what are the characteristics of good ci engine fuel?
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Knock Characteristics A good CI engine fuel should have the very less ignition lag. so that the fuel will ignite more readily. The ignition lag also effects in the starting and warm-up of the engine. This can be measured in the cetane rating.
34014
Efficiency: The greatest advantage of a bi-fuel system is that the most efficient fuel for the task is always being used, so these systems are significantly more efficient to run overtime, compared to a single-fuel engine such as a gas-powered car.
417010
['Engine.', 'Engine Type Rotax® 1330 ACE™ in-line 3 cylinders, liquidcooled with electronic fuel injection and electronic throttle control.', 'Bore 3.31 in. ( 84 mm)', 'Stroke 3.14 in. ( 80 mm)', 'Engine Power 115 hp (85.8 kW) @ 7250 RPM.', 'Engine Torque 96 lb-ft. ( ... ', 'Fuel Type Premium unleaded.', 'Drivetrain.']
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Fuel economy is also impressive. Although the 1.5 dCi diesel couldn't match its official 53.7mpg in our tests, it still averaged a thrifty 51.9mpg on our True MPG cycle. Even the 1.3 DIG-T petrol managed 41.3mpg, although the more powerful Seat Ateca 1.5 TSI averaged a slightly healthier 44.5mpg.
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The only problem will be that your vehicle will run sluggishly or roughly, or it will stall. The default, limp-home fuel setting of an engine computer unit that receives no signal from the O2 sensor is an overly rich mixture.
513312
Fuel economy is very good across the range, with the diesels proving the most frugal overall. The petrol engines won't sip fuel quite as gently, but the 1.5 TSI 150 will officially return a very decent 47.1mpg combined.
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Because it's extremely flexible, Tygon® small engine fuel line simplifies installation, even in tight places. It is translucent yellow for positive identification and to allow easy flow monitoring. It is routinely used to handle gasoline, kerosene, heating oils, cutting compounds and glycol-based coolants.
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['It has fewer moving parts.', 'Low maintenance required.', 'Less emission generates.', 'Efficiency is good.', 'It also increases fuel efficiency.']
1043156
(1) With high compression ratio, they operate at higher pressures and offer a cleaner and complete burn of fuel leading to better mileages too. However, it's not ALL good. The higher pressure requires stronger build of the engine (in some cases heavier). Chances of knocking in the engine are higher.
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['Biodiesel.', 'Biobutanol.', 'Biogasoline.', 'Methane.', 'Ethanol.', 'Green diesel.', 'Jet fuel.', 'Closed-loop system.']
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Fuel properties for the combustion analysis of vegetable oils can be grouped conveniently into physical, chemical and thermal properties. Physical properties include viscosity, density, cloud point, pour point, flash point, boiling range, freezing point and refractive index.
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['Starting issues.', 'Poor idle.', 'Failed emissions.', 'Poor Performance.', 'Engine does not reach full RPM.', 'Increased fuel consumption.', 'Rough engine performance.', 'Surging and bucking under various throttle loads.']
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An ideal fuel should have the following properties:High calorific value. Moderate ignition temperature. Low moisture content. Low NOn combustible matter.
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Cetane number (or CN) is an inverse function of a fuel's ignition delay, the time period between the start of ignition and the first identifiable pressure increase during combustion of the fuel. In a particular diesel engine, higher cetane fuels will have shorter ignition delay periods than lower Cetane fuels.
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['Top speed is no more than 30 mph on level surface.', 'Engine size is 100 cc or less.', 'No manual gearshift.']
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A premium diesel has a higher cetane number, better lubricity and includes detergents that provide injector-cleaning capability versus standard #2 diesel. Cetane measures a fuel's ignition delay. Higher cetane equals a shorter delay and better ignition quality for quicker start-ups and less pollution.
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There are synthetics specially meant for diesel engines and the best fuel for your car is one that's compatible with your engine. Both gasoline and diesel engines have the same base oils while different additives change its properties. So the difference between the two lies in the number of additives used in it.