By Thibault Margaux. Electrical Wiring. Publised at Thursday, January 18th 2018, 15:49:48 PM. Electricity distribution is the penultimate stage in the delivery (before retail) of electricityto end users. It is generally considered to include medium-voltage "less than 50 kV"power lines, electrical substations and pole mounted transformers, low voltage"less than 1000 V" distribution wiring and sometimes electricity meters.
By Marthe Mathilde. Engine Wiring. Published at Wednesday, September 06th 2017, 12:32:39 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 Thibault Margaux. Engine Wiring. Published at Tuesday, September 05th 2017, 10:31:24 AM. The group found that using the waste heat with optimal controls consistently delivered higher oil temperatures and significantly reduced warm-up times. This translated to fuel economy improvements of almost 4% compared to conventional thermal management strategies. The largest efficiency gains occur while heating oil from a cold start, and approximately half of the improvement comes from the powertrain and transmission sides.
By Claudette Alice. Engine Wiring. Published at Saturday, September 02nd 2017, 07:36:31 AM. he combustion chamber in an engine is where the magic happens. It’s where fuel, air, pressure, and electricity come together to create the small explosion that moves the car’s pistons up and down, thus creating the power to move the vehicle. The combustion chamber is made up of the cylinder, piston, and cylinder head. The cylinder acts as the wall of the combustion chamber, the top of the piston acts as the floor of the combustion chamber, and the cylinder head serves as the ceiling of the combustion chamber.
By Thibault Margaux. Engine Wiring. Published at Thursday, August 31st 2017, 05:12:03 AM. The internal combustion engine has seen a remarkable evolution over the past century. Before 1970 the evolution of engine design was driven by a quest for performance and an increase in octane in the fuel supply. Since then, however, the imperative was the need to meet new emissions and fuel economy regulations.
By Olivier Danielle. Engine Wiring. Published at Saturday, August 26th 2017, 23:40:52 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 Manon Marianne. Engine Wiring. Published at Wednesday, August 16th 2017, 19:21:58 PM. But gas- and diesel-powered engines are not done yet. Just as electrified cars — whether hybrids or pure battery-powered models — seem headed for market dominance, Mazda announced a breakthrough in gasoline engines that could make them far more efficient. It is the latest plot twist in a century of improvements for internal combustion engines, a power source pronounced dead many times that has persisted nevertheless. Here is some truth-squadding on the latest in auto technology.
By Marthe Mathilde. Electrical Wiring. Published at Tuesday, August 15th 2017, 16:58:02 PM. Feed the cables through the clamps and into the box. The cable sheathing (outer jacket) should extend 1/2 to 1 inch beyond the clamp, and the cable wires should extend about 6 inches into the box. If necessary, trim the wires as needed and strip 3/4 inch of insulation from the each of each wire, using wire strippers. Secure the cables by tightening the screws on the clamps, being careful not to overtighten and damage the cables.
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