By Thibault Margaux. Engine Wiring. Publised at Wednesday, August 02nd 2017, 09:23:41 AM. Low-temperature combustion processes are of significant interest due to very high thermal efficiencies with significant reductions in many criteria pollutants. As mentioned above, LTC has been a challenge due to the state of technology: unlike conventional spark-ignition and compression-ignition combustion modes, most LTC modes are kinetically controlled and hence much more sensitive to environmental conditions and ever-changing speed/load demands. Recent advances in enabling technologies such as fuel injection systems, turbomachinery, valve actuation, sensors, and onboard computers have led to new real-time control opportunities which are enabling the potential of LTC engines with production-viable hardware.
By Claudette Alice. Engine Wiring. Publised at Thursday, November 09th 2017, 17:30:15 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 Faustine Arnaud. Engine Wiring. Publised at Saturday, December 02nd 2017, 16:32:22 PM. The cylinder head is a piece of metal that sits over the engine’s cylinders. There are small, rounded indentations cast into the cylinder head in order to create room at the top of the chamber for combustion. A head gasket seals the joint between the cylinder head and cylinder block. Intake and outtake valves, spark plugs, and fuel injectors (these parts are explained later) are also mounted to the cylinder head.
By Marthe Mathilde. Electrical Wiring. Published at Wednesday, December 27th 2017, 09:11:55 AM. If you look, you will also find a series of letters on a wire. These labels are also standard and will tell you more information about the makeup of the wire. For instance, the code may tell you whether it's aluminum or copper or whether or not it is heat resistant. As you learn more about wiring, you'll realize just how often you need to know these things.
By Morgane Seraphine. Engine Wiring. Published at Tuesday, December 26th 2017, 18:19:29 PM. The push toward higher-efficiency engines will alter exhaust temperatures and chemistry and may create challenges for emission control technologies. For example, new higher-efficiency engines will have lower exhaust temperatures, due to more efficient work extraction at the piston. Lower exhaust temperatures will, in turn, require the development of new emission control technologies, which must not only be effective at low temperatures but also must survive high exhaust temperatures encountered under high load conditions.
By Faustine Arnaud. Engine Wiring. Published at Wednesday, December 20th 2017, 17:21:16 PM. Most folks think that in the world of mechanized movement, steam-powered external combustion engines came before the internal combustion variety. The reality is that the internal combustion engine came first. "Yes, the ancient Greeks messed around with steam-powered engines, but nothing practical came from their experiments".
By Claudette Alice. Electrical Wiring. Published at Tuesday, December 19th 2017, 13:38:52 PM. The first stage, which coincides in time with general construction work, includes the installation of fasteners or inserts in structural elements for the subsequent attachment of electrical equipment and structures for the installation of electric wiring. It also includes the installation of conduits for electric wiring in the foundations and floors of buildings or structures and the installation of wall sockets for outlets and switches. In the first stage, the preassembly of electrical equipment and wiring structures, the fabrication of conduit sections, and the board lacing of wires and cables for lighting and other circuits are carried out away from the construction site in specially equipped electrical-installation prefabrication shops.
By Marthe Mathilde. Electrical Wiring. Published at Saturday, December 16th 2017, 05:58:41 AM. The National Electrical Code (NEC) dictates that no wiring splices are allowed outside of an approved enclosure. One type of approved enclosure is a junction box. A junction box is simply a standard electrical box that is mounted securely (to house framing or another structure) and contains the splice—the wiring connection—of two or more circuit cables or wires. The cables are secured to the box with cable clamps (or conduit connectors, if the circuit includes conduit), and it must have a removable cover to create a complete enclosure. Junction box covers must remain accessible; they cannot be covered with drywall or other surface material.
By Manon Marianne. Engine Wiring. Published at Friday, December 15th 2017, 22:27:34 PM. 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 Morgane Seraphine. Electrical Wiring. Published at Tuesday, December 12th 2017, 14:23:30 PM. “Anywhere there is the chance of contact with water or the ground, there should be a GFCI,” says Brett Brenner, president of the Electrical Safety Foundation International (ESFI). “It’s estimated that GFCIs accounted for roughly a 70 percent reduction in electrocutions,” he says. GFCIs are also available as circuit breakers installed in the panel, giving ground fault protection to designated circuits in the home.
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