Relevant bibliographies by topics / Diesel Engine Calibration

Academic literature on the topic 'Diesel Engine Calibration'

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Published: 14 March 2023

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Journal articles on the topic "Diesel Engine Calibration"

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Shinde, Mr Bhushan Subhash, Dr Usha C. Pawar, and Mr Rajesh Kumar. "Diesel Engine Fuel Pump Pressure, Time Setting and Calibration." International Journal for Research in Applied Science and Engineering Technology 10, no. 3 (March 31, 2022): 2014–31. http://dx.doi.org/10.22214/ijraset.2022.41025.

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Abstract: For a diesel engine, fuel pressure time setting and calibration are very important parameters, which influence and increase the engine efficiency, performance, emissions, and combustion. Other injection parameters affecting engine performance are rate of injection, injection pattern, number of injections etc. A single cylinder research engine was used to experimentally determine the effects of fuel injection strategies and injection timings on engine combustion, performance and emission characteristics. The experiments were conducted at constant speed (2500 rpm) with two FIPs (500 and 1000 bars respectively) and different start of injection (SOI) timings. Cylinder pressure and rate of heat release (ROHR) were found to be higher for lower FIPs however advanced injection timings gave higher ROHR in early combustion stages. Brake thermal efficiency (BTE) increased with increased injection pressures while exhaust gas temperature and brake mean effective pressure (BMEP) increased up to 500 bars. These parameters reduced slightly with increase in fuel pressure time pump. Diesel engine combustion quality is based on the formation of fuel-air mixture. Enormous efforts have made to reduce the harmful diesel engine emissions. High engine noise, Particulate matter (PM) and NOx production are the results of improper combustion process and considered as the major constraints. The performance and emission characteristics of diesel engines depend on many parameters. Precise control over the fuel injection process is one of the most important factors and plays a very important role in combustion to increase the engine performance with minimal exhaust emission. The injection system must satisfy high pressure capability, injection pressure control, flexible timing control, and injection rate control. The purpose of this study is to find the performance and exhaust emission of diesel engines by implementing the combination of various high injection pressures and variable injection timings. Present paper is concentrated towords optimization of the best combination of high pressure injection with suitable injection timing in a diesel engine fueled with pure diesel, to reduce the emission and fuel consumption with increased engine power. Keywords: Diesel Engine fuel pump pressure, time,setting and calibration.
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Wang, Jun, Lizhong Shen, Yuhua Bi, Shaohua Liu, and Mingding Wan. "Power recovery of a variable nozzle turbocharged diesel engine at high altitude by response surface methodology and sequential quadratic programming." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 4 (February 21, 2018): 810–23. http://dx.doi.org/10.1177/0954407017753913.

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Based on a review of the research methods about diesel engine performance recovery at high altitude and an experimental investigation, by optimizing variable nozzle turbocharger (VNT) and fuel supply system calibration parameters a novel method is proposed to enhance the performance of a turbocharged diesel engine at high altitude. At an altitude of 1920 m, four calibration parameters deeply affecting performance of the diesel engine were selected at the rated power condition, that is, injection quantity, injection timing, injection pressure, and VNT nozzle opening. In order to reduce thermal load of the diesel engine running in the plateau environment, reasonable coded levels of Design of Experiments (DoE) factors were chosen, and an experimental design matrix was selected based on the Box–Behnken design. The interaction effects of the four calibration parameters on engine performance were investigated using the response surface methodology. Power recovery optimization was carried out by means of sequential quadratic programming under a minimum smoke limit and durability constraints. The results show that this performance optimization method can effectively recover engine performance at high altitude. Moreover, it can, to an extent, alleviate the problems such as deterioration of fuel consumption and high thermal load induced by the rise in elevation. With optimized calibration parameters, the rated power of the diesel engine at an altitude of 1920 m proved to be recovered to that at sea level, and there was an increase of brake specific fuel consumption by less than 3% compared with that in the plain area, which met the performance and durability requirements for general turbocharged internal combustion engines at altitudes lower than 2000 m.
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Srinivasa Rao, Yenda, and Tsegaye Getachew Alenka. "Performance and Emission Analysis of Common Rail Diesel Engine with Microalgae Biodiesel." Journal of Engineering 2022 (July 4, 2022): 1–7. http://dx.doi.org/10.1155/2022/7441659.

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Modern common rail diesel engines are normally optimized with commercial diesel. As a result, the engine control unit’s calibration is established to achieve the best compromise between performances and exhaust pollutants. Biodiesel has a faster combustion rate and higher combustion chamber temperature than commercial diesel, which necessitates the injection of higher fuel volumes to compensate for the lower calorific value of biodiesel compared to regular diesel. This study showed that by adjusting the mapping of the engine control unit according to the fuel utilised, it is possible to improve the emissions and performance of a common rail diesel engine running on pure Botryococcus braunii algae oil biodiesel or a blend of biodiesel and commercial diesel.
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Li, Jie Hui, Lu Yun Zhang, Tie Nan Huang, and Qing Yu. "Study on Electronic Controlled Diesel Engine Calibration System Based on CAN-Bus." Applied Mechanics and Materials 490-491 (January 2014): 881–85. http://dx.doi.org/10.4028/www.scientific.net/amm.490-491.881.

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To meet the requirement of electric control diesel engine operation optimization, an online calibration system of diesel engine is designed based on the principle and the way to communicate of CAN-Bus. This Calibration system found communication accurate and quick, which researching of software is based on Windows platform, VC++6.0 software and modularization designed [1]. At last electronic control system simulation platform experiments demonstrate that data transfer function is reliable and steady and bench tests testify that the calibration system can calibrate diesel engine practical.
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Xu, Yin Sheng, Hua Zhu, and Ke Jiu Lu. "Research on Parameters Optimization of Biodiesel Engine Combustion System." Applied Mechanics and Materials 385-386 (August 2013): 77–80. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.77.

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This paper researches on the optimization of the effective thermal efficiency of diesel engines for the target optimization on the test bench to investigate the economical efficiency impact of combustion system parameters of diesel engine fueled with biodiesel to determine the optimum value of these parameters in order to improve the burning biodiesel combustion efficiency of the diesel engine. Results show that the system parameters through the optimization of combustion can meet the standard of the diesel calibration power levels up to the original machine, combustion efficiency can be achieved for more than 32%.
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Millo, Federico, Andrea Piano, Benedetta Peiretti Paradisi, Mario Rocco Marzano, Andrea Bianco, and Francesco C. Pesce. "Development and Assessment of an Integrated 1D-3D CFD Codes Coupling Methodology for Diesel Engine Combustion Simulation and Optimization." Energies 13, no. 7 (April 1, 2020): 1612. http://dx.doi.org/10.3390/en13071612.

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In this paper, an integrated and automated methodology for the coupling between 1D- and 3D-CFD simulation codes is presented, which has been developed to support the design and calibration of new diesel engines. The aim of the proposed methodology is to couple 1D engine models, which may be available in the early stage engine development phases, with 3D predictive combustion simulations, in order to obtain reliable estimates of engine performance and emissions for newly designed automotive diesel engines. The coupling procedure features simulations performed in 1D-CFD by means of GT-SUITE and in 3D-CFD by means of Converge, executed within a specifically designed calculation methodology. An assessment of the coupling procedure has been performed by comparing its results with experimental data acquired on an automotive diesel engine, considering different working points, including both part load and full load conditions. Different multiple injection schedules have been evaluated for part-load operation, including pre and post injections. The proposed methodology, featuring detailed 3D chemistry modeling, was proven to be capable assessing pollutant formation properly, specifically to estimate NOx concentrations. Soot formation trends were also well-matched for most of the explored working points. The proposed procedure can therefore be considered as a suitable methodology to support the design and calibration of new diesel engines, due to its ability to provide reliable engine performance and emissions estimations from the early stage of a new engine development.
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Zhang, Beidong, Yankun Jiang, and Yexin Chen. "Research on Calibration, Economy and PM Emissions of a Marine LNG–Diesel Dual-Fuel Engine." Journal of Marine Science and Engineering 10, no. 2 (February 10, 2022): 239. http://dx.doi.org/10.3390/jmse10020239.

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In order to convert the marine diesel engine into an LNG (Liquefied Natural Gas)–diesel dual-fuel engine and ensure its power and emission characteristics, a new calibration method is proposed, and the fuel substitution ratio, economy and detailed particulate matter emission law after the engine is calibrated using this method are studied. The calibration method takes the peak pressure in the cylinder and the exhaust temperature as constraints and uses the diesel mass substitution ratio as the objective function. Based on the proposed calibration method, the engine is calibrated by setting up a calibration test bench. The test obtains the distribution characteristics of the diesel mass substitution ratio under various operating conditions of the engine. The results show that the proposed calibration method allows the dual-fuel engine to achieve the same power performance as the original engine. At the same time, the diesel mass substitution ratio of the calibrated dual-fuel engine can reach up to 95% (800 r/min @ 800 Nm, 900 r/min @ 800 Nm and 1000 r/min @ 800 Nm). The substitution ratio in the range of 900 r/min~1200 r/min at a common speed is more than 70%, and the average diesel mass substitution ratio under all working conditions is 71%. Furthermore, the study of engine economy shows that the BSFC (brake specific fuel consumption) of the dual-fuel mode is higher than that of the pure diesel mode when working under external characteristics, propulsion characteristics and different loads at 1000 r/min speed. This is more obvious when the load is small, and the two are closer when the load is medium or high; however, the fuel cost when the engine works in dual-fuel mode is much lower than that of the pure diesel mode. In the usual speed and load range, the particulate matter emission test shows that its particle size distribution, total number of particles and particle volume are significantly reduced in the dual-fuel mode.
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Bhardwaj, Om Parkash, Ahmad Omari, Jukka Nuottimäki, and Richard Hervé. "Optimizing Engine Calibration for Renewable Diesel Fuels." MTZ worldwide 79, no. 3 (February 9, 2018): 26–33. http://dx.doi.org/10.1007/s38313-017-0172-0.

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Hu, Sheng Ou, and Ren Xian Li. "Numerical Calibration of Diesel Engine Variable Valve Timing." Advanced Materials Research 516-517 (May 2012): 628–33. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.628.

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The performance of internal combustion engine can be improved by using variable valve timing technology. but how to get the optimal inlet/export valve open or close angles under various operating conditions still relies mainly on testing calibration method. By means of one-dimensional working process simulation method, the performance of a four cylinder diesel engine was simulated, and the influences of diffrent inlet/export valve timing on engine performances were compared. Optimum valve timing values and engine performances under thirty kinds of working conditions were gotton. After that, the engine performances compared with that without variable valve timing. Simulation results show that the engine performance, especially the emission performance, can be improved at all simulation working conditions. The method used in this paper may be a new way for calibration of optimal valve timing.
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Xu, Zeyu. "Experimental Research on Idle Combustion Noise of a Diesel Engine." Journal of Physics: Conference Series 2359, no. 1 (October 1, 2022): 012003. http://dx.doi.org/10.1088/1742-6596/2359/1/012003.

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Abstract Noise is one of the three major pollutants in the world, among which noise pollution complaints caused by fuel-powered vehicles account for more than 70%. Research on engine combustion noise is aimed at reducing pollution problems caused by it. Based on the Chinese national standard ‘Reciprocating internal combustion engines-Measurement method for combustion noise’, an experimental study on combustion noise of a certain type of diesel engine under idling conditions was carried out. In the test, by changing the calibration values of the engine, such as: pre-injection mass, rail pressure and other calibration parameters, the cylinder pressure at idle speed of the engine is calculated based on the theory of cylinder force. It is concluded that when the rotational speed is 750r/min, the increase of the pre-injection amount and the rail pressure leads to an increase in the mean value of the combustion parameters of each cylinder force stage and is concentrated in the high frequency part. This study provides a reference for optimizing the idling noise of diesel engines, which is conducive to reducing noise pollution in life.
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Dissertations / Theses on the topic "Diesel Engine Calibration"

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Hudson, James W. "Development and calibration of a torsional engine model for a three-cylinder, two-stroke diesel engine." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1997. http://handle.dtic.mil/100.2/ADA343145.

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Thesis (M.S. in Mechanical Engineering) Naval Postgraduate School, December 1997.
"December 1997." Thesis advisor(s): Knox T. Millsaps, Jr. Includes bibliographical references (p. 57-58). Also available online.
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Yin, Xuefei. "Application of multidisciplinary design optimisation to engine calibration optimisation." Thesis, University of Bradford, 2012. http://hdl.handle.net/10454/5630.

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Automotive engines are becoming increasingly technically complex and associated legal emissions standards more restrictive, making the task of identifying optimum actuator settings to use significantly more difficult. Given these challenges, this research aims to develop a process for engine calibration optimisation by exploiting advanced mathematical methods. Validation of this work is based upon a case study describing a steady-state Diesel engine calibration problem. The calibration optimisation problem seeks an optimal combination of actuator settings that minimises fuel consumption, while simultaneously meeting or exceeding the legal emissions constraints over a specified drive cycle. As another engineering target, the engine control maps are required as smooth as possible. The Multidisciplinary Design Optimisation (MDO) Frameworks have been studied to develop the optimisation process for the steady state Diesel engine calibration optimisation problem. Two MDO strategies are proposed for formulating and addressing this optimisation problem, which are All At Once (AAO), Collaborative Optimisation. An innovative MDO formulation has been developed based on the Collaborative Optimisation application for Diesel engine calibration. Form the MDO implementations, the fuel consumption have been significantly improved, while keep the emission at same level compare with the bench mark solution provided by sponsoring company. More importantly, this research has shown the ability of MDO methodologies that manage and organize the Diesel engine calibration optimisation problem more effectively.
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Palacios, Luis H. (Luis Héctor). "Implementation and calibration of a laser-induced fluorescence system in a diesel engine." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/31073.

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Flärdh, Oscar, and Manne Gustafson. "Mean Value Modelling of a Diesel Engine with Turbo Compound." Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1777.

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Over the last years, the emission and on board diagnostics legislations for heavy duty trucks are getting more and more strict. An accurate engine model that is possible to execute in the engine control system enables both better diagnosis and lowered emissions by better control strategies.

The objective of this thesis is to extend an existing mean value diesel engine model, to include turbo compound. The model should be physical, accurate, modular and it should be possible to execute in real time. The calibration procedure should be systematic, with some degree of automatization.

Four different turbo compound models have been evaluated and two models were selected for further evaluation by integration with the existing model. The extended model showed to be quite insensitive to small errors in the compound turbine speed and hence, the small difference in accuracy of the tested models did not affect the other output signals significantly. The extended models had better accuracy and could be executed with longer step length than the existing model, despite that more complexity were added to the model. For example, the mean error of the intake manifold pressure at mixed driving was approximately 3.0%, compared to 5.8% for the existing model. The reasons for the improvements are probably the good performance of the added submodels and the systematic and partly automatized calibration procedure including optimization.

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Burke, Richard D. "Investigation into the interactions between thermal management, lubrication and control systems of a diesel engine." Thesis, University of Bath, 2011. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.545325.

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Engine thermal and lubricant systems have only recently been a serious focus in engine design and in general remain under passive control. The introduction of active control has shown benefits in fuel consumption during the engine warm-up period, however there is a lack of rigorous calibration of these devices in conjunction with other engine systems. For these systems, benefits in fuel consumption (FC) are small and accurate measurement systems are required. Analysis of both FC and NOx emissions measurements processes was conducted and showed typical errors of 1% in FC from thermal expansion and 2% in NOx per g/kg change in absolute humidity. Correction factors were derived both empirically and from first principles to account for these disturbances. These improvements are applicable to the majority of experimental facilities and will be essential as future engine developments are expected to be achieved through small incremental steps. Using prototype hardware installed on a production 2.4L Diesel engine, methodologies for optimising the design, control and integration of these systems were demonstrated. Design of experiments (DoE) based approaches were used to model the engine behaviour under transient conditions. A subsequent optimisation procedure demonstrated a 3.2% reduction in FC during warm-up from 25°C under iso-NOx conditions. This complemented a 4% reduction from reduced oil pumping work using a variable displacement pump. A combination of classical DoE and transient testing allowed the dynamic behaviour of the engine to be captured empirically when prototype hardware is available. Furthermore, the enhancement of dynamic DoE approaches to include the thermal condition of the engine can produce models that, when combined with other available simulation packages, offer a tool for design optimisation when hardware is not available. These modelling approaches are applicable to a wide number of problems to evaluate design considerations at different stages of the engine development process. These allow the transient thermal behaviour of the engine to be captured, significantly enhancing conventional model based calibration approaches.
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Meyer, Jason. "Calibration reduction in internal combustion engine fueling control: modeling, estimation and stability robustness." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306682834.

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Maringanti, Rajaram Seshu. "INVERSE-DISTANCE INTERPOLATION BASED SET-POINT GENERATION METHODS FOR CLOSED-LOOP COMBUSTION CONTROL OF A CIDI ENGINE." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1253553419.

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König, Johan. "Cylinder-Pressure Based Injector Calibration for Diesel Engines." Thesis, KTH, Reglerteknik, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105885.

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One way of complying with future emission restrictions for diesel engines is to use pressure sensors for improved combustion control. Implementation of pressure sensors into production engines would lead to new possibilities for fuel injection monitoring where one potential use is injector calibration. The scope of this thesis is to investigate the possibility of using pressure sensors for finding the minimal energizing time necessary for fuel injection. This minimal energizing time varies over the injector's lifetime and therefore requires a re-calibration. The necessary energizing time can be found by estimating the injected fuel mass at dierent rail-pressures during a calibration state operating under specific engine conditions. Two dierent approaches based onin-cylinder pressure were used for fuel mass estimation. The result is based on a comparison to a non pressure based production line calibration function. Both fuel mass estimations show a correlation with convincingly accuracy for calibration use but with the possibility of further improvements. One approach is shown to be less sensitive to signal osets but more sensitive to noise. The oset sensitiveness can be reduces by changing measurement positions depending on user requirements. Compensations for energy losses depending on engine speed and cylinder dierences are shown to be necessary for calibration accuracy. Moreover are both injected fuel mass and rail-pressure shown to influence the combustion.
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Kianifar, Mohammed R., I. Felician Campean, T. Beattie, and D. Richardson. "Analytical Target Cascading Framework for Diesel Engine Calibration Optimisation." 2014. http://hdl.handle.net/10454/10915.

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This paper presents the development and implementation of an Analytical Target Cascading (ATC) Multi-disciplinary Design Optimisation (MDO) framework for the steady state engine calibration optimisation problem. The case is made that the ATC offers a convenient framework for the engine calibration optimisation problem based on steady state engine test data collected at specified engine speed / load points, which is naturally structured on 2 hierarchical levels: the ‘Global’ level, associated with performance over a drive cycle, and ‘Local’ level, relating to engine operation at each speed / load point. The case study of a diesel engine was considered to study the application of the ATC framework to a calibration optimisation problem. The paper describes the analysis and mathematical formulation of the diesel engine calibration optimisation as an ATC framework, and its Matlab implementation with gradient based and evolutionary optimisation algorithms. The results and performance of the ATC are discussed comparatively with the benchmark steady state solution for the engineering calibration of the diesel engine. The main conclusion from this research is that ATC optimisation framework offers an effective approach for engine calibration, with a potential to deliver significant fuel economy benefits. Further advantages of the ATC framework is that it is flexible and scalable to the complexity of the calibration problem, and enables calibrator preference to be incorporated a priori in the optimisation problem formulation, delivering important time saving for the overall calibration development process.
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Lin, Ying-wei, and 林英瑋. "Control Parameter Calibration of a Common-rail Diesel Engine Fueled with Biodiesel." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/57980642976030758439.

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碩士
國立臺灣科技大學
機械工程系
101
Biodiesel is an attractive alternative energy because its characteristic of renewable, biodegradable, could be used in pure form or blended with petroleum diesel and could reduce toxic emission. But the different in composition of biodiesel and petroleum diesel greatly influenced the combustion process. If we want to use biodiesel as fuel of diesel engine, we should change the control strategy for maintaining the engine performance.The purpose of this study is to determine the optimal engine decision-making for petroleum diesel (D100) and biodiesel (B100). Parameters of the engine such as injection timing, injection duration, common-rail fuel pressure and exhaust gas recirculation (EGR) are fine-tuned using the MotoTron Control System so as to optimize the engine performance based on the results from the engine dyno tests. Combustion analysis is conducted via the measurement of cylinder pressure measurement. The main goal is to find the balance between engine torque and emission to optimize the engine.
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Books on the topic "Diesel Engine Calibration"

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Hudson, James W. Development and calibration of a torsional engine model for a three-cylinder, two-stroke diesel engine. Monterey, Calif: Naval Postgraduate School, 1997.

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Development and Calibration of a Torsional Engine Model for a Three- Cylinder, Two-Stroke Diesel Engine. Storming Media, 1997.

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Book chapters on the topic "Diesel Engine Calibration"

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Lygoe, Robert J., Mark Cary, and Peter J. Fleming. "A Many-Objective Optimisation Decision-Making Process Applied to Automotive Diesel Engine Calibration." In Lecture Notes in Computer Science, 638–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17298-4_72.

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Jung, Tom, Matthias Kötter, Joschka Schaub, Carole Quérel, Silja Thewes, Hassen Hadj-amor, Marcel Picard, and Sung-Yong Lee. "Engine-in-the-Loop: A Method for Efficient Calibration and Virtual Testing of Advanced Diesel Powertrains." In Proceedings, 209–24. Wiesbaden: Springer Fachmedien Wiesbaden, 2019. http://dx.doi.org/10.1007/978-3-658-25294-6_12.

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Sharifian, L., C. Manetas, F. A. Lafossas, A. Mohammadi, K. Yoshida, and G. Koltsakis. "Chapter 15. Development of Combined NSR DeNOx and DeSOx Model and Application for Control Strategy Pre-calibration of a Modern Diesel Engine." In Catalysis Series, 430–66. Cambridge: Royal Society of Chemistry, 2018. http://dx.doi.org/10.1039/9781788013239-00430.

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van Keulen, Thijs, Gert-Jan van der Heijden, and Chris Criens. "Systematic calibration procedure for the air path control of diesel engines." In Proceedings, 365–79. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-05016-0_21.

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Carlucci, A. P., A. Ficarella, D. Laforgia, and L. Strafella. "Design and Calibration Strategies for Improving HCCI Combustion in Dual-Fuel Diesel–Methane Engines." In Energy, Environment, and Sustainability, 267–96. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3307-1_10.

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Belgiorno, Giacomo, Gabriele Di Blasio, and Carlo Beatrice. "Advances of the Natural Gas/Diesel RCCI Concept Application for Light-Duty Engines: Comprehensive Analysis of the Influence of the Design and Calibration Parameters on Performance and Emissions." In Energy, Environment, and Sustainability, 251–66. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3307-1_9.

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Xin, Qianfan. "Combustion, emissions, and calibration for diesel engine system design." In Diesel Engine System Design, 462–502. Elsevier, 2013. http://dx.doi.org/10.1533/9780857090836.2.462.

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Mocerino, Luigia, Vincenzo Piscopo, and Antonio Scamardella. "Sensitivity Analysis of a Marine Gasoline Engine: From Power to Emissions." In Progress in Marine Science and Technology. IOS Press, 2022. http://dx.doi.org/10.3233/pmst220026.

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Numerical simulations currently represent a valid aid to assess the performance of marine engines. Anyway, most of past applications generally focused on large supercharged 4-stroke diesel engines, while few results are available in the literature for fast outboard engines, generally installed onboard recreational crafts. Therefore, a case study on a fast outboard diesel engine (4T, 6300 rpm, 350 hp) is currently provided and discussed. The simulations are performed in the Ricardo Wave environment, where NOX and CO emissions are estimated, in addition to the typical engine performances. The data, required for the model calibration, were obtained from the engine manufacturer datasheets, as well as from a set of available sea trials. Nevertheless, not all parameters were available, so as some of them were selected based on past experience or in accordance with similarly sized diesel engines, after performing a preliminary sensitivity analysis. As concerns the assessment of NOX and CO emissions, different simulation methods are embodied to assess the chemical equilibrium in the combustion chamber and investigate the relevant incidence in terms of time effort amount, and estimated results. Current simulations reveal to be also useful to model dual fuel (gasoline/natural gas) engines and evaluate the impact of this type of alternative plant on consumption and air emissions.
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Conference papers on the topic "Diesel Engine Calibration"

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Malikopoulos, Andreas A., Dennis N. Assanis, and Panos Y. Papalambros. "Real-Time, Self-Learning Optimization of Diesel Engine Calibration." In ASME 2007 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/icef2007-1603.

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Compression ignition engine technologies have been advanced in the last decade to provide superior fuel economy and high performance. These technologies offer increased opportunities for optimizing engine calibration. Current engine calibration relies on deriving static tabular relationships between a set of steady-state operating points and the corresponding optimal values of the controllable variables. The values of these tabular relationships are interpolated to provide values of the controllable variables for each operating point while the engine is running. These values are controlled by the electronic control unit to achieve desirable engine behavior, for example in fuel economy, pollutant emissions, and engine acceleration performance. These strategies, however, are less effective during transient operation. Use of learning algorithms is an alternative approach that treats the engine as an “autonomous” system, namely, one capable of learning its optimal calibration for both steady-state and transient operating points in real time. In this approach, while the engine is running the vehicle, it progressively perceives the driver’s driving style and eventually learns to operate in a manner that optimizes specified performance indices. Major challenges to this approach are problem dimensionality and learning time. This paper examines real-time, self-learning calibration of a diesel engine with respect to two controllable variables, i.e., injection timing and VGT vane position, to minimize fuel consumption. Some promising simulation-based results are included.
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Maroteaux, Damien. "Virtual Chassis Dyno for Diesel Engine Tuning and Calibration." In 14th International Conference on Engines & Vehicles. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2019. http://dx.doi.org/10.4271/2019-24-0076.

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Brahmi, El Hassane, Liliane Denis-Vidal, Zohra Cherfi, and Nassim Boudaoud. "Statistical modeling and optimization for diesel engine calibration." In IECON 2009 - 35th Annual Conference of IEEE Industrial Electronics (IECON). IEEE, 2009. http://dx.doi.org/10.1109/iecon.2009.5414811.

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Schaberg, Paul, and Christopher Atkinson. "Calibration Optimization of a Heavy-Duty Diesel Engine with GTL Diesel Fuel." In SAE 2016 World Congress and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2016. http://dx.doi.org/10.4271/2016-01-0622.

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5

Yoshida, Shozo, Masato Ehara, and Yukio Kuroda. "Rapid Boundary Detection for Model Based Diesel Engine Calibration." In SAE 2011 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2011. http://dx.doi.org/10.4271/2011-01-0741.

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6

Kianifar, Mohammed Reza, Felician Campean, Tim Beattie, and David Richardson. "Analytical Target Cascading Framework for Diesel Engine Calibration Optimisation." In SAE 2014 International Powertrain, Fuels & Lubricants Meeting. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2014. http://dx.doi.org/10.4271/2014-01-2583.

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7

Yang, Kuo, and Pingen Chen. "Control-Oriented Model Development and Experimental Validation for a Modern Diesel Engine." In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3317.

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Abstract Modern Diesel engines have become highly complex multi-input multi-output systems. Controls of modern Diesel engines to meet various requirements such as high fuel efficiency and low NOx and particulate matter (PM) emissions, remain a great challenge for automotive control community. While model-based controls have demonstrated significant potentials in achieving high Diesel engine performance. Complete and high-fidelity control-oriented Diesel engine models are much needed as the foundations of model-based control system development. In this study, a semi-physical, mean-value control-oriented model of a turbocharged Diesel engine equipped with high-pressure exhaust gas recirculation (EGR) and variable geometry turbocharger (VGT) is developed and experimentally validated. The static calibration of Diesel engine model is achieved with the least-square optimization methodology using the experimental test data from a physical Diesel engine platform. The normalized root mean square errors (NRMSEs) of the calibration results are in the range of 0.1095 to 0.2582. The cross-validation results demonstrated that the model was capable of accurately capturing the engine torque output and NOx emissions with the control inputs of EGR, VGT and Start of Injection timing (SOI) in wide-range operating conditions.
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8

Gokhale, Manoj, Bhaskar Tamma, Roy J. Primus, and Benzi John. "SFC Benefit With Split Injection in Two-Stroke Diesel Engine." In ASME 2009 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/ices2009-76022.

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The influence of split-injection on engine performance is studied using system and in-cylinder simulation of a two-stroke medium speed diesel engine. System level models for the engine and fuel system and a multi-dimension CFD model for the combustion chamber were developed and calibrated with experimental data. Calibration of these models from the available test data is discussed and calibration results are presented. The SFC and NOx predictions show good sensitivity to injection timing variation. These calibrated models were then used to simulate split injection through the modification of the fuel injector. Split injection achieved through this modification results in fuel savings while maintaining same NOx levels.
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Wei, Yifan, Lakshmidhar R. Uppalapati, and Bruce Vernham. "Use of Predictive Engine and Emission Model for Diesel Engine Model Based Calibration." In 2019 JSAE/SAE Powertrains, Fuels and Lubricants. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2019. http://dx.doi.org/10.4271/2019-01-2227.

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10

Millo, Federico, Pranav Arya, and Fabio Mallamo. "Optimization of Automotive Diesel Engine Calibration Using Genetic Algorithm Techniques." In 10TH International Conference on Sustainable Energy and Environmental Protection. University of Maribor Press, 2017. http://dx.doi.org/10.18690/978-961-286-062-2.3.

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