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Viewing 121 to 150 of 201
2011-10-18
Collection
This collection features 9 technical papers describing the progress in new engine concepts relating to both airbreathing and non-airbreathing configurations. This collection features 9 technical papers describing the progress in new engine concepts relating to both airbreathing and non-airbreathing configurations.
2011-10-18
Collection
The collection features 19 technical papers covering power electronics, generators, motors, power conversion, power distribution, power management and related power utilization areas related to commercial aircraft and unmanned vehicles electrical power generation, power management/power distribution, control & protection corona and arc fault detection, power conversion/conditioning, fuel cells, energy storage – batteries/ultracapacitors, and other related issues. The collection features 19 technical papers covering power electronics, generators, motors, power conversion, power distribution, power management and related power utilization areas related to commercial aircraft and unmanned vehicles electrical power generation, power management/power distribution, control & protection corona and arc fault detection, power conversion/conditioning, fuel cells, energy storage – batteries/ultracapacitors, and other related issues.
2011-09-13
Collection
The 10 papers in this technical paper collection cover all system-level engine technologies and design/analysis/testing techniques related to engine system design. Coverage includes the areas of emissions, fuel economy, combustion, calibration/control, fuel systems, valvetrain integration, thermodynamic cycles, air/charging systems, EGR systems, and engine brakes. It also includes system-level integration issues for the engine/powertrain, and steady-state/transient performance for on/off-road and heavy/light-duty applications.
2011-09-13
Collection
The combination of internal combustion engines and electric/hydraulic motors in hybrid powertrains requires architectural and functional changes of the drive train as well as its sophisticated energy management. The 8 papers in this technical paper collection discuss the latest developments in regard to energy recuperation and storage (hydraulic, electric), power train architectures, control systems, combustion engine strategies (including exhaust emissions related aspects and certification), and vehicle application.
2011-09-13
Collection
The 12 papers in this technical paper collection discuss technologies that address the treatment of engine exhaust emissions to meet commercial vehicle requirements. The scope covers developments in catalysis, materials, controls, and integration with the complete engine/vehicle system.
2011-04-12
Collection
The 34 papers in this technical paper collection focus on advanced hybrid vehicle powertrains. Topics covered include: design and development of a hybrid engine powered fuel efficient urban car; alternative plug in hybrid electric vehicle utility factors; on board jump start for belted alternator starter hybrids; weather, traffic and road condition impact on velocity profile using real world data; development of parallel hybrid system for RWD vehicle; and more.
2011-04-12
Collection
Fuel cell hybrid electric propulsion for automotive applications has the highest potential to offer both zero emissions and long range vehicles while being able to 100 percent refuel in a matter of minutes. The 11 papers in this technical paper collection cover advances in fuel cell powertrain power density; cold start optimization; hydrogen storage and fueling simulation. Modeling, simulation and testing of PEM fuel cell components and systems are also covered.
2011-04-12
Collection
The 11 papers in this technical paper collection cover development of integrated modular motor drive; a current source inverter based motor drive for EV/HEV applications; high power density motor and inverter for RWD hybrid vehicles; wireless power transfer for electric vehicles; and more.
2011-04-12
Collection
The 5 papers in this technical paper collection cover natural gas engines and vehicles. Topics include: sliding mode control of air path in diesel-dual-fuel engine; optimization of natural gas automotive engine cooling jacket using CFD analysis; waste coke oven gas used as a potential fuel for engines; and more.
2011-04-12
Collection
Trends of ever increasing power density, better fuel economy and reduced emissions are increasing focus on turbocharging/supercharging and turbochargers/superchargers, as part of overall engine system optimization. Also, Increased amounts of EGR and use of aftertreatment devices present challenges. The 8 papers in technical paper collection cover conceptual, modeling and experimental studies relating to advanced turbochargers/superchargers and advanced boosting systems to respond to these challenges.
2011-04-12
Collection
The 44 papers in this technical paper collection focus on transmissions and drivelines. Topics include: hybrid powertrain concepts; selection and optimization of electric motors for hybrid powertrains; energy management techniques; modeling and duty cycle acquisition of hybrid powertrains; modeling and simulation of transmission and driveline components; automotive transmissions of different types, their enhancements and controls; transmission noise, vibration, and harshness (NVH) issues and design solutions; and components/subsystems.
2011-04-12
Collection
The 19 papers in this technical paper collection detail new CI and SI engines and components. Topics include: development of a timing chain drive model for a high speed gasoline engine; optical piston temperature in an internal combustion engine; high efficiency internal combustion stirling engine development; a filtration system for high-pressure loop EGR; a high performance, continuously variable engine intake manifold; and more.
2011-04-12
Collection
The 24 papers in this technical paper collection detail powertrain control and optimization. Topics include: fuzzy knock control of diesel-dual-fuel engine; sliding sector mode control with linear parameter varying diesel engine model; optimizing 12 volt start - stop for conventional powertrains; open source rapid prototyping environment; and more.
2011-04-12
Collection
The 10 papers in this technical paper collection discuss high efficiency IC engines. Topics include: fuel reactivity controlled compression ignition (RCCI) combustion in light- and heavy-duty engines; fuel effects on reactivity controlled compression ignition (RCCI) combustion at low load; advantages of variable compression ratio in internal combustion engines; piston and valve deactivation for improved part load performances of internal combustion engines; and more.
2011-04-12
Collection
The 18 papers in this technical paper collection are devoted to experimental and computational work in the area of diesel fuel injection systems and sprays. Topics include: spray characterization, cavitation, multi-phase jet modeling, CFD models for spray processes, wall films and impingement, hydraulic circuit analysis, and dissolved gas effects.
2011-04-12
Collection
The 13 papers in this technical paper collection focus on diesel engine exhaust aftertreatment system models as well as their validation and application. Technologies covered include DOC, DPF, LNT, SCR, and hybrid or combined catalysts. Modeling aspects range from fundamental, 3D models of individual components to system level simulation, optimization, and control.
2011-04-12
Collection
The 57 papers in this technical paper collection cover various aspects of system durability and system integration pertaining to diesel exhaust emissions control. Topics covered include exhaust catalysts and particulate filters, mechanisms of their performance degradation and possible mitigation strategies, data from the field tests, analysis of the aged catalysts, laboratory and accelerated on-engine aging studies, along with relevant experimental tools and methodology.
2011-04-12
Collection
The 15 papers in this technical paper collection focus on combustion control. Topics covered include: knock detection and estimation based on heat release strategies; development of low pressure loop EGR system for diesel engines; real-time combustion phase optimization of a PFI gasoline engine; optimal feedback control with in-cylinder pressure sensor under engine start conditions; and more.
2011-04-12
Collection
The 18 papers in this technical paper collection discuss mixing-controlled CI combustion. Topics include: biodiesel and diesel spray combustion in a high-pressure and high-temperature environment; diesel engine combustion size scaling at medium load without EGR; mitigating regulated emissions in modern MDI diesel engines; sprayers design improvement of the diesel injectors; and more.
2011-04-12
Collection
The 18 papers in this technical paper collection cover direct injection SI engine technology. Topics include: GDi multi-hole injector internal flow and spray analysis; European lean gasoline direct injection vehicle benchmark; measures to reduce particulate emissions of gasoline direct injection engines; high frequency ignition system for gasoline direct injection engines; and more.
2011-04-12
Collection
The16 papers in this technical paper collection focus on combustion technologies in both 4-stroke and 2-stroke engines characterized by 1) ignition by an external energy source that serves to control combustion phasing, and 2) a combustion rate that is limited by flame propagation. Gasoline as well as alternative fuels such as ethanol, CNG, and blends are considered. Topics include studies of mixture formation, ignition, knock, engine efficiency, flame propagation, and emissions formation.
2011-04-12
Collection
Battery Mechanics address the interest and need in the understanding of mechanics of the high voltage, high power density batteries and the technologies for vehicle integration. The 7 papers in this technical paper collection cover topics such as crash/impact performance, modal performance, durability and reliability performance, thermal performance, battery packs and vehicle integration in electric or hybrid-electric vehicles (EV or HEV or PHEV), multi-disciplinary performance optimization, and robust optimization.
2011-04-12
Collection
The 23 papers in this technical paper collection cover multi-dimensional engine modeling. Topics include: numerical study of diesel combustion regimes; a comprehensive numerical study of diesel fuel spray formation with open FOAM; optimization of injection strategies to reduce emission for 2-cycle engine; LES calculations of a four cylinder engine; effect of turbulence boundary conditions to CFD simulation; and more.
2011-04-12
Collection
The 23 papers in this technical paper collection cover kinetically controlled CI combustion including HCCI. Topics include: high load HCCI operation using different valving strategies in a naturally-aspirated gasoline HCCI engine; HCCI combustion engine system fueled wit ethanol reformed gases; bridging the gap between HCCI and SI: spark-assisted compression ignition; numerical investigation of HCCI combustion in an IDI type diesel engine fueled with isooctane; characterizing the influence of EGR and fuel pressure on the emissions in low temperature diesel combustion; and more.
2011-04-12
Collection
The 9 paper in this technical paper collection present work investigating the effect of fuel composition on CI engine performance in terms of combustion efficiency, emissions and engine hardware durability. Variations in fuel composition include the inclusion of aromatic compounds, the blending of oxygenated components and the use of additives for cetane number improvement and lubricity enhancement.
2010-10-19
Collection
The 7 papers in this technical paper collection focus on kinetically controlled combustion and HCCI.
2010-10-19
Collection
The 12 papers in this technical paper collection are devoted to experimental and numerical investigations in the area of fuel injection systems and sprays in both spark ignition and compression ignition engines. Topics include spray geometry characterization, fuel atomization, optical diagnostic techniques, and fuel effects.
2010-10-19
Collection
This technical paper collection contains 7 papers focusing on the impact of conventional alternative fuels as well as fuel additives on the operation, performance, and emissions of SI engines. Papers cover the impact bio-derived fuels (ethanol, butanol and others) have on engine design and performance. Gasoline properties, additives and their impact on engine performance and deposits is also covered.
2010-10-19
Collection
This technical paper collection features 9 papers covering hybrid system modeling and architecture. Topics include pneumatic, thermoelectric, flywheel systems, and plug-in hybrid electric systems.
2010-10-12
Collection
The 9 papers in this technical paper collection provide information for developing systemic electronic solutions for value vehicles with global application. Particular emphasis is given to delivering safe and green content as well as how alternative business models and partnerships can deliver.
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