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diesel engine IEEE PAPERS AND IEEE PROJECTS



Mechanism of soot and NOx emission reduction using multiple-injection in a diesel engine
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ABSTRACT Engine experiments have shown that with highpressure multiple injections (two or more injection pulses per power cycle), the soot-NOx trade-off curves of a diesel engine can be shifted closer to the origin than those with the conventional single-pulse injections,

Diesel engine combustion and its modeling
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ABSTRACT This paper reviews the phenomenological mechanism of diesel combustion and phenomenological combustion modeling. Several equations which express the basic components of diesel combustion are discussed. These include spray penetration, spray

The effect of TDC temperature and density on the liquid-phase fuel penetration in a DI diesel engine
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ABSTRACT A parametric study of the liquid-phase fuel penetration of evaporating Diesel fuel jets has been conducted in a direct--injection Diesel engine using laser elastic-scatter imaging. The experiments were conducted in an optically accessible Diesel engine of the"

The effect of biodiesel composition on engine emissions from a DDC series 60 diesel engine
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Summary The National Renewable Energy Laboratory (NREL) is conducting an investigation of various biodiesel fuels produced from waste oils. As a part of this study, data on emissions on the Environmental Protection Agency (EPA) heavy-duty transient cycle

The impact of exhaust gas recirculation on performance and emissions of a heavy-dutydiesel engine
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ABSTRACT This work studies the complex interactions resulting from the application and control of Exhaust Gas Recirculation (EGR) on a production heavy-duty diesel engine system, and its effectiveness in reducing NOx emissions. The coupling between EGR, the

Neural network-based diesel engine emissions prediction using in-cylinder combustion pressure
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ABSTRACT This paper explores the feasibility of using in-cylinder pressure-based variables to predict gaseous exhaust emissions levels from a Navistar T444 direct injection diesel engine through the use of neural networks. The networks were trained using in-cylinder

Achieving lower exhaust emissions and better performance in an HSDI diesel engine with multiple injection
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Abstract The effects of multiple injection on exhaust emissions and performance in a small HSDI (High Speed Direct Injection) Diesel engine are investigated. It is possible to increase the maximum torque, which is limited by the exhaust smoke number, while decreasing the

), and direct integration with detailed chemistry combustion models against optical diagnostic data for multi-mode combustion in a heavy-duty DI diesel engine
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Abstract Three different approaches for modeling diesel engine combustion are compared against cylinder pressure, NOx emissions, and simultaneous optical diagnostic images from a heavy-duty, DI diesel engine. A characteristic time combustion (KIVA-CTC) model, a

Lean and rich premixed compression ignition combustion in a light-duty diesel engine
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ABSTRACT Lean premixed compression ignition low-temperature combustion promises to simultaneously reduce NOx and PM emissions while suffering a moderate penalty in fuel consumption. Similarly, opportunities exist to develop rich combustion strategies which

Evaluation of a narrow spray cone angle, advanced injection timing strategy to achieve partially premixed compression ignition combustion in a diesel engine
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ABSTRACT Simultaneous reduction of nitric oxides (NOx) and particulate matter (PM) emissions is possible in a diesel engine by employing a Partially Premixed Compression Ignition (PPCI) strategy. PPCI combustion is attainable with advanced injection timings

In-cylinder fuel blending of gasoline/diesel for improved efficiency and lowest possible emissions on a multi-cylinder light-duty diesel engine
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ABSTRACT In-cylinder fuel blending of gasoline/diesel fuel is investigated on a multi- cylinder light-duty diesel engine as a potential strategy to control in-cylinder fuel reactivity for improved efficiency and lowest possible emissions. This approach was developed and

Model-based closed-loop control of urea SCR exhaust aftertreatment system for diesel engine
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ABSTRACT Based on our error budget analysis, the urea SCR aftertreatment system is uncontrollable under EPA 2007-emission level without an effective closed-loop control strategy. The objective of the closed-loop control is to improve transient response as well

Effects of cerium oxide nanoparticle addition in diesel and diesel biodiesel ethanol blends on the performance and emission characteristics of a CI engine
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ABSTRACT An experimental investigation is carried out to establish the performance and emission characteristics of a compression ignition engine while using cerium oxide nanoparticles as additive in neat diesel and diesel-biodiesel-ethanol blends. In the first

Effects of direct water injection on DI diesel engine combustion
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ABSTRACT The effects of in-cylinder water injection on a direct injection (DI) Diesel engine were studied using a computational fluid dynamics (CFD) program based on the Kiva-3v code. The spray model is validated against experimental bomb data with good agreement

Effects of fuel physical properties on diesel engine combustion using diesel and bio-diesel fuels
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ABSTRACT A computational study using multi-diemsional CFD modeling was performed to investigate the effects of physical properties on diesel engine combustion characteristics with bio-diesel fuels. Properties of typical bio-diesel fuels that were either calculated or

Effect of exhaust gas recirculation (EGR) on the performance and emission characteristics ofdiesel engine with sunflower oil methyl ester
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Abstract Transesterified fuels (biodiesel) from vegetable oils are alternative fuels for diesel engines. They are renewable and offer potential reduction in CO and HC emissions due to higher O2 contents in vegetable oil. Many research studies have reported that exhaust

Dynamic behavior of a high-speed, direct-injection diesel engine
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ABSTRACT Many Diesel engine development programs concentrate almost exclusively on steady state investigations to benchmark an engines performance. In reality, the interaction of an engine's sub-systems under transient evaluation is very different from that evident

Closed-loop start of combustion control utilizing ionization sensing in a diesel engine
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ABSTRACT This paper describes the technique of in-cylinder ionization sensing in a common rail diesel engine. The technology detects in real time, the start of combustion for both pilot and main combustion enabling the fuel control strategy to change from open to

Review of thermodynamic diesel engine simulations under transient operating conditions
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ABSTRACT Study and modeling of transient operation is an important scientific objective. This is due to the fact that the majority of daily vehicle driving conditions involve transient operation, with non-linear situations experienced during engine transients. Thus, proper

Multi-objective optimization of diesel engine emissions and fuel economy using genetic algorithms and phenomenological model
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ABSTRACT In this paper, the simulation of the multi-objective optimization problem of a diesel engine is performed using the phenomenological model of a diesel engine and the genetic algorithm.target purpose functions are Specific fuel consumption, NOx, and

targeting to minimize soot and CO formation in premixed charge compression ignition (PCCI) combustion with a HSDI diesel engine
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targeting on exhaust emissions, especially soot and carbon monoxide (CO) formation, were investigated in a single-cylinder, high-speed, direct-injection (HSDI) diesel engine.targeting was examined by sweeping the start-ofinjection

Effects of biodiesel blending on particulate and polycyclic aromatic hydrocarbon emissions in nano/ultrafine/fine/coarse ranges from diesel engine
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Abstract The influences of different blending percentages of biodiesel on the size distributions of particulate matter (PM) and polycyclic aromatic hydrocarbons (PAHs) are not well known. In this study, commercial pure petroleum-based diesel (D100) and three

Diesel engine cold start noise improvement
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ABSTRACT The European as well as US market share of modern Diesel engines has increased significantly in recent years, due to their excellent torque and performance behavior combined with low fuel consumption. The overall improved noise and vibration

Effect of variable geometry turbine (VGT) on diesel engine and vehicle system transient response
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ABSTRACT Variable geometry turbines (VGT) are of particular interest to advanced diesel powertrains for future conventional trucks, since they can dramatically improve system transient response to sudden changes in speed and load, characteristic of automotive

Performance Evaluation of a Biodiesel (Rice-Bran Oil Methyl Ester) Fuelled Transport Diesel Engine
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ABSTRACT This experimental study was undertaken to investigate the use of vegetable oil derivatives to substitute mineral diesel fuel. Straight vegetable oils pose some problems like injector coking, carbon deposits etc., when used as a fuel in an engine. These problems

Reduction of heavy duty diesel engine emission and fuel economy with multi-objective genetic algorithm and phenomenological model
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ABSTRACT In this study, a system to perform a parameter search of heavy-duty diesel engines is proposed. Recently, it has become essential to use design methodologies including computer simulations for diesel engines that have small amounts of NOx and

A methodology for cycle-by-cycle transient heat release analysis in a turbocharged direct-injection diesel engine
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ABSTRACT This study presents a systematic methodology for performing transient heat release analysis in a diesel engine. Novel techniques have been developed to infer the mass of air trapped in the cylinder and the mass of fuel injected on a cycle-by-cycle basis.

The effect of various dynamic, thermodynamic and design parameters on the performance of a turbocharged diesel engine operating under transient load
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ABSTRACT Thermodynamic, dynamic and design parameters have a significant and often conflicting impact on the transient response of a compression ignition engine. Knowing the contribution of each parameter on transient operation could direct the designer to the

Development of premixed low-temperature diesel combustion in a HSDI diesel engine
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ABSTRACT The pursuit of new combustion concepts or modes is ongoing to meet future emissions regulations and to eliminate or at least to minimize the burden of after treatment systems. In this research, Premixed Low Temperature Diesel Combustion (PLTDC) was

Experimental study of fuel composition impact on PCCI combustion in a heavy-duty diesel engine
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ABSTRACT Premixed Charge Compression Ignition (PCCI) is a combustion concept that holds the promise of combining emission levels of a spark-ignition engine with the efficiency of a compression-ignition engine. In a short term scenario, PCCI would be used in the

Chemiions and nanoparticle formation in diesel engine exhaust
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Abstract. The nanoparticles (diameter 50 nm) emitted by diesel engines have received increasing attention due to their potential health effects. We propose that chemiions generated during combustion play an important role in the formation of these

Multivariable control design for intake flow regulation of a diesel engine using sliding mode
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Abstract: Stringent regulations along with technological advances in materials, high- pressure fuel injection and complex turbo charging systems have rekindled interest in the area of Diesel engines for passenger vehicle applications. A modern Diesel engine is not

Comparision of diesel engine performance and emissions from neat and transesterified cotton seed oil
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Abstract There is an increasing interest in India to search for suitable alternative fuels that are environmental friendly. Environmental concerns and limited amount of petroleum resources have caused interests in the development of alternative fuels for internal

Improving diesel sound quality on engine level and vehicle level-a holistic approach
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ABSTRACT Diesel impulsiveness (so called Diesel knocking) present in the cabin of diesel vehicles is perceived as unpleasant because of its impulsive time structure. JD Power data clearly show the customers preference of vehicles with little Diesel knocking over those

Effect of biodiesel (B-20) on performance and emissions in a single cylinder HSDI diesel engine
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ABSTRACT The focus of this study is to determine the effect of using B-20 (a blend of 20% soybean methyl ester biodiesel and 80% ultra low sulfur diesel fuel) on the combustion process, performance and exhaust emissions in a High Speed Direct Injection (HSDI)

Low-NOx, Low-Smoke Operation of a Diesel Engine Using 'Premixed Enough'Compression Ignition Effects of Fuel Autoignition Quality, Volatility and Aromatic
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Abstract. In diesel engines, fuels that are more resistant to autoignition allow more time for mixing before combustion occurs and help reduce NOx and smoke. The fuel is injected near but before TDC in order to ensure in-cycle control over combustion phasing through

Simulation on the optimum shape and location of urea injector for urea-SCR system of heavy-duty diesel engine to prevent NH3 slip
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ABSTRACT In the past few years, considerable efforts have been directed towards the further development of Urea-SCR (selective catalytic reduction) technique for dieseldriven vehicle. Although urea possesses considerable advantages over Ammonia (NH3) in terms

Using a phenomenological multi-zone model to investigate the effect of injection rate shaping on performance and pollutants of a DI heavy-duty diesel engine
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ABSTRACT The direct injection heavy-duty diesel engine is the main propulsion unit for trucks, lories and other heavyduty vehicles mainly due to its superior efficiency when compared to other existing reciprocating engines. However, this engine suffers from

Using carbon-14 isotope tracing to investigate molecular structure effects of the oxygenate dibutyl maleate on soot emissions from a DI diesel engine
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ABSTRACT The effect of oxygenate molecular structure on soot emissions from a DI diesel engine was examined using carbon-14 (14C) isotope tracing. Carbon atoms in three distinct chemical structures within the diesel oxygenate dibutyl maleate (DBM) were labeled with

Mixture formation and combustion in the DI diesel engine
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ABSTRACT The diesel engine is the most efficient user of fossil fuels for vehicle propulsion and seems to best fulfill the requirements of the future. It is for this reason that Volkswagen

Demonstrating the use of fish oil as fuel in a large stationary diesel engine
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Abstract Approximately 8 million gallons of fish oil are produced annually as a byproduct of Alaskan seafood processing operations. Typically, about 2.8 million gallons of the total production volume is sold into domestic and international commodity markets, with the

Performance of mustard and neem oil blends with diesel fuel in CI engine
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ABSTRACT To study the feasibility of using two edible plant oils mustard (Brassica nigra, as diesel substitute a comparative study on their combustion characteristics on a CI engine were made. Oils

Combustion and knock characteristics of natural gas diesel dual fuel engine
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ABSTRACT In this study, a single cylinder direct injection diesel research engine was modified to operate as the DDF engine. A gas mixer was installed on the intake manifold to supply natural gas to the engine. Test runs of normal and abnormal conditions were

Imaging and post-processing of laser-induced fluorescence from NO in a diesel engine
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Abstract. The imaging of in-cylinder NO distributions in a steadily running optically accessible diesel engine operated on standard diesel fuel is performed by means of the 2DLIF technique and a tunable ArF excimer laser at 193 nm. Simultaneous excitation at

Compacted graphite iron-a material solution for modern diesel engine cylinder blocks and heads
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Abstract: The demands for improved fuel economy, performance and emissions continue to pose challenges for engine designers and the materials they choose. This is particularly true for modern diesel engines, where the primary path to achieving improved engine

Impacts of biodiesel fuel blends oil dilution on light-duty diesel engine operation
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ABSTRACT Increasing interest in biofuels specifically, biodiesel as a pathway to energy diversity and security has necessitated the need for research on the performance and utilization of these fuels and fuel blends in current and future vehicle fleets. One critical

The influence of variable valve actuation on the part load fuel economy of a modern light-dutydiesel engine
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ABSTRACT An investigation has been carried out to identify how variable valve actuation (VVA) can be used to improve the part load fuel economy of a modern light-duty diesel engine. The base engine examined employed a variable geometry turbo-charger (VGT)

Diesel engine performance tests using oil from Jatropha curcas L
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Abstract Oil from seeds of Jatropha curcas L. has potential as a diesel fuel substitute to promote agricultural development in Burkina Faso. Agronomic research since 1985 has established the feasibility of jatropha oil production in Burkina Faso. Transesterification

Appliance of high EGR rates with a short and long route EGR system on a heavy duty diesel engine
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ABSTRACT The goal of this work was to investigate the possibilities of applying high EGR rates with low NOx and PM emission levels on a two-stage turbocharged 12 liter heavy duty diesel engine. The EGR is applied by using a long and short route EGR system. For the

Performance test of IC engine using karanja biodiesel blending with diesel
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ABSTRACT Biodiesel production is a modern and technological area for researchers due to constant increase in the prices of petroleum diesel and environmental advantages. This paper presents a review of the alternative technological methods that could be used to

Jatropha and Karanj bio-fuel: an alternate fuel for diesel engine
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ABSTRACT The bio-diesel was produced from non-edible oils by using bio-diesel processor and the diesel engine performance for water lifting was tested on bio-diesel and bio-diesel blended with diesel. The newly developed bio-diesel processor was capable of preparing

A study of small HSDI diesel engine fuel injection equipment faults using acoustic emission
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SUMMARY Acoustic emission measurements have been carried out on a Perkins T1004-4 high-speed, direct injection diesel engine. This is a turbo-charged four-cylinder engine of approximately 1 litre per cylinder. The AE sensor was attached to the injector body of

Genetic algorithms optimization of diesel engine emissions and fuel efficiency with air swirl, EGR, injection timing and multiple injections
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ABSTRACT The present study extends the recently developed HIDECS-GA computer code to optimize diesel engine emissions and fuel economy with the existing techniques, such as

Quantifying the contribution of lubrication oil carbon to particulate emissions from a diesel engine
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ABSTRACT The contribution of lubrication oil to particulate matter (PM) emissions from a Cummins B5. 9 Diesel engine was measured using accelerator mass spectrometry to trace carbon isotope concentrations. The engine operated at fixed medium load (285 Nm (210 ft

Evaluation of artificial neural network performance in predicting diesel engine NOx emissions
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Abstract Diesel engine is becoming increasing popular due to its high efficiency and durability. Considering the most important greenhouse gas, carbondioxide (CO2), the diesel engine is superior to gasoline engine. Unfortunately, the diesel engine emits high level of

The application of variable event valve timing to a modern diesel engine
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ABSTRACT DaimlerChrysler and Mechadyne have undertaken a piece of work to investigate the opportunities for improving the operation of light duty diesel engines using variable valve timing. The very high compression ratios used in this type of engine make it

Speciated hydrocarbon emissions from an automotive diesel engine and DOC utilizing conventional and PCI combustion
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ABSTRACT Premixed compression ignition low-temperature diesel combustion (PCI) can simultaneously reduce particulate matter (PM) and oxides of nitrogen (NOx). Carbon monoxide (CO) and total hydrocarbon (THC) emissions increase relative to conventional

Performance and emission characteristics of CI engine fuelled with non edible vegetable oil and diesel blends
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Abstract This study investigates performance and emission characteristics of a diesel engine which is fuelled with different blends of jatropha oil and diesel (10-50%). A single cylinder four stroke diesel engine was used for the experiments at various loads and speed of

Performance of a Urea SCR SystemCombined with a PM and Fuel Optimized Heavy-DutyDiesel Engine Able to Achieve the Euro V Emission Limits
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ABSTRACT In order to meet the Euro V heavy-duty diesel emission standard legislation limits, a diesel engine can be optimized by internal means to give low particulate emissions and lower fuel consumption. These modifications of the engine lead inevitably to higher

EGR System in a Turbocharged and Intercooled Heavy-Duty Diesel Engine Expansion of EGR Area with Venturi EGR System
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1. Introduction Diesel emission regulations continue to be tight- ened in many countries, necessitating diesel engines with the least possible emissions. Exhaust gas recircu- lation (EGR) is one of the most effective methods for reducing the emissions of nitrogen oxides (NOx) of diesel

Effect of Speed, Load, and Location on Heat Transfer in a Diesel Engine: Measurements and Predictions
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ABSTRACT An experimental study was conducted to measure the heat transfer in a direct injection 2.3 single cylinder diesel engine. The engine was operated at speeds ranging from 1000 to 2100 RPM and at a variety of loads. The heat transfer was measured using a

System structure and controller concept for an advanced turbocharger system for a turbocharged passenger car diesel engine
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ABSTRACT The present paper focuses on a system and an appropriate controller concept for an advanced air management system of a turbocharged passenger car diesel engine. The proposed air management system consists of a VTG turbocharger, two separate EGR

A semi-empirical model to predict diesel engine combustion parameters
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ABSTRACT To carry out the investigation, a cylinder pressure model was developed based on the position of the crankshaft, engine load, engine speed, and fuel injection time. This model takes into account the maximum number of parameters involved. The accuracy of

Dual-fuel engine fuelled with ethanol and diesel fuel
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Abstract Keywords: ethanol, diesel fuel, thermal efficiency, emissions Investigation of the possibility of dual fuelling of compression ignition (CI) engine with diesel fuel and additionally with ethanol, which is injected into inlet manifold, was carried out. Due to

Effects of cylinder temperature and pressure on ignition delay in direct injection diesel engine
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Ignition delay period in the engine can be arranged with the cylinder temperature and pressure. The engine shows shorter ignition delay than the constant volume bomb. The difference in the ignition delay between them is mainly due to the existence of the piston

Modelling of a diesel engine common rail injection system
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Abstract: This paper is devoted to the modelling of a Diesel Common Rail Injection System. The objective is twofold: to build a simulator which will be used later for the rail pressure control scheme validation, and to get linearized models for control design. A mathematical

Direct comparison of an engine working under otto, miller and diesel cycles: thermodynamic analysis and real engine performance
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ABSTRACT One of the ways to improve thermodynamic efficiency of Spark Ignition engines is by the optimisation of valve timing and lift and compression ratio. The throttleless engine and the Miller cycle engine are proven concepts for efficiency improvements of such

2-D soot imaging in a direct injection diesel engine using laser-induced incandescence
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ABSTRACT Laser-induced incandescence (LIT) is being explored as a diagnostic for qualitatively imaging the distribution of soot in the cylinder of a diesel engine. A high energy light pulse from a frequency doubled Nd: YAG laser is formed into a sheet and introduced

Multiple-input multiple-output model predictive control of a diesel engine
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Abstract: Traditionally, diesel engine control has had to rely on indirect feedback variables and empirical open-loop maps because direct measurements of the variables representing highlevel objectives, such as emissions, have not been available in production engines.

Controller design for a marine diesel engine using membrane computing
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Abstract. This paper presents a method to design an optimal controller for marine diesel engines. First, the control system of marine engine is described. Second, the design is formulated as a special optimization problem. With the explicit weighting values, the

Performance and emission characteristics of diesel engine fueled with ethanol-dieselblends in different altitude regions
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In order to investigate the effects ethanol-diesel blends and altitude on the performance and emissions of diesel engine, the comparative experiments were carried out on the bench of turbo-charged diesel engine fueled with pure diesel (as prototype) and ethanol-diesel

Performance of pre-heated cottonseed oil and diesel fuel blends in a compression ignitionengine
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Abstract Viscosity of vegetable oil is considered a constraint for its use as an alternate fuel for Internal Combustion (IC) engines. In this experimental investigation, the viscosity of cottonseed oil (CSO), which is considered a potential alternate fuel, is reduced by

Swirl effects on mixing and flame evolution in a research DI diesel engine
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ABSTRACT An optically accessible, DI Diesel engine was used to investigate the effect of swirl on fuel-air mixing and flame evolution. Quiescent and swiding conditions were studied at three different fuel-air ratios at an engine speed of 900 RPM. For the mixing studies,

Diesel Injector Deposits-An issue that has evolved with engine technology
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ABSTRACT Diesel engines have traditionally been favoured in heavy-duty applications for their fuel economy, robustness, reliability and relative lack of fuel sensitivity. Recently it has seen a growth in its popularity in light duty applications due particularly to its fuel efficiency

Effect of fuel injection rate on pollutant emissions in DI diesel engine
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ABSTRACT Recent advanced technologies in diesel engine FIE (Fuel Injection Equipment) allow high pressure and multiple injection to be used to reduce particulate emissions without significant penalty in NOx emission. It is also well known that diesel engine particulate

Diesel engine waste heat recovery utilizing electric turbo compound technology
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Real-time nonlinear individual cylinder Air Fuel Ratio observer on a Diesel engine test bench,
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Abstract: We propose an estimator of the individual cylinder air fuel ratios in a turbocharged Diesel Engine using as only sensor the single air fuel ratio sensor placed downstream the turbine. The observer consists of a nonlinear filter designed on a physics-based time-

Combining bootstrap and genetic programming for feature discovery in diesel enginediagnosis
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Feature discovery has played an increasingly important role in knowledge discovery systems due to the rapid development of computer science and information technology It is also one of the main concerns

Carbonyls emission comparison of a turbocharged diesel engine fuelled with diesel, biodiesel, and biodieselediesel blend
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Abstract In order to characterize the carbonyls emissions from a turbocharged, direct injection, and intercooled compression ignition engine, an experimental study was conducted using diesel, biodiesel, and 20% biodiesel-diesel blend as test fuels. Fourteen

Experimental and simulation analysis of the transient operation of a turbocharged multi-cylinder IDI diesel engine
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SUMMARY An experimental and theoretical analysis is carried out to study the response of a multi-cylinder, turbocharged, IDI (indirect injection) compression ignition engine, under transient operating conditions. To this aim, a comprehensive digital computer model is

Experimental validation of extended NO and soot model for advanced HD diesel enginecombustion
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ABSTRACT A computationally efficient engine model is developed based on an extended NO emission model and state-ofthe-art soot model. The model predicts exhaust NO and soot emission for both conventional and advanced, high-EGR (up to 50%), heavy-duty DI

Performance, emission and combustion of LPG diesel dual fuel engine using glow plug
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Abstract A single cylinder vertical air-cooled diesel engine was modified to use LPG in dual fuel mode to study the performance, emission, and combustion characteristics. The primary fuel, liquefied petroleum gas (LPG), was mixed with air, compressed, and ignited by a

Performance and engine roughness of a diesel engine running on stabilized water dieselemulsion
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ABSTRACT An experimental investigation has been carried out to produce a stable diesel/water emulsion fuel and use it in a diesel engine under different operating and design conditions. The use of advanced mixing technique and emulsifying agent enabled the

Controlling the start of combustion on an HCCI Diesel engine
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Abstract:In this paper we propose a control strategy to improve stability of the combustion of HCCI engines during sharp transients. This approach complements existing airpath and fuelpath controllers, and aims at accurately controlling the start of combustion (soc). For

A comprehensive DI diesel combustion model for multidimensional engine simulation
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The results of the verification studies reveal that the individual processes of spray evolution, combustion and pollutant formation are well captured by the mathematical models adopted in FIRE. The application of the code to DI diesel engine simulation provides a detailed

Modal extraction on a diesel engine in operation
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In this paper an output only modal testing and identification of a diesel engine is presented The only loading on the engine is the unknown loading from the engine itself. Two test cases were considered: engine run-up, and engine Run-down. The response data were

Analysis and Control of Noise Emissions of a Small Single-Cylinder DI Diesel Engine
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ABSTRACT Comfort requirements, government regulations as well as consumer action groups are pressing the automotive industry to produce less noisy vehicles than in the past. These circumstances become more and more important for off-road and human operating

Impact of emulsified water/diesel mixture on engine performance and environment
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Abstract An experimental investigation was carried out to produce a stable diesel-water emulsion fuel to be used in a diesel engine under different operating conditions. The proper mixing technique and emulsifying agent were used to produce stable emulsions of 10% to

Impact of biodiesel emission products from a multi-cylinder direct injection diesel engine on particulate filter performance
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ABSTRACT As diesel emission regulations continue to increase, the use of exhaust aftertreatment systems containing, for example the diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) will become necessary in order to meet these stringent

The performance and emissions of a variable compression ratio diesel engine fuelled with bio-diesel from cotton seed oil
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ABSTRACT A methyl ester of cottonseed oil was prepared and blended with diesel in four different compositions varying from 5% to 20% in steps of 5%. Tests were conducted in a single cylinder variable compression ratio diesel engine at a constant speed of 1500 rpm.

Integrated simulation of the engine and control system of a turbocharged diesel engine
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Integrated Simulation of the Engine and Control System of a Turbocharged DieselEngine General Motors Corporation GT-Suite Users Conference Trq (Nm) BMEP (bar) Power (kW) DieselEngine MAF (kg/s) MAP (bar)

Exploring the use of multiple injectors and split injection to reduce DI diesel engine emissions
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ABSTRACT This research uses computational modeling to explore methods to increase diesel engine power density while maintaining low pollutant emission levels. Previous experimental studies have shown that injection-rate profiles and injector configurations

Diagnosing the real performance impact of Diesel engine design parameter variation (A primer in the use of second law analysis)
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ABSTRACT Second law analysis techniques have been developed with a diesel cycle simulation program to provide the capability for quantifying the various loss mechanisms in an engine system. This model is exercised to determine the impact of changes in various

Direct injection of natural gas for diesel engine fueling
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Transient turbulent underexpanded jets are formed when natural gas is directly injected, late in the compression stroke, in the combustion chamber of diesel engines. An analysis of gaseous jets, entering a large chamber at high Reynolds number and at sonic nozzle

Reduction of NOx and soot emission by water injection during combustion in a diesel engine
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The numerical and experimental investigation of NOx and soot emission reduction by 3 methods of water addition to a Diesel engine has been presented. Of the 3 methods, 2 add water in air and one adds water in fuel. The Water-in-Air methods are valve port injection

Active combustion control of Diesel HCCI engine: Combustion timing
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ABSTRACT We propose a model based control strategy to adapt the injection settings according to the air path dynamics on a Diesel HCCI engine. This approach complements existing airpath and fuelpath controllers, and aims at accurately controlling the start of

Influence of palm methyl ester (PME) as an alternative fuel in multicylinder diesel engine
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ABSTRACT Palm oil is one of the vegetable oil, which is converted to biodiesel through a transesterification process using methanol as the catalyst. Palm oil biodiesel or palm methyl ester (PME) can be used in diesel engines without any modification, and can be blended

Effect of oxygenated hydrocarbon additives on exhaust emission of a diesel engine
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ABSTRACT The use of oxygenated fuels seems to be a promising solution for reducing particulate emissions in existing and future diesel motor vehicles. In this work, the influence of the addition of oxygenated hydrocarbons to diesel fuels on performance and emission

Measurements and predictions of steady-state and transient stress distributions in a diesel engine cylinder head
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ABSTRACT A combined experimental and analytical approach was followed in this work to study stress distributions and causes of failure in diesel cylinder heads under steadystate and transient operation. Experimental studies were conducted first to measure

Performance and emissions of a small agricultural diesel engine fueled with 100% vegetable oil: effects of fuel type and elevated inlet temperature
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Abstract: The paper presents the results of a research project to evaluate performance and emissions of a small direct injection, naturally aspirated, agricultural diesel engine using vegetable oils. Semi-refined palm and soybean oils were solely used as fuel. The two

diesel engine speed control



Speed control system on marine diesel engine based on a self-tuning fuzzy PID controller
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Abstract: The degree of speed control of ship machinery effects on the economics and optimization of the machinery configuration and operation. All marine vessel ranging need some sort of speed control system to control and govern the speed of the marine diesel

Experimental investigation of thermal load in high speed direct injection diesel engine under the control of various engine performance parameters
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Multiple injection strategies are being widely utilized to reduce the vibration, noise, and particle emission in diesel engines. A considerable amount of research related to attempts to increase the maximum power and to reduce vibration, noise, and particulate matters has

EFFECT OF EGR RATIO TO CONTROL PARTICULATE MATTER EMISSION FROM DIESEL ENGINE COMBUSTION BY USING HIGH–SPEED COMBUSTION
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ABSTRACT Diesel engine attracts market attention due to its high thermal efficiency among other IC engine. To design diesel engines adapted to future exhaust gas regulations, it is important to develop a driving mode simulator to estimate vehicle performance and

Hardware-in-Loop Simulation Technology of High-Pressure Common-Rail Electronic ControlSystem for Low-Speed Marine Diesel Engine
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Oil price is increasing rapidly due to the oil reserve limited as a non-renewable resource. The proportion of the fuel cost rises in the total operating costs of ocean transportation companies. Compared with those from vehicles, the emissions of NOX and SOX from


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