parameters of the combustion process. In compression ignition engines, the fuel injection timing has a significant influence on this process. The moment of its occurrence and its duration should be chosen so that the maximum pressure value occurs several degrees after TDC. In order to analyze the effect of the fuel injection timing on the performance of the tested two-stroke opposed-piston diesel engine, a zero-dimensional model was developed in the AVL BOOST program. Next, a series of simulations were performed based on the defined calcula

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27

Chen, Zhenbin, Yudong Wan, Omar I. Awad, and Zhiqiang Pan. "Effect of Multiple Injection Strategy Under High Ammonia Ratio on Combustion and Emissions of Liquid Ammonia/Diesel Dual DI Engine." Atmosphere 16, no. 1 (2025): 94. https://doi.org/10.3390/atmos16010094.

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With the increasingly prominent environmental and energy issues, emission regulations are becoming more stringent. Ammonia diesel dual fuel (ADDF) engine is one of the effective ways to reduce carbon emissions. This study investigated the effect of multiple injection strategy on the combustion and emission characteristics of liquid ammonia/diesel dual direct injection (DI) engines through numerical simulation. The results showed that under the condition of maintaining the same pre injection diesel fuel and high ammonia energy ratio (80%), with the introduction of multiple injection, the peak c

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28

Bei, Taixue, Bo Lu, Rui Liu, Junhui Huang, and Bing Zhang. "Effects of Injection Timing and Injection Volume on the Combustion and Emissions of a Two-Stroke Kerosene Direct Injection Engine." Processes 10, no. 9 (2022): 1728. http://dx.doi.org/10.3390/pr10091728.

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To study the influence of injection time and injection volume on the working process of a two-stroke kerosene direct injection engine, an experimental study was carried out on an improved two-stroke inline three-cylinder gasoline engine, combined with calculations and analysis with GT-POWER and AVL FIRE software. The results showed that when the injection end angle increased from 50° to 70° before the top dead center (BTDC), the average pressure and temperature in the cylinder increased rapidly, the peak value of pressure and temperature and the cumulative heat release increased, and the combu

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29

Zhang, Peng, Jimin Ni, Xiuyong Shi, Sheng Yin, and Dezheng Zhang. "Effects of Ignition Timing on Combustion Characteristics of a Gasoline Direct Injection Engine with Added Compressed Natural Gas under Partial Load Conditions." Processes 9, no. 5 (2021): 755. http://dx.doi.org/10.3390/pr9050755.

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The gasoline/natural gas dual-fuel combustion mode has been found to have unique advantages in combustion. The ignition timing has a significant impact on the combustion characteristics of gasoline engines. Thus, here we study the combustion characteristics of gasoline/natural gas dual-fuel combustion mode to determine the details of their respective advantages under cooperative combustion. A direct-injection turbocharged gasoline engine was modified, and an engine experimental platform was built for the coordinated control of gasoline direct-injection and natural gas port injection. A low-spe

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Fansler, T. D., M. C. Drake, B. Stojkovic, and M. E. Rosalik. "Local fuel concentration, ignition and combustion in a stratified charge spark combustion in a stratified charge spark ignited direct injection engine: Spectroscopic, imaging and pressure-based measurements." International Journal of Engine Research 4, no. 2 (2003): 61–86. http://dx.doi.org/10.1243/146808703321533240.

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A recently developed spark emission spec-troscopy technique has been used to measure the effects of fuel injection timing, spark timing and intake swirl level on the individual-cycle fuel concentration at the spark gap in a wall-guided spark ignited direct injection (SIDI) engine. The fuel-concentration measurements were made simultaneously with measurements of individual-cycle spark discharge energy and cylinder pressure. Endoscopic imaging of the fuel spray and high-speed imaging of combustion (both broadband and spectrally resolved) augment these quantitative data. For optimum engine operat

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Dai, Zih-Chun. "Performance verification of heavy-duty motorcycles adjusting intake and exhaust timing." Journal of Physics: Conference Series 2141, no. 1 (2021): 012007. http://dx.doi.org/10.1088/1742-6596/2141/1/012007.

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Abstract Heavy-duty locomotives with large exhaust vehicles have become a common means of transportation for Taiwanese. However, for car owners to increase power output, improve efficiency, and reduce fuel use, the original factory has designed demand settings for cost, environmental protection, and regulations. This leads to the sacrifice of the performance of the original car design, so the RC2 Super ECU is used to replace the original injection computer, and the air-fuel ratio, ignition angle and exhaust pipe are modified. Without the need to change the structure of the heavy locomotive, th

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32

Kakoee, Alireza, Maciej Mikulski, Aneesh Vasudev, et al. "Start of Injection Influence on In-Cylinder Fuel Distribution, Engine Performance and Emission Characteristic in a RCCI Marine Engine." Energies 17, no. 10 (2024): 2370. http://dx.doi.org/10.3390/en17102370.

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Reactivity-controlled compression ignition (RCCI) is a promising new combustion technology for marine applications. It has offered the potential to achieve low NOx emissions and high thermal efficiency, which are both important considerations for marine engines. However, the performance of RCCI engines is sensitive to a number of factors, including the start of injection. This study used computational fluid dynamics (CFD) to investigate the effects of start of ignition (SOI) on the performance of a marine RCCI engine. The CFD model was validated against experimental data, and the results showe

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Canakci, M., and R. D. Reitz. "Experimental optimization of a direct injection homogeneous charge compression ignition gasoline engine using split injections with fully automated microgenetic algorithms." International Journal of Engine Research 4, no. 1 (2003): 47–60. http://dx.doi.org/10.1243/146808703762826642.

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Homogeneous charge compression ignition (HCCI) is receiving attention as a new low-emission engine concept. Little is known about the optimal operating conditions for this engine operation mode. Combustion under homogeneous, low equivalence ratio conditions results in modest temperature combustion products, containing very low concentrations of NOx and particulate matter (PM) as well as providing high thermal efficiency. However, this combustion mode can produce higher HC and CO emissions than those of conventional engines. An electronically controlled Caterpillar single-cylinder oil test engi

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34

Raghu, P., N. Nallusamy, and Pitchandi Kasivisvanathan. "Spray Characteristics of Diesel and Biodiesel Fuels for Various Injection Timings under Non Evaporating Conditions." Applied Mechanics and Materials 787 (August 2015): 682–86. http://dx.doi.org/10.4028/www.scientific.net/amm.787.682.

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Fuel spray and atomization characteristics play a vital role in the performance of internal combustion engines. Petroleum fuels are expected to be depleted within a few decades, finding alternative fuels that are economically viable to replace the petroleum fuel has attracted much research attention. In this work spray characteristics such as spray tip penetration, spray cone angle and spray area were investigated for Karanja oil methyl ester (KOME), Jatropha oil methyl ester (JOME) and diesel fuel. The KOME and JOME sprays were characterized and compared with diesel sprays at different inject

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Ouchikh, Sarah, Mohand Said Lounici, Khaled Loubar, and Mohand Tazerout. "Optimization of Injection Strategy for CH4/Diesel Dual-Fuel Engine Using Response Surface Methodology." Energies 18, no. 8 (2025): 2115. https://doi.org/10.3390/en18082115.

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Dual-fuel combustion technology allows for lower emissions of particulate matter (PM) and nitrogen oxide (NOx). However, under low load conditions, this mode of combustion has large amounts of emissions of carbon monoxide (CO) and unburned hydrocarbons (HCs) and low thermal efficiency. Several solutions have been presented to solve the issues associated with this operating mode. Optimizing the injection strategy is a potential method to enhance engine performance and reduce emissions, given that the injection parameters have significant effects on the combustion process. The present investigat

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Marikatti, Mahantesh, N. R. Banapurmath, V. S. Yaliwal, et al. "Hydrogen Injection in a Dual Fuel Engine Fueled with Low-Pressure Injection of Methyl Ester of Thevetia Peruviana (METP) for Diesel Engine Maintenance Application." Energies 13, no. 21 (2020): 5663. http://dx.doi.org/10.3390/en13215663.

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The present work is mapped to scrutinize the consequence of biodiesel and gaseous fuel properties, and their impact on compression-ignition (CI) engine combustion and emission characteristics in single and dual fuel operation. Biodiesel prepared from non-edible oil source derived from Thevetia peruviana belonging to the plant family of Apocynaceaeis. The fuel has been referred as methyl ester of Thevetia peruviana (METP) and adopted as pilot fuel for the effective combustion of compressed gaseous fuel of hydrogen. This investigation is an effort to augment the engine performance of a biodiesel

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Yang, Renyou, Gerasimos Theotokatos, and Dracos Vassalos. "Parametric investigation of a large two-stroke marine high-pressure direct injection engine by using computational fluid dynamics method." Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment 234, no. 3 (2020): 699–711. http://dx.doi.org/10.1177/1475090219895639.

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This study aims at the parametric investigation of the gas injection system settings of a large marine two-stroke dual fuel engine by using a developed and customized CFD method in the ANSYS Fluent software. The investigated engine injection system parameters include the gas injection timing, the gas injection duration, the gas injector lateral angle, and the gas injector holes number. Based on the comparison of the predicted performance parameters for the closed-cycle processes, the results indicate that the gas injector lateral angle is the most significant parameter that affects the engine

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Pham, Van Chien, Jae-Hyuk Choi, Beom-Seok Rho, et al. "A Numerical Study on the Combustion Process and Emission Characteristics of a Natural Gas-Diesel Dual-Fuel Marine Engine at Full Load." Energies 14, no. 5 (2021): 1342. http://dx.doi.org/10.3390/en14051342.

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This paper presents research on the combustion and emission characteristics of a four-stroke Natural gas–Diesel dual-fuel marine engine at full load. The AVL FIRE R2018a (AVL List GmbH, Graz, Austria) simulation software was used to conduct three-dimensional simulations of the combustion process and emission formations inside the engine cylinder in both diesel and dual-fuel mode to analyze the in-cylinder pressure, temperature, and emission characteristics. The simulation results were then compared and showed a good agreement with the measured values reported in the engine’s shop test technica

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Pielecha, Ireneusz, Filip Szwajca, and Kinga Skobiej. "Numerical investigation on the effects of fueling the Turbulent Jet Ignition gas engine with methane and hydrogen." Rail Vehicles/Pojazdy Szynowe, no. 1-2 (November 30, 2023): 46–57. http://dx.doi.org/10.53502/rail-176126.

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The modern solution of two-stage combustion, namely the Turbulent Jet Ignition (TJI), enables the combustion of ultra-lean mixtures. Thanks to this solution, it became possible to reduce fuel consumption and, at the same time, to increase the combustion process indicators (including the overall combustion system efficiency). The article presents the results of numerical tests of a heavy-duty engine equipped with the TJI system running on gas fuels. The AVL BOOST software was used to analyze the effects of different fuel injection rates into the pre-chamber and various ignition timing angles, w

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Hill, P. G., and B. Douville. "Analysis of Combustion in Diesel Engines Fueled by Directly Injected Natural Gas." Journal of Engineering for Gas Turbines and Power 122, no. 1 (1999): 141–49. http://dx.doi.org/10.1115/1.483185.

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A single-cylinder two-stroke (DDC 1-71) diesel engine has been fueled with natural gas directly injected at high pressure into the engine cylinder. Prior to injection of the natural gas, a quantity of diesel fuel is injected into the cylinder (from the same injector) to provide for gas ignition. Tests have been conducted at medium load and speed over a wide range of injection timing, and with both conventional diesel and gas/diesel operation. With natural gas fueling, significant reduction in nitrogen oxide emissions have been measured without significant loss in efficiency, relative to conven

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Yoga, N. G., D. R. B. Syaka, and H. A. Prakoso. "Arduino uno-based electronic control unit module remapping to achieve optimal engine rotation speed on spark ignition 2-stroke direct injection engine." Journal of Physics: Conference Series 2596, no. 1 (2023): 012048. http://dx.doi.org/10.1088/1742-6596/2596/1/012048.

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Abstract Direct injection technology in 2-stroke motorcycle engines can be a hope for overcoming exhaust emissions and optimizing ignition 2-stroke engine performance because direct injection engines use high-pressure pumps based on injection time and duration. On the TPS (throttle position sensor) to produce the optimal fuel mixture. This research will focus on Remapping the Arduino Uno-Based Electronic Control Unit (ECU) Module to Analyze Optimal Engine Rotation Speed in Spark Ignition 2-Stroke Direct Injection Machines. Experimental method using a Spark Ignition 2-Stroke Direct Injection en

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Dond, Dipak Kisan, and Nitin P. Gulhane. "Optimization of combustion parameters for CRDI small single cylinder diesel engine by using response surface method." Journal of Mechanical Engineering and Sciences 16, no. 1 (2022): 8730–42. http://dx.doi.org/10.15282/jmes.16.1.2022.07.0690.

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Limited fossil fuel’s reservoir capacity and pollution caused by them are the big problem today in the world. The small diesel engine, working with a conventional fuel injection system was the major contributor to this. The current study represented a statistical investigation of such a small diesel engine. A mechanical fuel injection system of the small diesel engine was retofitted with a simple version of the electronic common rail diesel injection (CRDI) system in the present study. The effect of combustion parameters such as compression ratio (CR), injection pressure (IP) and start of inje

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Wang, Xinyan, Jun Ma, and Hua Zhao. "Analysis of mixture formation process in a two-stroke boosted uniflow scavenged direct injection gasoline engine." International Journal of Engine Research 19, no. 9 (2017): 927–40. http://dx.doi.org/10.1177/1468087417736451.

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The two-stroke engine has the great potential for aggressive engine downsizing and downspeeding because of its double firing frequency. For a given torque, it is characterized with a lower mean effective pressure and lower peak in-cylinder pressure than a four-stroke counterpart. In order to explore the potential of two-stroke cycle while avoiding the drawbacks of conventional ported two-stroke engines, a novel two-stroke boosted uniflow scavenged direct injection gasoline engine was proposed and designed. In order to achieve the stable lean-burn combustion in the boosted uniflow scavenged dir

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Benajes, J., R. Payri, S. Molina, and V. Soare. "Investigation of the Influence of Injection Rate Shaping on the Spray Characteristics in a Diesel Common Rail System Equipped with a Piston Amplifier." Journal of Fluids Engineering 127, no. 6 (2005): 1102–10. http://dx.doi.org/10.1115/1.2062767.

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The quality of the mixing process of fuel and air in a direct injection diesel engine relies heavily on the way the spray develops when injected into the combustion chamber. Among other factors, the spray development depends on the injection rate of the fuel delivered by the injector. The paper presents a study, at both a macroscopic and microscopic level, of a Diesel spray generated by a common-rail injection system featuring a piston pressure amplifier. By modifying the timing and the duration of the injector and amplifier piston actuation, it is possible to obtain high injection pressures u

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K., Vijaya, Shailesh Palaparty, Raghavan Srinivasa, and Ravi Kumar Puli. "Investigations on performance of diesel engine by varying injection timings with design modification on piston crown." World Journal of Engineering 15, no. 5 (2018): 562–66. http://dx.doi.org/10.1108/wje-11-2017-0348.

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Purpose Investigations are carried out with the aim of improving performance of a diesel engine with the design modification on piston crown to stimulate the uniform combustion by inducing turbulence in the incoming charge. Design/methodology/approach A stirrer is introduced at the top of the piston so as to inculcate more turbulence to the incoming charge by improving the rate of fuel vaporization. Whirling motion is created in the combustible mixture by providing rotating blades on the cavity/bowl of the reciprocating piston head. By putting a simple link mechanism, the oscillatory motion of

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Bibic, Dzevad, Ivan Filipovic, Ales Hribernik, and Boran Pikula. "Investigation into the effect of different fuels on ignition delay of M-type diesel combustion process." Thermal Science 12, no. 1 (2008): 103–14. http://dx.doi.org/10.2298/tsci0801103b.

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An ignition delay is a very complex process which depends on a great number of parameters. In practice, definition of the ignition delay is based on the use of correlation expressions. However, the correlation expressions have very often limited application field. This paper presents a new correlation which has been developed during the research project on the direct injection M-type diesel engine using both the diesel and biodiesel fuel, as well as different values of a static injection timing. A dynamic start of injection, as well as the ignition delay, is defined in two ways. The first appr

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Dalha, Ibrahim B., Mior A. Said, Zainal A. Abdul Karim, and Salah E. Mohammed. "An Experimental Investigation on the Influence of Port Injection at Valve on Combustion and Emission Characteristics of B5/Biogas RCCI Engine." Applied Sciences 10, no. 2 (2020): 452. http://dx.doi.org/10.3390/app10020452.

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High unburned hydrocarbon (UHC) and carbon monoxide (CO) emissions, on account of the premixed air-fuel mixture entering the crevices and pre-mature combustion, are setbacks to reactivity-controlled compression ignition (RCCI) combustion at a low load. The influence of direct-injected B5 and port injection of biogas at the intake valve was, experimentally, examined in the RCCI mode. The port injection at the valve was to elevate the temperature at low load and eliminate premixing for reduced pre-mature combustion and fuel entering the crevices. An advanced injection timing of 21° crank angle b

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Cengiz, Cengizhan, and Salih Ozen Unverdi. "A CFD Study on the Effects of Injection Timing and Spray Inclusion Angle on Performance and Emission Characteristics of a DI Diesel Engine Operating in Diffusion-Controlled and PCCI Modes of Combustion." Energies 16, no. 6 (2023): 2861. http://dx.doi.org/10.3390/en16062861.

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In three-dimensional (3D) computational fluid dynamics (CFD) simulations, the effects of injection timing and spray inclusion angle (SIA) on performance and emissions of diffusion-controlled and Premixed Charge Compression Ignition (PCCI) combustion in part load for a heavy-duty direct injection (HDDI) diesel engine are studied. The start of injection (SOI) of a 146° SIA injector is varied between −70 and −10 °crank angle (°CA) after top dead center (ATDC). For −50 °CA ATDC SOI with various SIAs between 80° and 146°, PCCI combustion reduces mono-nitrogen oxide (NOx) emissions significantly com

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Chan, S. H. "Thermodynamics in a turbocharged direct injection diesel engine." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 212, no. 1 (1998): 11–24. http://dx.doi.org/10.1243/0954407981525768.

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Software has been developed for the calculation of the thermodynamic cycle and the entropy changes in a turbocharged, direct injection, diesel engine based upon the measured cylinder pressure and a shaft encoder output. Assumptions of homogeneous mixture and equilibrium thermodynamic properties are made for the products of combustion and the temporal variation in the fluid thermodynamic state is followed in a quasi-steady manner through a series of adjacent equilibrium states, each separated by finite intervals of one degree crank angle (1°CA). The thermodynamic properties are calculated by ei

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Ganapathy, Thirunavukkarasu, Parkash Gakkhar, and Krishnan Murugesan. "An analytical and experimental study of performance on jatropha biodiesel engine." Thermal Science 13, no. 3 (2009): 69–82. http://dx.doi.org/10.2298/tsci0903069g.

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Biodiesel plays a major role as one of the alternative fuel options in direct injection diesel engines for more than a decade. Though many feed stocks are employed for making biodiesel worldwide, biodiesel derived from domestically available non-edible feed stocks such as Jatropha curcas L. is the most promising alternative engine fuel option especially in developing countries. Since experimental analysis of the engine is pricey as well as more time consuming and laborious, a theoretical thermodynamic model is necessary to analyze the performance characteristics of jatropha biodiesel fueled di

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