This paper describes the new VK56VD engine, which was developed in response to growing demand for cleaner automobiles, better fuel economy, and improved engine performance. A 5.6 L V8 engine, the VK56....
Water piston internal combustion engine is a very simple propulsive engine invented in the 1970's to be used in different applications. The water piston engine consists simply of L shape tube immersed....
Variable compression ratio in conjunction with a control system is an effective way to improve performance and reduce emissions in a diesel engine. There are various methods that may be employed that ....
Manifold tuning has long been a critical facet of engine design and performance optimization. This paper details the design, analysis, and initial fabrication of a variable runner length intake manifo....
Increasing the efficiency of engine auxiliary systems have become a challenge. Oil pump, identified for this study, is one such engine system which is used for lubrication of engine parts. To achieve ....
The High Efficiency Hybrid Cycle (HEHC) is a thermodynamic cycle which borrows elements of Diesel, Otto and Atkinson cycles, including: Air compression to a high ratio, followed by fuel injection and ....
In diesel engines the optimization of engine-out emissions, combustion noise and fuel consumption requires the experimental investigation of the effects of different injection strategies as well as of....
Valve lift is of major importance when considering engine performance, valvetrain durability and NVH. Automating valve lift design and optimization is challenging since there are numerous variables th....
This study examined a high-speed, high-powered diesel engine featuring a pent-roof combustion chamber and straight ports, with the objective of improving the specific power of the engine while minimiz....
To develop a free-piston engine-alternator integrative power system for Hybrid Electric Vehicles, the key design parameters, such as reciprocating mass of the piston assembly, compression ratio, the i....
Determination of appropriate leak tightness specifications for production leak testing of fuel system components has challenged the automotive industry for many years. This process has become more com....
Among the key technologies currently being used for reducing NOx emissions to achieve the target of pollutant emissions (Euro V), Exhaust Gas Recirculation (EGR) has been developed for its effectivene....
Emerging trend in the automotive industry all around the world is to develop vehicles to consume less fuel and to meet stringent emission norms by using engines of higher power to weight ratio and hig....
A new diesel engine, called the 6.7L Power Stroke® V-8 Turbocharged Diesel, and code named "Scorpion" has been designed and developed by Ford Motor Company for the full-size pickup truck and light com....
This paper presents the application of Weibull distribution model on diesel fuel filter field clogging results in the aim to create an innovative life prediction model for filtration medium surface ca....
Engine cylinder deactivation is used to save engine pumping loss but raises oil consumption concerns for the deactivated cylinders. In this paper, general mechanisms of oil transport via piston rings ....
Various plant-derived alternative fuels have been proposed in recent years as ways to curb the global warming that occurs from the CO2 that is emitted by internal combustion engines. One such fuel is ....
As fuel economy regulations increase and customer preference shifts to smaller, higher power density engines it is more important to effectively cool certain areas of the cylinder head and valvetrain.....
This paper presents a power train developed for a 2011-model compact sporty hybrid vehicle. The power train, developed based on existing mass-produced car components such as an engine, transmission, a....
Honda R&D has developed a throttle-by-wire (TBW) system that meets the needs of motorcycles where the attitude of the vehicle body is controlled by operation of the throttle. To gain high response and....
