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2017-05-11
Video
Last week General Motors sent out a notice that the 'Vette plant is halting its regular public tours for 18 months due to extensive plant upgrades. Could this be for the next-generation Corvette? In this episode of SAE Eye on Engineering, Editor-In-Chief Lindsay Brooke looks at the C-8, the first mid-engined Corvette. SAE Eye on Engineering also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering.
2017-02-07
Video
A Corvette has been spotted undergoing construction within the General Motors' Battery Lab in Warren, Michigan. In this episode of SAE Eye on Engineering, Editor-In-Chief Lindsay Brooke looks at the possibility of a battery powdered Corvette model. SAE Eye on Engineering also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering.
2016-11-01
Video
Luxury pickup trucks spin big profits for their makers. In this episode of SAE Eye on Engineering, Editor-In-Chief Lindsay Brooke looks at Mercedes' first luxury pickup: the mid-sized X-Class. SAE Eye on Engineering also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering.
2012-06-06
Video
Cycle-to-cycle variations of combustion processes strongly affect the emissions, specific fuel consumption as well as work output. Especially Direct Injection Spark-Ignition (DISI) engines are very sensitive to cyclic fluctuations within the combustion chamber. Multi-cycle Large Eddy Simulation (LES) based analysis has been used for investigating unsteady effects of spray combustion processes and misfires. A realistic four-stroke DISI internal combustion engine configuration was taken under consideration. The effects of variable spray boundary conditions on spray combustion are discussed first. A qualitative analysis of the intensity of cycle-to-cycle variations of in-cylinder pressure is presented for various combinations of injection parameters and ignition points. Finally, the effect of ignition probability and analysis of misfires are pointed out. The described above processes were discussed in terms of mean and standard deviation of temperature, velocity and pressure.
2012-05-10
Video
Turbulent Jet Ignition is an advanced spark initiated pre-chamber combustion system for otherwise standard spark ignition engines. Combustion in the main chamber is initiated by jets of partially combusted (reacting) pre-chamber products which provide a high energy ignition source. The resultant widely distributed ignition sites allow relatively small flame travel distances enabling short combustion durations and high burn rates. This presentation outlines development of this combustion concept in a modern normally aspirated PFI production engine. Experimental results have highlighted high thermal efficiency (42.8%), significant fuel economy improvement (>20%), low engine out NOx (<10 ppm), knock limit extension, high load capability (>13 bar IMEPn) and high speed operation (5500 rev/min). Presenter William P Attard, MAHLE Powertrain LLC
2012-02-15
Video
Zero-dimensional, one-dimensional, and quasi-dimensional models for simulation of SI and CI engines with respect to: engine breathing and boosting; SI combustion and emissions; CI combustion and emissions; fundamentals of engine thermodynamics; thermal management; mechanical and lubrication systems; system level models for controls; system level models for vehicle fuel economy and emissions predictions. Presenter Fabio Bozza, Universita di Napoli
2011-10-28
Video
SAE 2011 High Efficiency IC Engines Symposium - Session 2 - Frontiers in Light-Duty Engine R&D Presenter Ulrich Spicher, Karlsruhe Inst. of Technology
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