Relevant bibliographies by topics / SI-engine

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'SI-engine'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 September 2023

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Journal articles on the topic "SI-engine"

1

Teng, Fei. "A brief introduction to the typical fuels for SI engine and its future projections." Journal of Physics: Conference Series 2419, no. 1 (January 1, 2023): 012067. http://dx.doi.org/10.1088/1742-6596/2419/1/012067.

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Abstract Spark Ignition (SI) engine has been widely used and developed in the engineering field due to its high performance and safety. At present, the SI engine has received extensive attention from many experts and scholars and has become a research hotspot and focus in the field of heat engines. This paper studies the development status of SI engines from multiple perspectives. The research status of performance and pollutant emissions of commercial SI engines were analyzed by literature search. The numerical simulation principle and application method of the current SI engine were studied, and the emissions of the traditional engine and the SI engine were compared. It was found that the SI engine has irreplaceable advantages in terms of performance and emissions. In addition, this paper also looks forward to the development of the SI engine, and proposes that the future development of the SI engine should focus on improving its performance; the use of clean fuel is also an important research content of the SI engine.
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Havran, R. L. "3500 SI Engine Application Flexibility." Journal of Engineering for Gas Turbines and Power 113, no. 3 (July 1, 1991): 340–44. http://dx.doi.org/10.1115/1.2906235.

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The 3500 Spark-Ignited Engine is a 170 mm bore by 190 mm stroke family including 8, 12, and 16-cylinder models rated at 54 bkW per cylinder. Initial production included low-emission versions of the 12 and 16 cylinder engines in 1986. This paper describes basic combustion and attachment developments that have broadened the product offering for improved performance in more varied fuel and high-temperature cogeneration applications.
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Kuberczyk, Raffael, Hans-Jürgen Berner, and Michael Bargende. "Differences in Efficiency between SI Engine and Diesel Engine." MTZ worldwide 70, no. 1 (January 2009): 60–66. http://dx.doi.org/10.1007/bf03227927.

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Wendeker, Mirosław. "Adaptive Fuelling of the SI Engine." Communications - Scientific letters of the University of Zilina 6, no. 1 (March 31, 2004): 19–25. http://dx.doi.org/10.26552/com.c.2004.1.19-25.

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Alhumairi, Mohammed. "Turbulent Premixed Combustion in SI Engine." DJES 11, no. 4 (December 1, 2018): 78–85. http://dx.doi.org/10.24237/djes.2018.11412.

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The turbulent lean premixed combustion simulation is implemented in 4- stroke spark ignition (SI) engine. The Turbulent Flame speed Closure model (TFC) is used in different turbulent flow conditions. The model is tested for a variety of flame configurations such as turbulent flame speed, the heat release from the combustion and turbulent kinetic energy in the radial direction of the cylinder at 15.5 mm below the top dead center TDC point. The simulation performs in the three cases of the (intake / exhaust) valve timing. The exhaust valve case is an essential leverage on the turbulent flame specification. The combustion period is very important factor in SI engine which is controlled especially by the turbulent flame speed. The turbulent flame speed and heat transfer is ascendant less than 10 % and 3% in case of intake and exhaust valves are closed respectively. Moreover, the results show that the brake power enhances less than 4% and more than 40% with increase fuel temperature 60 K and engine speed 3000 rpm respectively.
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Eriksson, Lars, Lars Nielsen, Jan Brugård, Johan Bergström, Fredrik Pettersson, and Per Andersson. "Modeling of a turbocharged SI engine." Annual Reviews in Control 26, no. 1 (January 2002): 129–37. http://dx.doi.org/10.1016/s1367-5788(02)80022-0.

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Knoll, Gunter, Frank Schlerege, Gerhard Matz, Sven Krause, Wolfgang Thiemann, Philipp Hollen, and Arnim Robota. "Oil Emissions of a SI Engine." MTZ worldwide 70, no. 2 (February 2009): 54–62. http://dx.doi.org/10.1007/bf03227935.

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Nanlohy, Hendry Y., Helen Riupassa, Marthina Mini, Herman Tjolleng Taba, Basri Katjo, Nevada JM Nanulaitta, and Masaki Yamaguchi. "Performance and Emissions Analysis of BE85-Gasoline Blends on Spark Ignition Engine." Automotive Experiences 5, no. 1 (November 27, 2021): 40–48. http://dx.doi.org/10.31603/ae.6116.

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This study aims to reveal the performance and exhaust emissions of a spark ignition (SI) engine fueled by a gasoline-bioethanol mixture. The main performance characteristics of the SI engine tested are torque, power output; thermal efficiency, brake specific fuel consumption, and brake mean effective pressure. Meanwhile, the exhaust emissions seen are carbon monoxide and hydrocarbons. The test is carried out by comparing the performance of the SI engine under standard conditions without modification with gasoline fuel, with the SI engine with modification with 85% bioethanol fuel. The mass flow of fuel is regulated by modifying the carburetor choke at 3/4 and 7/8. The results show that although slightly lower than gasoline, in general, it can be seen that bioethanol can improve SI engine performance and produce environmentally friendly exhaust emissions.
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Van Ga, Bui, and Tran Van Nam. "Appropriate structural parameters of biogas SI engine converted from diesel engine." IET Renewable Power Generation 9, no. 3 (April 2015): 255–61. http://dx.doi.org/10.1049/iet-rpg.2013.0329.

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Joseph, Antonio, and Gireeshkumaran Thampi. "Engine block vibrations: An indicator of knocking in the SI engine." FME Transactions 51, no. 3 (2023): 396–404. http://dx.doi.org/10.5937/fme2303396k.

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The factors influencing the onset of knocking have a significant impact on how well a SI engine performs. Hence, the efficacy in determining the onset and controlling of knock is a key factor in improving the SI engine's performance. This paper provides insight into the role of engine block vibrations in determining the occurrence of knock using Empirical Mode Decomposition and Short-Time Fourier Transform. To comprehend the behaviour of vibration amid normal combustion and knocking conditions, the engine block vibration signals are analyzed and compared with the incylinder pressure fluctuations. The features of knock are extracted from the engine block vibration signals using Empirical Mode Decomposition. The first Intrinsic Mode Function (IMF) thus obtained is used to generate the Hilbert spectrum for detecting the occurrence of knock. Similarly, ShortTime Fourier Transform is also performed on the first IMF to obtain the spectrogram. The findings demonstrate unequivocally that higher frequency variations are produced when knock occurs. These results also indicate that the combination of Empirical Mode Decomposition and Short-Time Fourier Transform can be used effectively for determining the occurrence of knock.
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Dissertations / Theses on the topic "SI-engine"

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Westin, Fredrik. "Accuracy of turbocharged SI-engine simulations." Licentiate thesis, KTH, Machine Design, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1491.

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This licentiate thesis deals mainly with modelling ofturbocharged SIengines. A model of a 4-cylinder engine was runin both steady state and transient conditions and the resultswere compared to measured data. Large differences betweenmeasurements and simulations were detected and the reasons forthis discrepancy were investigated. The investigation showedthat it was the turbocharger turbine model that performed in anon-optimal way. To cope with this, the turbine model containedparameters, which could be adjusted so that the model resultsmatched measured data. However, it was absolutely necessary tohave measured data to match against. It was thus concluded thatthe predictivity of the software tool was too poor to try topredict the performance of various boosting systems. Thereforemeans of improving the modelling procedure were investigated.To enable such an investigation a technique was developed tomeasure the instantaneous power output from, and efficiency of,the turbine when the turbocharger was used on the engine.

The project’s initial aim was to predict, throughsimulations, the best way to boost a downsized SI-engine with avery high boost-pressure demand. The first simulation run on astandard turbocharged engine showed that this could not be donewith any high accuracy. However, a literature study was madethat presents various different boosting techniques that canproduce higher boost pressure in a larger flow-range than asingle turbocharger, and in addition, with smallerboost-pressure lag.

Key words:boosting, turbocharging, supercharging,modelling, simulation, turbine, pulsating flow, unsteadyperformance, SI-engine, measurement accuracy

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Renberg, Ulrica. "1D engine simulation of a turbocharged SI engine with CFD computation on components." Licentiate thesis, KTH, Machine Design (Div.), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9162.

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1D engine simulations of turbocharged engines are difficult to

Techniques that can increase the SI- engine efficiency while keeping the emissions very low is to reduce the engine displacement volume combined with a charging system. Advanced systems are needed for an effective boosting of the engine and today 1D engine simulation tools are often used for their optimization.

This thesis concerns 1D engine simulation of a turbocharged SI engine and the introduction of CFD computations on components as a way to assess inaccuracies in the 1D model.

1D engine simulations have been performed on a turbocharged SI engine and the results have been validated by on-engine measurements in test cell. The operating points considered have been in the engine’s low speed and load region, with the turbocharger’s waste-gate closed.

The instantaneous on-engine turbine efficiency was calculated for two different turbochargers based on high frequency measurements in test cell. Unfortunately the instantaneous mass flow rates and temperatures directly upstream and downstream of the turbine could not be measured and simulated values from the calibrated engine model were used. The on-engine turbine efficiency was compared with the efficiency computed by the 1D code using steady flow data to describe the turbine performance.

The results show that the on-engine turbine efficiency shows a hysteretic effect over the exhaust pulse so that the discrepancy between measured and quasi-steady values increases for decreasing mass flow rate after a pulse peak.

Flow modeling in pipe geometries that can be representative to those of an exhaust manifold, single bent pipes and double bent pipes and also the outer runners of an exhaust manifold, have been computed in both 1D and 3D under steady and pulsating flow conditions. The results have been compared in terms of pressure losses.

The results show that calculated pressure gradient for a straight pipe under steady flow is similar using either 1D or 3D computations. The calculated pressure drop over a bend is clearly higher1D engine simulations of turbocharged engines are difficult to using 1D computations compared to 3D computations, both for steady and pulsating flow. Also, the slow decay of the secondary flow structure that develops over a bend, gives a higher pressure gradient in the 3D calculations compared to the 1D calculation in the straight pipe parts downstream of a bend.

 

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Niekamp, Troy S. (Troy Steven). "Translation of dilution tolerance for gasoline SI engine." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81616.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 69-70).
There are a variety of fuel improvement strategies being developed for spark ignition engines which use dilution. Many of these technologies use a combination of different diluents. It is impractical in optimizing these technologies to test every possible combination of diluents. The purpose of this study was to determine a relationship between the various diluents and combustion related output parameters. One of these key outputs was determining the dilution tolerance for an engine. In order to achieve this goal, the fundamental of combustion were studied. The results from this study will be useful in developing more aggressive engine control strategies. Dilution has been studied extensively in previous research. Its effects are well known. Primarily, it reduces peak combustion temperatures. This can be used as an effective means to reduce losses and hazardous emissions. Too much dilution, however, and the combustion stability is compromised. To facilitate this project, an engine was fully instrumented. Experiments were performed for a variety of operating conditions and diluents. Results were then used to correlate the diluent properties and quantities to combustion outputs. Adiabatic flame temperature was first attempted as the key metric for correlation. This metric proved to be unsuitable for developing correlations. Later, a new metric was computed by taking a linear combination of diluents. This was found to offer superior results. Using this metric along with other basic engine measurements, correlations were developed between the diluents and engine output parameters. These output parameters include dilution tolerance, exhaust temperature, NOx emissions, and combustion bum durations.
by Troy S. Niekamp.
S.M.
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Frisk, Erik. "Model-based fault diagnosis applied to an SI-Engine." Thesis, Linköpings universitet, Fordonssystem, 1996. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-141630.

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A diagnosis procedure is an algorithm to detect and locate (isolate) faulty components in a dynamic process. In 1994 the California Air Resource Board released a regulation, called OBD II, demanding a thorough diagnosis system on board automotive vehicles. These legislative demands indicate that diagnosis will become increasingly important for automotive engines in the next few years. To achieve diagnosis, redundancy has to be included in the system. This redundancy can be either hardware redundancy or analytical redundancy. Hardware redundancy, e.g. an extra sensor or extra actuator, can be space consuming or expensive. Methods based on analytical redundancy need no extra hardware, the redundancy here is generated from a process model instead. In this thesis, approaches utilizing analytical redundancy is examined. A literature study is made, surveying a number of approaches to the diagnosis problem. Three approaches, based on both linear and non-linear models, are selected and further analyzed and complete design examples are performed. A mathematical model of an SI-engine is derived to enable simulations of the designed methods.
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Tidefelt, Henrik. "Applied Output Error Identification: SI Engine Under Normal Operating Conditions." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2380.

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This report presents work done in the field of output error identification, with application to spark ignition (SI) engine identification for the purpose of air to fuel ratio control. The generic parts of the project consist mainly in setting out the basis for the design of output error identification software. Efficiency issues related to linear state space models have also been explored, and although the software design is not made explicit in this report, many of the important concepts have been implemented in order to provide powerful abstractions for the application to SI engine identification.

The SI engine identification data was obtained under normal operating conditions. The goal is to re- estimate models without utilizing a virtual measurement which has been used successfully to estimate models in the past. This turns out to be a difficult problem much related to the lack of excitation in the system input, shortcomings of the fuel dynamics model and the unknown and hard to estimate exhaust sensor characteristics. Indeed, the larger of the previously estimated models are found not to be identifiable in the present situation. However, trivial restrictions of the models (not meaning restriction to trivial models) avoid that problem.

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Goldwitz, Joshua A. (Joshua Arlen) 1980. "Combustion optimization in a hydrogen-enhanced lean burn SI engine." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/27061.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.
Includes bibliographical references (p. 95-97).
Lean operation of spark ignition (SI) automotive engines offers attractive performance incentives. Lowered combustion temperatures inhibit NO[sub]x pollutant formation while reduced manifold throttling minimizes pumping losses, leading to higher efficiency. These benefits are offset by the reduced combustion speed of lean mixtures, which can lead to high cycle-to-cycle variation and unacceptable engine behavior characteristics. Hydrogen-enhancement can suppress the undesirable consequences of lean operation by accelerating the combustion process, thereby extending the "lean limit." Hydrogen can be produced onboard the vehicle with a plasmatron fuel reformer device. Combustion optimization experiments focused on three key areas: the ignition system, charge motion in the inlet ports, and mixture preparation. The ignition system tests compared a standard inductive coil scheme against high-energy discharge systems. Charge motion experiments focused on the impact of turbulence patterns generated by conventional restrictor plates as well as novel inlet flow modification cones. The turbulent motion of each configuration was characterized using swirl and tumble flow benches. Mixture preparation tests compared a standard single-hole pintle injector against a fine atomizing 12-hole injector. Lastly, a further series of trials was also run to investigate the impact of high exhaust gas recirculation (EGR) dilution rates on combustion stability. Results indicate that optimizations of the combustion system in conjunction with hydrogen-enhancement can extend the lean limit of operation by roughly 25% compared against the baseline configuration. Nearly half of this improvement may be attributed to improvements in the combustion system.
(cont.) An inductive ignition system in conjunction with a high tumble-motion inlet configuration leads to the highest levels of combustion performance. Furthermore, hydrogen enhancement affects a nearly constant absolute improvement in the lean misfire limit regardless of baseline combustion behavior. Conversely, the amount of improvement in the point of peak engine NIMEP output is inversely related to the level of baseline performance.
by Joshua A. Goldwitz.
S.M.
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Westling, Joel, and Haris Subasic. "Effects and Models of Water Injection in an SI Engine." Thesis, Linköpings universitet, Fordonssystem, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-148952.

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Downsizing and turbocharging is a popular combination nowadays in cars inorder to decrease the fuel consumption. However, the boost pressure increasesthe risk of engine knock, limiting the engine in high-load operating points. Inthe current engines, fuel is used to cool the engine in these operating points,leading to a higher fuel consumption. Water injection is an effective method tomitigate knock and enable a more aggressive ignition. It enables the engine toproduce more power and cools the exhaust, thereby protecting the turbochargerand the catalyst from wear. In this thesis, the effects of injecting water in anengine is investigated and a further development of a cylinder pressure model,with a model that takes the water into account, is presented and validated. Themodel can be used to estimate the cylinder pressure in several operating points.
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Kapadia, Bhavin Kanaiyalal. "Development Of A Single Cylinder SI Engine For 100% Biogas Operation." Thesis, Indian Institute of Science, 2006. https://etd.iisc.ac.in/handle/2005/283.

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This work concerns a systematic study of IC engine operation with 100% biogas as fuel (as opposed to the dual-fuel mode) with particular emphasis on operational issues and the quest for high efficiency strategies. As a first step, a commercially available 1.2 kW genset engine is modified for biogas operation. The conventional premixing of air and biogas is compared with a new manifold injection strategy. The effect of biogas composition on engine performance is also studied. Results from the genset engine study indicate a very low overall efficiency of the system. This is mainly due to the very low compression ratio (4.5) of the engine. To gain further insight into factors that contribute to this low efficiency, thermodynamic engine simulations are conducted. Reasonable agreement with experiments is obtained after incorporating estimated combustion durations. Subsequently, the model is used as a tool to predict effect of different parameters such as compression ratio, spark timing and combustion durations on engine performance and efficiency. Simulations show that significant improvement in performance can be obtained at high compression ratios. As a step towards developing a more efficient system and based on insight obtained from simulations, a high compression ratio (9.2) engine is selected. This engine is coupled to a 3 kW alternator and operated on 100% biogas. Both strategies, i.e., premixing and manifold injection are implemented. The results show very high overall (chemical to electrical) efficiencies with a maximum value of 22% at 1.4 kW with the manifold injection strategy. The new manifold injection strategy proposed here is found to be clearly superior to the conventional premixing method. The main reasons are the higher volumetric efficiency (25% higher than that for the premixing mode of supply) and overall lean operation of the engine across the entire load range. Predictions show excellent agreement with measurements, enabling the model to be used as a tool for further study. Simulations suggest that a higher compression ratio (up to 13) and appropriate spark advance can lead to higher engine power output and efficiency.
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Kapadia, Bhavin Kanaiyalal. "Development Of A Single Cylinder SI Engine For 100% Biogas Operation." Thesis, Indian Institute of Science, 2006. http://hdl.handle.net/2005/283.

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This work concerns a systematic study of IC engine operation with 100% biogas as fuel (as opposed to the dual-fuel mode) with particular emphasis on operational issues and the quest for high efficiency strategies. As a first step, a commercially available 1.2 kW genset engine is modified for biogas operation. The conventional premixing of air and biogas is compared with a new manifold injection strategy. The effect of biogas composition on engine performance is also studied. Results from the genset engine study indicate a very low overall efficiency of the system. This is mainly due to the very low compression ratio (4.5) of the engine. To gain further insight into factors that contribute to this low efficiency, thermodynamic engine simulations are conducted. Reasonable agreement with experiments is obtained after incorporating estimated combustion durations. Subsequently, the model is used as a tool to predict effect of different parameters such as compression ratio, spark timing and combustion durations on engine performance and efficiency. Simulations show that significant improvement in performance can be obtained at high compression ratios. As a step towards developing a more efficient system and based on insight obtained from simulations, a high compression ratio (9.2) engine is selected. This engine is coupled to a 3 kW alternator and operated on 100% biogas. Both strategies, i.e., premixing and manifold injection are implemented. The results show very high overall (chemical to electrical) efficiencies with a maximum value of 22% at 1.4 kW with the manifold injection strategy. The new manifold injection strategy proposed here is found to be clearly superior to the conventional premixing method. The main reasons are the higher volumetric efficiency (25% higher than that for the premixing mode of supply) and overall lean operation of the engine across the entire load range. Predictions show excellent agreement with measurements, enabling the model to be used as a tool for further study. Simulations suggest that a higher compression ratio (up to 13) and appropriate spark advance can lead to higher engine power output and efficiency.
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Gustafsson, Karin. "Ion Current Dependence on Operating Condition and Ethanol Ratio." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8053.

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This masters thesis investigates the possibility to estimate the ethanol content in the fuel using ion currents. Flexible fuel cars can be run on gasoline-ethanol blends with an ethanol content from0 to 85 percentage. It is important for the engine control system to have information about the fuel. In todays cars the measurements of the fuel blend are done by a sensor. If it is possible to do this with ion currents this can be used to detect if the sensor is broken, and then estimate the ethanol content until the sensor gets fixed. The benefit

of using ion currents is that the signal is measured directly from the spark plug and therefore no extra hardware is needed. To be able to see how the ethanol ratio affects the ion currents, the dependencies of the operating point have been investigated. This has been done by a literature review and by measurements in a Saab 9-3. Engine speed, load, ignition timing, lambda and spark plugs effects on the ion currents are especially studied. A black box model for the ion currents dependence on operating point is developed. This model describes the engine speed, load and ignition timing dependencies well, but it can not be used to estimate the ethanol ratio.

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Books on the topic "SI-engine"

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Engineers, Society of Automotive, and SAE Powertrain & Fluid Systems Conference & Exhibition (2004 : Tampa, Fla.), eds. SI engine experiment and modeling. Warrendale, Pa: Society of Automotive Engineers, 2004.

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Engineers, Society of Automotive, and International Fall Fuels & Lubricants Meeting & Exposition (1997 : Tulsa, Okla.), eds. Diesel and SI engine modeling. Warrendale, Pa: Society of Automotive Engineers, 1997.

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Engineers, Society of Automotive, and SAE World Congress (2005 : Detroit, Mich.), eds. SI combustion and direct injection SI engine technology. Warrendale, Pa: SAE International, 2005.

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Engineers, Society of Automotive, and SAE World Congress (2006 : Detroit, Mich.), eds. New SI engine and component design 2006. Warrendale, Pa: Society of Automotive Engineers, 2006.

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Engineers, Society of Automotive. New SI engine and component design 2006. Warrendale, PA: SAE International, 2006.

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Engineers, Society of Automotive, and SAE Powertrain & Fluid Systems Conference & Exhibition (2004 : Tampa, Fla.), eds. SI engine performance and additives, gasoline engine cold start, and direct injection. Warrendale, Pa: Society of Automotive Engineers, 2004.

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Engineers, Society of Automotive, and SAE International Spring Fuels & Lubricants Meeting and Exposition (1998 : Dearborn, Mich.), eds. New techniques in SI and diesel engine modeling. Warrendale, PA: Society of Automotive Engineers, 1998.

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Engineers, Society of Automotive, and SAE World Congress (2007 : Detroit, Mich.), eds. SI and CI engine cold start and transient emissions and control. Warrendale, PA: Society of Automotive Engineers, 2007.

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Huang, Q. Fluidic devices as fuel injectors for SI engine fuel injection systems. Birmingham: University of Birmingham, 1992.

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K, Kokula Krishna Hari, ed. Simulation of a New Design Muffler to Reduce Noise in Exhaust System of C-12 SI Engine: ICIEMS 2014. India: Association of Scientists, Developers and Faculties, 2014.

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Book chapters on the topic "SI-engine"

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Kumar, Rakesh, and Rahul Sinha. "Automated SI Engine Wear Parts." In Energy, Environment, and Sustainability, 61–76. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-8337-4_4.

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Hofmann, Dirk, Bernhard Mencher, Werner Häming, and Werner Hess. "Basics of the gasoline (SI) engine." In Gasoline Engine Management, 8–23. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-03964-6_2.

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Hofmann, Dirk, Bernhard Mencher, Werner Häming, and Werner Hess. "Basics of the gasoline (SI) engine." In Fundamentals of Automotive and Engine Technology, 52–67. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-03972-1_6.

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Albin Rajasingham, Thivaharan. "SI and CI Engine Control Architectures." In Nonlinear Model Predictive Control of Combustion Engines, 175–94. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68010-7_7.

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Bhattacharya, Atmadeep, and Amitava Datta. "Syngas as SI Engine Fuel: Combustion Perspective." In Combustion for Power Generation and Transportation, 381–97. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3785-6_17.

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Yellapragada, Datta Bharadwaz, and Govinda Rao Budda. "Methanol—A Sustainable Fuel for SI Engine." In Energy, Environment, and Sustainability, 103–37. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1224-4_5.

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Rezapour, K. "Development of a Bi-fuel SI Engine Model." In Progress in Clean Energy, Volume 2, 121–45. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17031-2_11.

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Brayek, Mohamed, Mohamed Ali Jemni, Ali Damak, Amara Ibraim, Zied Driss, and Mohamed Salah Abid. "Numerical Model for Intake System in SI Engine." In Lecture Notes in Mechanical Engineering, 277–87. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84958-0_30.

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Tarulescu, Stelian, Radu Tarulescu, and Cristian-Ioan Leahu. "Optimizing Combustion in an Single Cylinder GDI SI Engine." In Proceedings of the European Automotive Congress EAEC-ESFA 2015, 395–403. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27276-4_37.

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Ravi, K., Jim Alexander, and E. Porpatham. "Investigation on Turbocharger Actuator for LPG Fuelled SI Engine." In Advances in Automotive Technologies, 157–68. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5947-1_13.

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Conference papers on the topic "SI-engine"

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Karimifar, Mansoor. "Engine Variables Affecting the SI Engine Knock." In ASME 2001 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-ice-414.

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Abstract To program the automatic performance control loops of the modern cars at the design stage, numerical result of engine variables effecting knock intensity is the most important tool. Although general aspects of the effect of engine operating conditions on knock have been studied in previous investigations, precise numerical results of that, are not available. The procedures proposed in the past to provide the requirements of the models either predicting or measuring knock are complicated and the details are not presented. In the current work, on the basis of the ‘sampling frequency theorem’ and in regard to the measured frequency of the knocking-pressure fluctuations, a fast on-line data acquisition system was designed and developed. The system was used on a variable compression ratio research engine using two different fuels. Large number of the engine pressure crank angle data were recorded at different operating conditions. Knock, intensity measurement was carried out using a developed criteria obtained by a careful analysis of pressure oscillations at 0.25 degree crank angle intervals. This lead to identification of cycles having specified knock intensity over a wide range of operating conditions. Effect of engine variables on knock intensity was therefore measured numerically for both fuels. Using the simple criteria to study the effect of engine operating conditions on the intensity of knock produced the results which agreed with the earlier experimental findings.
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Hendricks, Elbert, and Spencer C. Sorenson. "SI Engine Controls and Mean Value Engine Modelling." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1991. http://dx.doi.org/10.4271/910258.

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Jensen, Per B., Mads B. Olsen, Jannik Poulsen, Christian Vigild, and Elbert Hendricks. "Wideband SI Engine Lambda Control." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/981065.

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Xu, Hui, and Leon A. LaPointe. "Engine Capability Prediction for SI Engine Fueled With Syngas." In ASME 2015 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icef2015-1043.

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There are increasing interests in converting solid waste or lignocellulosic biomass into gaseous fuels and using reciprocating internal combustion engine to generate electricity. A widely used technique is gasification. Gasification is a process where the solid fuel and air are introduced to a partial oxidation environment, and generate combustible gaseous called synthesis gas or syngas. Converting solid waste into gaseous fuel can reduce landfill and create income for process owners. However it can be very challenging to use syngas on a gaseous fueled spark ignited engine, such as a natural gas (NG) engine. NG engines are typically developed with pipeline quality natural gas (PQNG). NG engines can operate at lean burn spark ignited (LBSI), or stoichiometric with EGR spark ignited (SESI) conditions. This work discusses the LBSI engine condition. NG engines can perform very differently when fueled with nonstandard gaseous fuels such as syngas without appropriate tuning. It is necessary to evaluate engine performance in terms of combustion duration, relative knock propensity and NOx emissions for such applications. Due to constraints in time and resources it is often not feasible to test such fuel blends in the laboratory. An analytical method is needed to predict engine performance in a timely manner. This study investigated the possibility of using syngas on a spark ignited engine developed with PQNG. Engine performance was predicted using in house developed models and PQNG as the reference fuel. Laminar flame speed (LFS), adiabatic flame temperature (AFT) and Autoignition interval (AI) are used to predict combustion duration, engine out NOx and engine knock propensity relative to NG at the target Lambda values. Single cylinder research engine data obtained under lean burn conditions fueled with PQNG was selected as the baseline. LFS, AFT and AI of syngas were computed at reference conditions. Lambda of operation was predicted for syngas to provide the same burn rate as NG at the reference Lambda value for NG. Analysis shows that, using syngas at the selected Lambda, the engine can have less engine out NOx emissions and less knock propensity relative to NG at the same speed and load. Modifications to fuel system components may be required to avoid engine derate.
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Milovanovic, Nebojsa, Dave Blundell, Stephen Gedge, and Jamie Turner. "SI-HCCI-SI Mode Transition at Different Engine Operating Conditions." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-0156.

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Ayeb, M., D. Lichtenthäler, T. Winsel, and H. J. Theuerkauf. "SI Engine Modeling Using Neural Networks." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980790.

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Vesterholm, Thomas, Elbert Hendricks, and Niels Houbak. "Higher Order Continuous SI Engine Observers." In 1992 American Control Conference. IEEE, 1992. http://dx.doi.org/10.23919/acc.1992.4792118.

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Afkhami, Behdad, Yu Zhao, Scott Miers, and Jon loesche. "Carbureted SI Engine Air Flow Measurements." In SAE 2016 World Congress and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2016. http://dx.doi.org/10.4271/2016-01-1082.

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Brady, Joseph M. "A High Efficiency SI Engine Concept." In Small Engine Technology Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2004. http://dx.doi.org/10.4271/2004-32-0035.

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Reddy, Sam. "Small SI Engine Evaporative Emission Control." In 2012 Small Engine Technology Conference & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2012. http://dx.doi.org/10.4271/2012-32-0039.

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Reports on the topic "SI-engine"

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Zhu, Guoming, Harold Schock, Xiaojian Yang, Andrew Huisjen, Tom Stuecken, Kevin Moran, Ren Zhen, Shupeng Zhang, John Opra, and Ron Reese. Flex Fuel Optimized SI and HCCI Engine. Office of Scientific and Technical Information (OSTI), December 2013. http://dx.doi.org/10.2172/1123499.

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Sjoberg, Carl Magnus Goran. FY19 Annual Report Advanced Light-Duty SI Engine Fuels Research. Office of Scientific and Technical Information (OSTI), November 2018. http://dx.doi.org/10.2172/1481945.

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R, Parthiban, B. Sadesh, V. LakshmiNarasimhan, G. Gnanakotaih, and Mohan D. Umate. Reduction of Engine Oil Consumption and Durability Improvement of Four Stroke Forced Air Cooled SI Engine. Warrendale, PA: SAE International, November 2011. http://dx.doi.org/10.4271/2011-32-0555.

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Selvaraj, B., S. N. Sridhara, G. Indraprakash, A. Senthilkumar, and Arvind Pangaonkar. Effects of Intake Port Geometry on the Performance of an SI Engine. Warrendale, PA: SAE International, November 2011. http://dx.doi.org/10.4271/2011-32-0506.

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Wooldridge, Margaret, Andre Boehman, George Lavoie, Robert Middleton, and Mohammad Fatouraie. Final Report: Utilizing Alternative Fuel Ignition Properties to Improve SI and CI Engine Efficiency. Office of Scientific and Technical Information (OSTI), November 2017. http://dx.doi.org/10.2172/1420264.

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Sjoberg, Carl Magnus Goran, and David Vuilleumier. Advanced Light-Duty SI Engine Fuels Research: Multiple Optical Diagnostics of Well-mixed and Stratified Operation. Office of Scientific and Technical Information (OSTI), February 2018. http://dx.doi.org/10.2172/1420751.

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Kavekar, Pratap C., and Dinesh B. Ghodeswar. 1-D Modeling and Experimental Evaluation of Secondary Air Injection System for a Small SI Engine. Warrendale, PA: SAE International, October 2013. http://dx.doi.org/10.4271/2013-32-9091.

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Winklhofer, Ernst, Reinhard Tatschl, and Mihoko Fukumoto. 3D-CFD and Optical Analysis of Flame Propagation and Knock Onset for Full Load SI Engine Combustion Optimization. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0097.

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Elkelawy, Medhat. Numerical Study on the Hydrogen Fueled SI Engine Combustion Optimization through a Combined Operation of DI and PFI Strategies. Warrendale, PA: SAE International, October 2012. http://dx.doi.org/10.4271/2012-32-0072.

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Poola, R. B., B. Nagalingam, and K. V. Gopalakrishnan. Performance of thin-ceramic-coated combustion chamber with gasoline and methanol as fuels in a two-stroke SI engine. Office of Scientific and Technical Information (OSTI), November 1994. http://dx.doi.org/10.2172/10194664.

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