Relevant bibliographies by topics / Automotive combustion and fuel engineering

Academic literature on the topic 'Automotive combustion and fuel engineering'

Author: Grafiati
Published: 10 December 2022
Last updated: 19 February 2023

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Journal articles on the topic "Automotive combustion and fuel engineering"

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Tutak, Wojciech, Arkadiusz Jamrozik, Ákos Bereczky, and Kristof Lukacs. "EFFECTS OF INJECTION TIMING OF DIESEL FUEL ON PERFORMANCE AND EMISSION OF DUAL FUEL DIESEL ENGINE POWERED BY DIESEL/E85 FUELS." Transport 33, no. 3 (July 10, 2018): 633–46. http://dx.doi.org/10.3846/transport.2018.1572.

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The paper presents the results of the investigation of Dual Fuel (DF) diesel engines powered by high bioethanol contain fuel – E85. The object of the investigation is a three-cylinder Compression Ignition (CI) Internal Combustion Engine (ICE) powered by diesel oil and bioethanol fuel E85 injected into the intake port as a DF engine. With the increase in the share of E85 fuel the highest intensification of the combustion process takes place in the main stage of the combustion and the ignition delay increases as well. The researchers are conducted using Computational Fluid Dynamics (CFD) method; the results of the investigation are successfully verified based on the indicator diagrams, heat performance rate and emissions. Based on CFD results the cross sections investigation of the combustion chamber it can be seen that in case of the DF engine, the flame front propagates with a higher speed. The initial phase of the combustion starts in a different location of the combustion chamber than in the classic CI engine. Replacement of diesel fuel by E85 in 20% resulted in the shortening of the combustion duration more than 2-times. With the increase of energetic share in E85 the soot emission is decreased at all ranges of the analysed operations of the engine. The oppositerelationship was observed in case of NO emission. With the increase of E85 in the fuel, the emission of NO increased.
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Ilves, Risto, Rauno Põldaru, Andres Annuk, and Jüri Olt. "THE IMPACT OF A TWO-PHASE DIESEL FUEL PILOT INJECTION ON THE COMPRESSED NATURAL GAS AIR–FUEL MIXTURE COMBUSTION PROCESS IN A DIESEL ENGINE." Transport 37, no. 5 (December 20, 2022): 330–38. http://dx.doi.org/10.3846/transport.2022.17938.

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Nowadays, there is a global trend towards the use of alternative fuels in order to reduce environmental pollution. For example, Compressed Natural Gas (CNG) has become more widely used around the world. The use of different fuels in engines affects the combustion process and efficiency, with the latter potentially being reduced by such means as, for example, the use of gaseous fuels in conventional diesel engines. Therefore, it is also important to know how CNG combusts in a diesel engine and how the combustion process can be improved. Consequently, the aim of the study is to give an overview of the effect of divided Diesel Fuel (DF) pilot injection on the combustion process of a naturally aspirated diesel engine using dual-fuel mode, with one fuel being DF and the other CNG. The focus of the article is on the commonly used engines on which the diesel injection system works regularly, and CNG fuel is injected into the intake manifold as an additional fuel. The engine DF quantity and injection timing are regulated by the acceleration pedal. The article provides an overview of the diesel and dual-fuel combustion process, and compare the DF and dual-fuel combustion processes. For this purpose, a test was carried out in order to measure the various involved parameters, such as the combustion pressure, torque, and fuel consumption. The results demonstrated that ignition delay does not significantly vary with the use of gas as a fuel source, and the maximum combustion pressure is actually higher with gas. The combustion is more rapid in dual-fuel mode and results indicate that when using dual-fuel mode on regular engines, it would be necessary to regulate the pre- and main-injection timing.
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Piancastelli, Luca, Merve Sali, and Christian Leon-Cardenas. "Design Issues of Heavy Fuel APUs Derived from Automotive Turbochargers Part III: Combustor Design Improvement." Machines 10, no. 7 (July 18, 2022): 583. http://dx.doi.org/10.3390/machines10070583.

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Heavy fuel combustion problems with startup and operation may significantly reduce the microturbine efficiency in small APUs (Auxiliary Power Units). The use of commercial automotive-derived turbochargers solves the design problems of compressors and turbines but introduces large issues with combustors. The radial combustor proved to be the best design. Unfortunately, high-pressure injection is not practical for small units. For this reason, primary air and low-pressure fuel spray are heated and mixed. In any case, a high air swirl must achieve a satisfactory combustion efficiency. This swirl should be almost eliminated at the turbine intake. CFD analysis of the combustor design was, therefore, performed with several different geometries and design solutions. In the end, a large offset of the fresh pipe from the compressor proved to be the best solution for a high swirl in the combustion region. The combustion tends to eliminate the swirl, but an undesired tumble motion at the turbine intake takes place. To eliminate the tumble, two small fins were added to straighten the flow to the turbine.
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Mikulski, Maciej, and Sławomir Wierzbicki. "EFFECT OF CNG IN A FUEL DOSE ON THE COMBUSTION PROCESS OF A COMPRESSION-IGNITION ENGINE." TRANSPORT 30, no. 2 (May 30, 2015): 162–71. http://dx.doi.org/10.3846/16484142.2015.1045938.

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Currently, one of the major trends in the research of contemporary combustion engines involves the potential use of alternative fuels. Considerable attention has been devoted to methane, which is the main component of Natural Gas (NG) and can also be obtained by purification of biogas. In compression-ignition engines fired with methane or Compressed Natural Gas (CNG), it is necessary to apply a dual-fuel feeding system. This paper presents the effect of the proportion of CNG in a fuel dose on the process of combustion. The recorded time series of pressure in a combustion chamber was used to determine the repeatability of the combustion process and the change of fuel compression-ignition delay in the combustion chamber. It has been showed that NG does not burn completely in a dual-fuel engine. The best conditions for combustion are ensured with higher concentrations of gaseous fuel. NG ignition does not take place simultaneously with diesel oil ignition. Moreover, if a divided dose of diesel is injected, NG ignition probably takes place at two points, as diesel oil.
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Ali, M. H., A. Abdullah, M. H. Mat Yasin, and M. K. Kamarulzaman. "Cyclic Pressure Variations in A Small Diesel Engine Fueled with Biodiesel and Antioxidant Blends." International Journal of Automotive and Mechanical Engineering 17, no. 2 (July 1, 2020): 7851–57. http://dx.doi.org/10.15282/ijame.17.2.2020.04.0585.

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Biodiesel fuel is considered as one of the most competence sustainable replacement for fossil fuel due to their superior combustion characteristics and possesses higher oxygen content. Thus, many researchers recently investigated to improve biodiesel capability by adding additives whether by blending with dual-fuel or tri-fuel. However, the combustion characteristics for biodiesel and biodiesel-additives blends are not thoroughly examined and need additional research works to study how the biodiesel behaviour and characterise. Thus, this research main objective is to study a single-cylinder diesel engine cyclic cylinder pressure variations running with biodiesel with antioxidant (B2HA1.0 and B2HT 1.0) blends with palm oil methyl ester (POME). While The baseline fuels used for this study were biodiesel (B20) and pure diesel (B0). The entire test fuels were examined at a constant engine speed 1800 rpm with 100% engine load condition. The engine combustion characteristics were studied by utilising the indicated mean effective pressure (IMEP) and cyclic variations of combustion pressure at 200 consecutive cycles. Combustion characteristics of engine diesel have been studied by using statistical analysis. The results revealed that the engine running with biodiesel-antioxidants have higher cyclic variations of combustion from B20 and B0, which B2HA1.0 possessed the highest cyclic variations. It can be summarised from the study that biodiesel-antioxidants fuels produce a substantial influence on the engine cyclical variation, which linked to the characteristics of the engine combustion.
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Abianeh, O. S., M. Mirsalim, and F. Ommi. "Combustion development of a Bi-Fuel engine." International Journal of Automotive Technology 10, no. 1 (February 2009): 17–25. http://dx.doi.org/10.1007/s12239-009-0003-7.

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Ickes, A. M., S. V. Bohac, and D. N. Assanis. "Effect of fuel cetane number on a premixed diesel combustion mode." International Journal of Engine Research 10, no. 4 (June 26, 2009): 251–63. http://dx.doi.org/10.1243/14680874jer03809.

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The ability of premixed low-temperature diesel combustion to deliver low particulate matter (PM) and NO x emissions is dependent on achieving optimal combustion phasing. Small deviations in combustion phasing can shift the combustion to less optimal modes, yielding increased emissions, increased noise, and poor stability. This paper demonstrates how variations in fuel cetane number affect the detailed combustion behaviour of a direct-injection, diesel-fuelled, premixed combustion mode. Testing was conducted under light load conditions on a modern single-cylinder engine, fuelled with a range of ultra-low sulphur fuels with cetane numbers ranging from 42 to 53. Fuel cetane number is found to affect ignition delay and, accordingly, combustion phasing. Gaseous emissions are a function of combustion phasing and exhaust gas recirculation (EGR) quantity, but are not directly tied to fuel cetane number. Fuel cetane number is merely one of many different engine parameters that shift combustion phasing. Furthermore, the operating range is constrained by the changes in cetane number: no injection timings yield acceptable combustion across the whole spread of tested cetane numbers. However, in terms of combustion phasing, the operating range is consistent, independent of fuel cetane number.
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Park, Wonah. "Naphtha as a Fuel for Internal Combustion Engines." International Journal of Automotive Technology 22, no. 4 (July 24, 2021): 1119–33. http://dx.doi.org/10.1007/s12239-021-0100-9.

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Li, T., R. Moriwaki, H. Ogawa, R. Kakizaki, and M. Murase. "Dependence of premixed low-temperature diesel combustion on fuel ignitability and volatility." International Journal of Engine Research 13, no. 1 (December 1, 2011): 14–27. http://dx.doi.org/10.1177/1468087411422852.

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A comprehensive study of fuel property effects in internal combustion engines is required to enable fuel diversification as well as the development of applications to advanced engines for operation with a variety of combustion modes. The objective of this paper is to investigate the effects of fuel ignitability and volatility over a wide range of premixed low-temperature combustion (LTC) modes in diesel engines. A total of 23 fuels were prepared from commercial gasoline, kerosene, and diesel as baseline fuels and with the addition of additives, to generate a cetane number (CN) range from 11 to 75. Experiments with a single-cylinder diesel engine operated in moderately advanced-injection LTC modes were conducted to evaluate these fuels. The combustion phasing is demonstrated to be a good indicator to estimate the in-cylinder peak pressure, exhaust gas emissions, and thermal efficiency in the LTC mode. Fuel ignitability affects the combustion phasing by changing the ignition delay. The predicted cetane number (PCN) based on fuel molecular structure analysis can be fitted to the ignition delays with a higher coefficient of determination than CN, suggesting good potential as a fuel ignitability measure over a wide range. The stable operating load range in the smokeless LTC mode depends more on the actual ignition delay or PCN rather than CN. With fixed injection timing and intake oxygen concentration, O2in, only when PCN < 40, the load range can be expanded significantly to higher loads. By holding the combustion phasing at top dead centre and varying intake oxygen concentration, the nitrogen oxides and smoke emissions become limitations of the load expansion for some fuels. The effects of fuel volatility on the characteristics of LTC are small compared to ignitability. Finally, the operational injection timing range and robustness of the LTC to fuel ignitability are examined, showing that the advantageous ignitability range becomes narrower, with fuel ignitability decreasing.
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WIERZBICKI, Sławomir, Grzegorz BORUTA, Łukasz KONIECZNY, and Bogusław ŁAZARZ. "ANALYSIS OF THE SHARE OF NATURAL GAS IN THE TOTAL FUEL SUPPLY DOSE ON THE COMBUSTION PROCESS IN A CRDI ENGINE." Transport Problems 17, no. 1 (March 1, 2022): 141–50. http://dx.doi.org/10.20858/tp.2022.17.1.12.

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Natural gas is one of the potential combustion engine fuels whose proportion in the overall energy balance is expected to increase. Owing to some of its properties, its use requires a dual-fuel supply system; thus, the use of natural gas as a fuel for diesel engines is currently limited. Systems that supply gas fuel to diesel engines do not usually interfere with the engine control system. This solution significantly reduces system-installation costs. However, as demonstrated in the present study, it considerably changes the course of the combustion process, which increases thermal and mechanical loads. In this case, the combustion process can be controlled by changing the liquid fuel injection pressure or advancing the injection angle. This, however, requires interference with the engine control system.
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Dissertations / Theses on the topic "Automotive combustion and fuel engineering"

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Hockett, Andrew. "A computational and experimental study on combustion processes in natural gas/diesel dual fuel engines." Thesis, Colorado State University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=3746141.

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Natural gas/diesel dual fuel engines offer a path towards meeting current and future emissions standards with lower fuel cost. However, numerous technical challenges remain that require a greater understanding of the in-cylinder combustion physics. For example, due to the high compression ratio of diesel engines, substitution of natural gas for diesel fuel at high load is often limited by engine knock and pre-ignition. Additionally, increasing the natural gas percentage in a dual fuel engine often results in decreasing maximum load. These problems limit the substitution percentage of natural gas in high compression ratio diesel engines and therefore reduce the fuel cost savings. Furthermore, when operating at part load dual fuel engines can suffer from excessive emissions of unburned natural gas. Computational fluid dynamics (CFD) is a multi-dimensional modeling tool that can provide new information about the in-cylinder combustion processes causing these issues.

In this work a multi-dimensional CFD model has been developed for dual fuel natural gas/diesel combustion and validated across a wide range of engine loads, natural gas substitution percentages, and natural gas compositions. The model utilizes reduced chemical kinetics and a RANS based turbulence model. A new reduced chemical kinetic mechanism consisting of 141 species and 709 reactions was generated from multiple detailed mechanisms, and has been validated against ignition delay, laminar flame speed, diesel spray experiments, and dual fuel engine experiments using two different natural gas compositions. Engine experiments were conducted using a GM 1.9 liter turbocharged 4-cylinder common rail diesel engine, which was modified to accommodate port injection of natural gas and propane. A combination of experiments and simulations were used to explore the performance limitations of the light duty dual fuel engine including natural gas substitution percentage limits due to fast combustion or engine knock, pre-ignition, emissions, and maximum load. In particular, comparisons between detailed computations and experimental engine data resulted in an explanation of combustion phenomena leading to engine knock in dual fuel engines.

In addition to conventional dual fuel operation, a low temperature combustion strategy known as reactivity controlled compression ignition (RCCI) was explored using experiments and computations. RCCI uses early diesel injection to create a reactivity gradient leading to staged auto-ignition from the highest reactivity region to the lowest. Natural gas/diesel RCCI has proven to yield high efficiency and low emissions at moderate load, but has not been realized at the high loads possible in conventional diesel engines. Previous attempts to model natural gas/diesel RCCI using a RANS based turbulence model and a single component diesel fuel surrogate have shown much larger combustion rates than seen in experimental heat release rate profiles, because the reactivity gradient of real diesel fuel is not well captured. To obtain better agreement with experiments, a reduced dual fuel mechanism was constructed using a two component diesel surrogate. A sensitivity study was then performed on various model parameters resulting in improved agreement with experimental pressure and heat release rate.

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Liu, Dai. "Combustion and emissions of an automotive diesel engine using biodiesel fuels under steady and start conditions." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/5797/.

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Biodiesels have been proved to reduce the smoke and THC emissions by many researchers. The demands of biodiesel are increasing all over the world. Various feedstocks of biodiesel have been used in different countries and regions. The blend ratio of biodiesel in petrol station is also varies. Therefore, more calibration works have been done for the car manufacturers. In first part this research, the combustion characteristics and emissions of using biodiesels from different feedstocks with different blend ratio was studied by experimental works. Statistical analysis indicated the correlation between emissions and fuel properties. Then, a smoke index, containing Reynolds Number of fuel spray, cetane number and gross heat value of combustion, was created and showed a significant linear relationship with the smoke emissions. The effects of engine loads and EGR rates on the relationship were also discussed. The second part of this research was focused on the cold start with using biodiesel blends. The tests were conducted in a wide range of the temperatures (from -20°C to 90°C). Results showed that the methyl ester biodiesel reduced the PM during the acceleration period of the start at 20°C conditions. As ambient temperature decreased, using of biodiesel shows an increased emissions of PM and THC. The chemical compositions of particle emissions with using biodiesel blends at cold start were identified by a 20-GC/MS and the results also confirmed this trend.
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Baranski, Jacob A. "Experimental Investigation of Octane Requirement Relaxation in a Turbocharged Spark-Ignition Engine." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1375262182.

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Everett, Ryan Vincent. "An Improved Model-Based Methodology for Calibration of an Alternative Fueled Engine." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1321285633.

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Fussey, Peter Michael. "Automotive combustion modelling and control." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:ec66cbb1-407e-431c-bd77-e67bcf33be3a.

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This thesis seeks to bring together advances in control theory, modelling and controller hardware and apply them to automotive powertrains. Automotive powertrain control is dominated by PID controllers, look-up tables and their derivatives. These controllers have been constantly refined over the last two decades and now perform acceptably well. However, they are now becoming excessively complicated and time consuming to calibrate. At the same time the industry faces ever increasing pressure to improve fuel consumption, reduce emissions and provide driver responsiveness. The challenge is to apply more sophisticated control approaches which address these issues and at the same time are intuitive and straightforward to tune for good performance by calibration engineers. This research is based on a combustion model which, whilst simplified, facilitates an accurate estimate of the harmful NOx and soot emissions. The combustion model combines a representation of the fuel spray and mixing with charge air to give a time varying distribution of in-cylinder air and fuel mixture which is used to calculate flame temperatures and the subsequent emissions. A combustion controller was developed, initially in simulation, using the combustion model to minimise emissions during transient manoeuvres. The control approach was implemented on an FPGA exploiting parallel computations that allow the algorithm to run in real-time. The FPGA was integrated into a test vehicle and tested over a number of standard test cycles demonstrating that the combustion controller can be used to reduce NOx emissions by over 10% during the US06 test cycle. A further use of the combustion model was in the optimisation of fuel injection parameters to minimise fuel consumption, whilst delivering the required torque and respecting constraints on cylinder pressure (to preserve engine integrity) and rate of increase in cylinder pressure (to reduce noise).
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Al, Qubeissi Mansour. "Heating and evaporation of automotive fuel droplets." Thesis, University of Brighton, 2015. https://research.brighton.ac.uk/en/studentTheses/540596d9-e14f-4007-9533-acd625e14b8e.

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The previously introduced fuel droplet heating and evaporation models, taking into account temperature gradients, recirculations, and species diffusion within droplets, are further developed and generalised for the application to a broad range of automotive fuel droplets. The research has been conducted in three directions: modelling of biodiesel fuel droplets, modelling of Diesel fuel droplets, and modelling of gasoline fuel droplets.
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Cuseo, James M. (James Michael). "Cold start fuel management of port-fuel-injected internal combustion engines." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32380.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.
Includes bibliographical references (p. 64).
The purpose of this study is to investigate how changes in fueling strategy in the second cycle of engine operation influence the delivered charge fuel mass and engine out hydrocarbon (EOHC) emissions in that and subsequent cycles. Close attention will be paid to cycle-to-cycle interaction of the fueling strategy. It is our intent to see if residual fuel from each cycle has a predicable influence on subsequent cycle's charge mass and EOHC emissions. The fast flame ionization detector is employed to measure both in-cylinder and engine out hydrocarbon concentrations for various cold start strategies. The manufacturer's original fueling strategy is used as a starting point and is compared to a "in-cylinder fuel air ratio (Phi) [approx.] 1" case (a fueling strategy that results in an in-cylinder concentration of approximately stoichiometric for each of the first five cycles) and to a number of cases that are chosen to illustrate cycle-to-cycle mixture preparation dependence on second cycle fueling. Significant cycle-to-cycle dependence is observed with the change in second cycle. A fueling deficit in cycle two has a more pronounce effect on future cycles delivered charge mass than a fueling surplus while a fueling surplus in cycle two has a more pronounce effect on future cycles charge mass than a fueling deficit.
by James M. Cuseo.
S.M.
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Girgis, Elisabeth. "Fuel devolatilization in packed bed wood combustion." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26645.

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Packed bed combustion is the burning of solid fuel particles supported by a grate with the combustion air supplied from below. The combustion process is divided into four main stages: drying, devolatilization, volatiles combustion and char combustion. Biomasses proposed as renewal energy sources, such as wood, have a very high volatile content (∼80%). Therefore mechanistic models developed for the prediction of bed characteristics during biomass combustion must include devolatilization and volatile combustion stages in order to correctly predict combustion behaviour for better emissions control and process efficiency. A novel in-situ sampling method for tar, a major pyrolysis product, was developed that allows its concentration to be measured at various heights within the packed bed and appears to work satisfactorily. A series of experiments on packed bed combustion were conducted in a laboratory 'pot' type combustor. Two different equivalent particle size diameters (2.8 cm and 3.2 cm) of untreated spruce wood and two different airflow rates (0.025 kg/m2s and 0.03 kg/m 2s) were tested at a 22 cm bed height. Although the experimental data show scatter, the measurements indicated that pyrolysis occurred primarily within two particle diameters of the top of the bed, with large amounts of tar and CO and somewhat less CO2 being produced. This research also expanded a numerical model for packed bed combustion of solid fuels with the addition of a simple first order pyrolysis reaction, in which fixed proportions of the products were set as light volatiles of CO and CO2 with the balance as tar. The model results compared well with bed temperature, particle size and density measurement throughout the bed and gas concentration (CO, CO2, O2, and CH4) measurements in the reduction and oxidation zone.
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Goldsmith, Claude Franklin III. "Predicting combustion properties of hydrocarbon fuel mixtures." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59876.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 189-201).
In this thesis, I applied computational quantum chemistry to improve the accuracy of kinetic mechanisms that are used to model combustion chemistry. I performed transition state theory calculations for several reactions that are critical in combustion, including a detailed analysis of the pressure dependence of these rate coefficients. I developed a new method for rapidly estimating the vibrational modes and hindered rotor parameters for molecules. This new method has been implemented in an automatic reaction mechanism generation software, RMG, and has improved the accuracy of the density of states computed in RMG, which in turn has improved RMG's ability to predict the pressure-dependence of rate coefficients for complex reaction networks. I used statistical mechanics to compute the thermochemistry for over 170 of the most important species in combustion. These calculations form a new library of thermodynamic parameters, and this library will improve the accuracy of kinetic models, particularly for fuel lean conditions. I measured reaction rate coefficients using both laser flash-photolysis absorption spectroscopy in a slow-flow reactor and time-of-flight mass spectrometry and laser Schlieren densitometry in a shock tube. Based upon these experimental projects, I helped design a one-of-a-kind instrument for measuring rate coefficients for combustion-relevant reactions. The new reactor combines photoionization time-of-flight mass spectrometry with multi-pass absorption spectroscopy in a laser-flash photolysis cell. The cumulative effect of these efforts should advance our understanding of combustion chemistry and allow us to make more accurate predictions of how hydrocarbons burn.
by Claude Franklin Goldsmith, III.
Ph.D.
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Crua, Cyril. "Combustion processes in a diesel engine." Thesis, University of Brighton, 2002. https://research.brighton.ac.uk/en/studentTheses/d0d73428-8bf3-460f-8297-f40572fd4bd7.

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The effects of in-cylinder and injection pressures on the formation and autoignition of diesel sprays at realistic automotive in-cylinder conditions was investigated. A two-stroke diesel Proteus engine has been modified to allow optical access for visualisation of in-cylinder combustion processes. Various optical techniques were used to investigate the combustion processes. These include high-speed video recording of the liquid phase, high-speed schlieren video recording of the vapour phase and laser-induced incandescence for soot imaging. The spray cone angle and penetration with time data extracted from photographic and high-speed video studies are presented. The effects of droplet evaporation, breakup and air entrainment at the initial stage of spray penetration were studied theoretically using three models. It was found that the predictions of the model combining bag breakup and air entrainment are in good agreement with the experimental measurements. Spray autoignition was investigated using video, in-cylinder pressure, and schlieren recordings. Pseudo three-dimensional visualisation of the autoignition was achieved by simultaneous use of two high-speed video cameras at right angles to each other. The effects of elevated injection and in-cylinder pressures on the ignition delay and ignition sites have been investigated. Laser-induced incandescence was performed to obtain maps of soot concentration for a range of engine conditions. The influence of in-cylinder and injection pressures on soot formation sites and relative soot concentration has been studied. The work has been mainly focused on the specificities of soot formation under extreme in-cylinder conditions.
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Books on the topic "Automotive combustion and fuel engineering"

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Industrial and marine fuels reference book. London: Butterworths, 1988.

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Russia) Vserossiĭskai︠a︡ konferent︠s︡ii︠a︡ s mezhdunarodnym uchastiem "Gorenie tverdogo topliva" (7th 2009 Novosibirsk. Gorenie tverdogo topliva: Sbornik dokladov VII Vserossiĭskoĭ konferent︠s︡ii s mezhdunarodnym uchastiem, 10-13 noi︠a︡bri︠a︡ 2009 g.. Novosibirsk: Izdatelʹstvo Instituta teplofiziki SO RAN, 2009.

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United States. Government Accountability Office. Vehicle fuel economy. New York: Novinka Books, 2008.

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International Conference on Statistics and Analytical Methods in Automotive Engineering (2002 London, UK). International Conference on Statistics and Analytical Methods in Automotive Engineering, 24-25 September 2002, IMechE HQ, London, UK, organized by the Combustion Engines and Fuels Group in conjunction with the Automobile Division of the Institution of Mechanical Engineers (IMechE). Bury St Edmunds [England]: Professional Engineering Publishing, 2002.

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Wall, T., L. Baxter, and R. Gupta. Impact of mineral impurities in solid fuel combustion. New York: Kluwer Academic, 2002.

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Automotive fuels and fuel systems: Fuels, tanks, delivery, metering, mixing and combustion, and environmental considerations. London: Pentech Press, 1991.

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Garrett, T. K. Automotive fuels and fuel systems: Fuels, tanks, fuel delivery, metering, air charge augmentation, mixing, combustion and environmental considerations. London: Pentech., 1994.

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L, Kuhl A., ed. Dynamics of gaseous combustion. Washington, DC: American Institute of Aeronautics and Astronautics, Inc., 1993.

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1932-, Van Basshuysen Richard, ed. Reduced emissions and fuel consumption in automobile engines. Wien: Springer-Verlag, 1995.

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(Firm), ALSTOM, ed. Clean combustion technologies. 5th ed. Windsor, CT: Alstom Inc., 2009.

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Book chapters on the topic "Automotive combustion and fuel engineering"

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Chiong, Meng-Choung, Guo Ren Mong, Keng Yinn Wong, Hui Yi Tan, and Nor Afzanizam Samiran. "Dual Fuel Soy Biodiesel and Natural Gas Swirl Combustion for Toxic Emissions Reduction." In Technological Advancement in Mechanical and Automotive Engineering, 111–20. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1457-7_8.

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Capătă, Marius S. D., Mădălin Florin Popa, and Nicolae Burnete. "Aspects Regarding Fuel Consumption and the Pollutant Products of Internal Combustion Engines for Commercial Vehicles." In The 30th SIAR International Congress of Automotive and Transport Engineering, 95–102. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32564-0_12.

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Mattson, Jonathan, and Christopher Depcik. "Availability Analysis of Alternative Fuels for Compression Ignition Engine Combustion." In Proceedings of the 4th International Congress of Automotive and Transport Engineering (AMMA 2018), 542–49. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94409-8_63.

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Cucinotta, Filippo, Marcello Raffaele, and Fabio Salmeri. "A Well-to-Wheel Comparative Life Cycle Assessment Between Full Electric and Traditional Petrol Engines in the European Context." In Lecture Notes in Mechanical Engineering, 188–93. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70566-4_30.

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AbstractAutomotive sector is crucial for the economic and social system. Conversely, it also plays an important role in the global emissions balance with strong consequences on the environment. Currently the Research world is engaged in the reduction of the emissions, especially in order to contrast the Climate Change and reduce toxicity on humans and the ecosystem. This study presents a comparative Life Cycle Assessment, Well-to-Wheel, between the most common technology used in the automotive sector, i.e. the traditional petrol Internal Combustion Engine and the full Battery Electric Vehicle. The different configurations have been analysed within 17 different impact categories in terms of climate change, human health, resourced depletion and ecosystems. The Well-to-Wheel approach allows to focus the attention on the use stage of the vehicle, considering the local effects due to the direct emissions in high density urban zones and it mitigates the dependence of usage hypotheses, different scenarios and intrinsic differences between the various models of cars in circulation.
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Burnete, Nicolae Vlad, Richard János Balint, Corneliu Adrian Măgherusan, and Dan Moldovanu. "Performance, Combustion and Emissions Study of a DI Diesel Engine Running on Several Types of Diesel Fuels." In The 30th SIAR International Congress of Automotive and Transport Engineering, 153–59. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32564-0_18.

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Bryden, Kenneth M., Kenneth W. Ragland, and Song-Charng Kong. "Solid Fuel Combustion Mechanisms." In Combustion Engineering, 327–50. 3rd ed. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/b22232-18.

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Klell, Manfred, Helmut Eichlseder, and Alexander Trattner. "Fuel Cells." In Hydrogen in Automotive Engineering, 137–92. Wiesbaden: Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-35061-1_6.

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Klell, Manfred, Helmut Eichlseder, and Alexander Trattner. "Internal Combustion Engines." In Hydrogen in Automotive Engineering, 193–249. Wiesbaden: Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-35061-1_7.

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Basu, Prabir, Cen Kefa, and Louis Jestin. "Fuel and Combustion Calculations." In Mechanical Engineering Series, 21–51. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4612-1250-8_3.

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Pearson, G., M. Leary, A. Subic, and J. Wellnitz. "Performance Comparison of Hydrogen Fuel Cell and Hydrogen Internal Combustion Engine Racing Cars." In Sustainable Automotive Technologies 2011, 85–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19053-7_11.

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Conference papers on the topic "Automotive combustion and fuel engineering"

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Murr, Franz, Ernst Winklhofer, and Hubert Friedl. "Reducing Emissions and Improving Fuel Economy by Optimized Combustion of Alternative Fuels." In 16th Asia Pacific Automotive Engineering Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2011. http://dx.doi.org/10.4271/2011-28-0050.

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Zhang, Bingjie, Siti Khalijah Mazlan, Shuheng Jiang, and Alberto Boretti. "Numerical Investigation of Dual Fuel Diesel-CNG Combustion on Engine Performance and Emission." In 18th Asia Pacific Automotive Engineering Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2015. http://dx.doi.org/10.4271/2015-01-0009.

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Kataoka, Katsumi, Masahiro Tsurusaki, and Toshikazu Kadota. "Effect of Fuel Properties on the Combustion Process and NO Emission in a Spark Ignition Engine." In International Pacific Conference On Automotive Engineering. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1993. http://dx.doi.org/10.4271/931940.

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Merkisz, J., W. Kozak, J. Markowski, and M. Bajerlein. "The Influence of Oxygen Dissolved in the Diesel Fuel on the Combustion Process and Concentration of Toxic Compounds in Exhaust Gas." In Asia Pacific Automotive Engineering Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2007. http://dx.doi.org/10.4271/2007-01-3440.

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Gjirja, Savo, Erik Olsson, Andreas Eklund, and Per Hedemalm. "A New Paraffinic Fuel Impact on Emissions and Combustion Characteristics of a Diesel Engine." In International Body Engineering Conference & Exhibition and Automotive & Transportation Technology Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-2218.

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Seo, Ju Hyeong, Ho Young Kim, Jin Woo Bae, and Jin Taek Chung. "Numerical Studies on the Combustion and Liquid Fuel Films Characteristics with the Dependence on Injection and Spark Timing of GDI Engine." In 16th Asia Pacific Automotive Engineering Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2011. http://dx.doi.org/10.4271/2011-28-0060.

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Stelmasiak, Zdzislaw. "The Impact of Gas-Air Composition on Combustion Parameters of Dual Fuel Engines Fed CNG." In International Body Engineering Conference & Exhibition and Automotive & Transportation Technology Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-2235.

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Cao, Yiding. "Operation and Cold Start Mechanisms of Internal Combustion Engines with Alternative Fuels." In Asia Pacific Automotive Engineering Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2007. http://dx.doi.org/10.4271/2007-01-3609.

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Kazemiabnavi, Saeed, Aneet Soundararaj, Haniyeh Zamani, Bjoern Scharf, Priya Thyagarajan, and Xinle Zhou. "A Comparative Study of Hydrogen Storage and Hydrocarbon Fuel Processing for Automotive Fuel Cells." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52478.

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In recent years, there has been increased interest in fuel cells as a promising energy storage technology. The environmental impacts due to the extensive fossil fuel consumption is becoming increasingly important as greenhouse gas (GHG) levels in the atmosphere continue to rise rapidly. Furthermore, fuel cell efficiencies are not limited by the Carnot limit, a major thermodynamic limit for power plants and internal combustion engines. Therefore, hydrogen fuel cells could provide a long-term solution to the automotive industry, in its search for alternate propulsion systems. Two most important methods for hydrogen delivery to fuel cells used for vehicle propulsion were evaluated in this study, which are fuel processing and hydrogen storage. Moreover, the average fuel cost and the greenhouse gas emission for hydrogen fuel cell (H2 FCV) and gasoline fuel cell (GFCV) vehicles are compared to that of a regular gasoline vehicle based on the Argonne National Lab’s GREET model. The results show that the average fuel cost per 100 miles for a H2 FCV can be up to 57% lower than that of regular gasoline vehicles. Moreover, the obtained results confirm that the well to wheel greenhouse gas emission of both H2 FCV and GFCV is significantly less than that of regular gasoline vehicles. Furthermore, the investment return period for hydrogen storage techniques are compared to fuel processing methods. A qualitative safety and infrastructure dependency comparison of hydrogen storage and fuel processing methods is also presented.
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List, Helmut. "Engines Benefit From Automotive Technology." In ASME 2003 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ices2003-0697.

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With intense competition today among builders of large engines the drive to improve technology and reduce engine cost has accelerated. Leading large engine builders have always developed their own techniques to do this. A huge investment has been made in the last 10 years by the automotive industry to further develop technology and large engine builders are now benefiting from these advances. Use is also being made of the longer experience of the automotive engine builders in developing electronics and in meeting emissions legislation. We look at how these techniques are being adapted for marine, locomotive and power generation engines and at the benefits they are bringing. Examples are described from analytical software development, common rail FIE, in cylinder measurements and reliability engineering to production engineering, engine health monitoring and alternative fuels. Further market demands and more stringent regulations are considered because they will force ever more development in an ever reducing time scale. Shorter engine test times are essential. Other ways are being developed to ensure competitive performance and reliability. Future developments in response to these demands are predicted and the effects these may have on large engine design are assessed.
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Reports on the topic "Automotive combustion and fuel engineering"

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Greene, D. L., and J. DeCicco. Engineering-economic analyses of automotive fuel economy potential in the United States. Office of Scientific and Technical Information (OSTI), February 2000. http://dx.doi.org/10.2172/753365.

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Mok, G., and L. Hagler. Drop Test Results for the Combustion Engineering Model No. ABB-2901 Fuel Pellet Shipping Package. Office of Scientific and Technical Information (OSTI), June 2002. http://dx.doi.org/10.2172/15005955.

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Murphy, B. D. Characteristics of Spent Fuel from Plutonium Disposition Reactors, Vol. 1: The Combustion Engineering System 80+ Pressurized-Water-Reactor Design. Office of Scientific and Technical Information (OSTI), January 1993. http://dx.doi.org/10.2172/814104.

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Carrington, David Bradley, and Octavio Jr Ramos. FEARCE: Fast, Easy, Accurate, and Robust Continuum Engineering Improving fuel efficiency and reducing emissions in combustion engines 2019 R&D 100 Awards. Office of Scientific and Technical Information (OSTI), April 2019. http://dx.doi.org/10.2172/1505952.

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Correlation Between Vibration Level, Lubricating Oil Viscosity and Total Number Base of an Internal Combustion Engine Operated with Gasoline and Ethanol. SAE International, March 2022. http://dx.doi.org/10.4271/2022-01-0620.

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Lubricating oils for automotive engines have been incorporating important improvements in chemical properties to increase engine performance, reduce fuel consumption and vehicular emissions indices, in addition to increasing the time interval for changing the lubricant itself. The objective of this study is to investigate the vibrational behavior of the block and crankshaft an Otto cycle internal combustion engine operated with ethanol and gasoline fuel as a function of the viscosity and total base number (TBN) of the lubricant. The study consisted of instrumenting the block and the 1st and 5th fixed bearings of the crankshaft with accelerometers to measure the engine vibration intensity and operating the engine on a bench dynamometer in a specific test cycle. Each experiment lasted 600 hours and every 50 hours a block and crankshaft engine vibration level were measured and 100ml sample of lubricating oil was collected to check viscosity and TBN chemical lubricant's properties. The results show that the block and crankshaft engine vibration level increases with the time of use of the lubricating oil and that this increase is very significant when the oil viscosity an TBN chemical properties reaches the minimum value stipulated by the manufacturer lubricating oil. Semi-synthetic and synthetic lubricating oils have similar engine protection characteristics, but synthetic oil protects the engine for a longer period of time due to less degradation of viscosity an TBN chemical properties compared to semi-synthetic. Mineral lubricating oil presented protection for a very short test period, due to the rapid degradation of chemical properties and measurements showed an average increase of 20% of vibration engine running with mineral lubricating oil in relation synthetic and semi-synthetic oils. This research is important because it correlates the degradation of the lubricating oil with the engine vibration level and vibration problems in internal combustion engines produce premature wear on the internal components of the engine, which contributes to reduce the lifespan of the engine. This study also shows how is important to observe the correct application of automotive oils.
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Effect of Spark Discharge Duration and Timing on the Combustion Initiation in a Lean Burn SI Engine. SAE International, April 2021. http://dx.doi.org/10.4271/2021-01-0478.

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Meeting the increasingly stringent emission and fuel efficiency standards is the primary objective of the automotive research. Lean/diluted combustion is a promising avenue to realize high-efficiency combustion and reduce emissions in SI engines. Under the diluted conditions, the flame propagation speed is reduced because of the reduced charge reactivity. Enhancing the in-cylinder charge motion and turbulence, and thereby increasing the flame speed, is a possible way to harness the combustion process in SI engines. However, the charge motion can have a significant effect on the spark ignition process because of the reduced discharge duration and frequent restrikes. A longer discharge duration can aid in the formation of the self-sustained flame kernel and subsequent stable ignition. Therefore, an empirical study is undertaken to investigate the effect of the discharge duration and ignition timing on the ignition and early combustion in a port fueled SI engine, operated under lean conditions. The discharge duration is modulated from 1 ms to 8 ms through a continuous discharge strategy. The discharge current and voltage measurements are recorded during the engine operation to characterize the discharge process. The in-cylinder charge is diluted using fresh air to achieve lean combustion. The in-cylinder pressure measurement and heat release analysis are used to investigate the ignition and combustion characteristics of the engine. Preliminary results indicate that while the discharge duration has a marginal effect on the ignition delay, cyclic variations are notably impacted.
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