Engine

Improvements of the KIVA Dense Spray Modeling for HSDI Diesel Engines

Improvements of the KIVA Dense Spray Modeling for HSDI Diesel Engines

A numerical study has been performed to investigate the soot emission from a high-speed single-cylinder direct injection diesel engine. It was shown that the current KIVA CFD code with the standard evaporation model could predict the experimental trend, where at a low speed running condition a higher smoke reading is reached when increasing the injector […]

Cylinder Pressure-Based Control of Pre-Mixed Diesel Combustion

Cylinder Pressure-Based Control of Pre-Mixed Diesel Combustion

Implementation of real-time combustion feedback for use in closed-loop combustion control is a technology that has potential to assist in the successful production implementation of advanced diesel combustion modes. Low-temperature, pre-mixed diesel combustion is presently of interest because it offers the ability to lower the engine-out emissions of oxides of nitrogen (NOx) and particulate matter […]

Quantitative Characterization of Near-Field Fuel Sprays by Multi-Orifice Direct Injection Using Ultrafast X-Tomography Technique

Quantitative Characterization of Near-Field Fuel Sprays by Multi-Orifice Direct Injection Using Ultrafast X-Tomography Technique

A low-pressure direct injection fuel system for spark ignition direct injection engines engines has been developed, in which a high-turbulence nozzle technology was employed to achieve fine fuel droplet size at a low injection pressure around 2 MPa. It is particularly important to study spray characteristics in the nearnozzle region due to the immediate liquid […]

Development of Toyota 1ZZ-FE Engine

Development of Toyota 1ZZ-FE Engine

The 1ZZ-FE engine is a newly developed in-line 4-cylinder, 1.8-liter, DOHC 4-valve engine mounted in the new Corolla. Abounding in new technologies including the laser-clad valve seat, high-pressure die-cast aluminum cylinder block, and the small-pitch chain drive DOHC, coupled with the fundamentally reviewed basic specifications, the new engine is compact and lightweight, offering high performance […]

Numerical Modelling and Simulation of Rotary Engine

Numerical Modelling and Simulation of Rotary Engine

Cold-start effects on performance and efficiency for vehicle fuel cell systems

Influence of Crankshaft Material and Design on the NVH Characteristics of a Modern, Aluminum Block, V-6 Engine

Influence of Crankshaft Material and Design on the NVH Characteristics of a Modern, Aluminum Block, V-6 Engine

Induction Hardened Ductile Iron Camshafts

Un modello di simulazione di un motore ad accensione comandata a 4 Tempi

Un modello di simulazione di un motore ad accensione comandata a 4 Tempi

L’articolo espone passo passo tutte le problematiche e gli schemi adottati per la costruzione di un modello di simulazione di un motore a 4 Tempi.

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