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Viewing 211 to 240 of 169652
Event
2014-11-20
This session focuses on advanced combustion technologies in both 4-stroke and 2-stroke engines. The scope of topics includes studies of mixture formation, dilution effects, ignition, abnormal combustion, engine efficiency, flame propagation, and emissions formation.
Training / Education
2014-11-20
Engineers are taught to create designs that meet customer specifications. When creating these designs, the focus is usually on the nominal values rather than variation. Robustness refers to creating designs that are insensitive to variability in the inputs. Much of the literature on robustness is dedicated to experimental techniques, particularly Taguchi techniques, which advocate using experiments with replications to estimate variation. This course presents mathematical formulas based on derivatives to determine system variation based on input variation and knowledge of the engineering function. If the function is unknown, experimental techniques are presented to efficiently estimate a function. The concept of designing for both nominal values and variability is expanded to multiple outputs and designing to minimizing costs. Traditionally, if the output variation is too large to meet requirements, the tolerances (variation) of the inputs are reduced. Using the approach presented in this course, the equations presented can be used to identify the contribution of each of the inputs to the output variation.
Training / Education
2014-11-20
Engine valvetrain systems have become more capable and increasingly more compact in the quest to improve efficiency. The developments parallel the advancements in other key engine components such as fuel injection or spark systems, turbocharging, aftertreatment, base engine and controls. While the gasoline sector has seen a steady rise in the adoption of Variable Valve Actuation (VVA), Diesel systems have lagged behind and only a few systems have seen production. The level of VVA activity however in the Diesel sector is beginning to increase as tighter regulations of CO2 emissions approach. Valve control plays a strong role in a number of key areas: turbocharger systems, allowing for better optimization matching across wide engine operating flows; enabling advanced combustion strategies where control over the charge mass and temperature are important; and cold start, where valve timing can be extremely effective for engine warm up compared with other strategies that rely on additional fueling.
Event
2014-11-19
Event
2014-11-19
Event
2014-11-19
Event
2014-11-19
Event
2014-11-19
Event
2014-11-19
This session invites paper focused on aspects of operating small engines on non-petroleum based fuels or non-conventional blends of fuels. This includes performance metrics such as power, efficiency and emissions. It also covers durability considerations including materials compatibility, wear rates, etc.
Event
2014-11-19
This session invites paper focused on aspects of operating small engines on non-petroleum based fuels or non-conventional blends of fuels. This includes performance metrics such as power, efficiency and emissions. It also covers durability considerations including materials compatibility, wear rates, etc.
Event
2014-11-19
This session invites paper focused on aspects of operating small engines on non-petroleum based fuels or non-conventional blends of fuels. This includes performance metrics such as power, efficiency and emissions. It also covers durability considerations including materials compatibility, wear rates, etc.
Event
2014-11-19
This session focuses on advanced combustion technologies in both 4-stroke and 2-stroke engines. The scope of topics includes studies of mixture formation, dilution effects, ignition, abnormal combustion, engine efficiency, flame propagation, and emissions formation.
Event
2014-11-19
This session focuses on advanced combustion technologies in both 4-stroke and 2-stroke engines. The scope of topics includes studies of mixture formation, dilution effects, ignition, abnormal combustion, engine efficiency, flame propagation, and emissions formation.
Event
2014-11-19
This session will focus on the unique requirements and challenges to optimize fuel delivery and combustion quality for small engine applications, due to wide ranging environmental conditions as well as fuel type and quality. It will include presentations related to fuel pumps, injectors and other components related to the delivery of the fuel from the tank to the engine as well as optimization of the combustion process, and will discuss systemic and component related issues.
Event
2014-11-19
Papers in this session will pertain to studies of naturally aspirated and boosted diesel engines including their design, emission control, NVH, fuel system, fuel type, aftertreatment, combustion quality, or engine control.
Event
2014-11-19
This session will focus on the structure, processing, and properties of materials in small engine applications. Some possible topics include lightweighting of engine and vehicle components; heat treatment and surface processing; fatigue, fracture, and wear; coatings; and advanced ceramic, metallic, and polymeric materials.
Event
2014-11-19
Advanced engine technologies, design, and development for thermal efficiency, performance, and emissions, including cycle simulation.
Event
2014-11-19
Advanced engine technologies, design, and development for thermal efficiency, performance, and emissions, including cycle simulation.
Event
2014-11-19
Advanced engine technologies, design, and development for thermal efficiency, performance, and emissions, including cycle simulation.
Viewing 211 to 240 of 169652

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