By Thibault Margaux. Engine Wiring. Publised at Wednesday, August 02nd 2017, 09:23:41 AM. That is not to say that things will stay as they are now. The engine is undergoing a significant evolution of its own, as new fuel economy and emissions standards in the light-duty and heavy-duty sectors push the development of new technologies on an unprecedented scale toward the theoretical limits of engine operation. Coupled with continuing research into fundamental engine processes, the introduction of affordable high-performance computing, and the adoption of advanced manufacturing techniques throughout industry, those new technologies are leading to potentially disruptive opportunities for the introduction of engines with extraordinarily high efficiencies. How these new engines perform and how they will be integrated into new vehicle architectures will be the story of personal mobility for this half of the 21st century.
By Claudette Alice. Engine Wiring. Publised at Thursday, November 09th 2017, 17:30:15 PM. Automakers can improve fuel economy by selecting optimal coolant-circuit architectures, heat exchangers, and flow-control devices. The goal of this work was to warm up the drivetrain oils rapidly and run at a slightly higher temperature without additional hydraulic power. Kevin Laboe, who leads the Powertrain Thermal Management Team at Chrysler's Advanced Powertrain Group, Detroit, MI, and who led the simulation and testing teams, says the challenge was to distribute the heat in the most effective way.
By Faustine Arnaud. Engine Wiring. Publised at Saturday, December 02nd 2017, 16:32:22 PM. The team ran simulations to maximize drivetrain efficiency and minimize fuel consumption under various driving conditions, and tested their model-based approach by delivering control commands to actuators that modulated powertrain heat on a test vehicle. They monitored engine coolant temperature, engine oil temperature, transmission oil temperature, and vehicle fuel consumption, and ultimately found no additional coolant pump power was necessary for rapid warm-up and control of the drivetrain oils.
By Olivier Danielle. Engine Wiring. Published at Wednesday, January 24th 2018, 23:40:06 PM. It wouldn’t be until 1860 that a reliable, working internal combustion engine would be invented. A Belgian fellow by the name of Jean Joseph Etienne Lenoir patented an engine that injected natural gas into a cylinder, which was subsequently ignited by a permanent flame near the cylinder. It worked similarly to the gunpowder atmospheric engine, but not too efficiently.
By Faustine Arnaud. Engine Wiring. Published at Wednesday, January 24th 2018, 23:29:09 PM. Game-changing advances in recent years are improvements in engine technologies, sensors, and onboard computing power. This combination of technologies will enable unprecedented control of the combustion process, which in turn will enable real-world implementations of low-temperature combustion and other advanced strategies as well as improved robustness and fuel flexibility. In fact, technological advances are blurring our historical distinction between spark-ignition and compression-ignition engines; we will see new engine concepts that blend the best characteristics of both engine types to push the boundaries of efficiency while meeting stringent emissions regulations worldwide.
By Olivier Danielle. Engine Wiring. Published at Wednesday, January 24th 2018, 20:33:18 PM. Gasoline compression ignition combustion is an advanced combustion mode that has received considerable attention in recent years. While GCI combustion is not a new concept, it has evolved over the past several decades as technologies improve. Earlier GCI research was focused primarily on homogeneous charge compression ignition combustion, but in recent years, we have seen increasing interest in a continuous range of GCI combustion modes spanning fully homogeneous HCCI to partial fuel stratification modes to full stratification modes which are diesel-like in execution. These technologies have also led to a strong interest in reactivity controlled compression ignition combustion (RCCI), which makes use of the differences in reactivity of two fuels to manage the combustion process for maximum efficiency with lowest possible emissions.
By Manon Marianne. Electrical Wiring. Published at Wednesday, January 24th 2018, 11:05:07 AM. Electrical wiring has given rise to various connectors. The place where a wire is joined to another wire or attaches to a device is the point where there is the most danger of a spark. It is important that connections are secure. Insulated plastic wire nuts are used to attach two wires. There are also special tools used by electricians to deal with the installation of wiring. An example is the combination wire cutter and stripper. The stripper is used to remove the insulation from the end of the wire so that the bare wire might be attached.
By Manon Marianne. Engine Wiring. Published at Wednesday, January 24th 2018, 08:08:33 AM. Building on that work, in 1864 two German engineers named Nicolaus August Otto and Eugen Langen founded a company that made engines similar to Lenoir’s model. Otto gave up managing the company and started working on an engine design that he had been toying with since 1861. His design led to what we now know as the four-stroke engine, and the basic design is still used in cars today.
By Olivier Danielle. Engine Wiring. Published at Wednesday, January 24th 2018, 07:11:43 AM. So without further ado, we’ll begin our first class of Gearhead 101 by explaining the ins and outs of the heart of a car: the internal combustion engine. An internal combustion engine is called an “internal combustion engine” because fuel and air combust inside the engine to create the energy to move the pistons, which in turn move the car "we’ll show you how that happens in detail below".
By Morgane Seraphine. Electrical Wiring. Published at Wednesday, January 24th 2018, 06:20:12 AM. New appliances come with their own electrical challenges, which is why many people choose to pay for the installation. Yet, if you're a true DIY-er, you can install a dishwasher without problems. The dishwasher comes with two hook-up challenges: the wiring and the water and drain lines. That's why it's a good idea to choose a location near your sink. It will save you time and money. Why oh why do you have to buy a dryer cord separately? It's one of the great mysteries of home improvement, but it's a fact of life. Next time you need to install that new dryer, you'll be prepared after this tutorial.
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