Automobile Engines by Charles Ofria

A Physicist's View of the Automobile Engine

Engine Management: Advanced Tuning

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  • TAG : China Automobile Engine Parts - China Engine Parts, Auto Parts
  • Simply put, an automobile engineis a motor that converts thermal energy to mechanical work in order topropel an automobile. The engines commonly used in automobiles ...

    An automobile engine consumes fuel at a rate of 28 L/h anddelivers 60 kW of power to the wheels. If the fuel has a heatingvalue of 44,000 kJ/kg and a density of 0.8 g/cm3,determine the efficiency of this engine.

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    of the engine. This burning occurs inside cylinders, which contain pistons. The pistons are attached, via a connecting rod, to a crankshaft. Gasoline, the most common automobile fuel, is pulled into the cylinder by the vacuum created as the piston moves down through the cylinder. The gasoline is then compressed up into the cylinder by the upward movement of the piston. A spark is introduced through a spark plug placed at the end of the cylinder. The spark causes the gasoline to explode, and the explosion drives the piston down again into the cylinder. This movement, called the power stroke, turns the crankshaft. A final movement of the piston upward again forces the exhaust gases, the byproducts of the fuel's combustion, from the cylinder. These four movementsintake, compression, power, exhaustare called strokes. The four-stroke engine is the most common type of automobile engine.

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    Engine Oil System:
    Oil is one of the necessities of an automobile engine. Oil is distributed under strong pressure to all other moving parts of an engine with the help of an oil pump. This oil pump is placed at the bottom of an engine in the oil pan and is joined by a gear to either the crankshaft or the camshaft. Near the oil pump, there is an oil pressure sensor, which sends information about the status of oil to a warning light or meter gauge.

    The different parts of engine oil systems include:
    Engine Oil
    Engine Oil Filters
    Engine Oil Pan
    Engine Oil Cooler
    Engine Oil Gaskets
    Engine Oil Pipe

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    Engine Belts:
    Engine belts are the bands made of flexible material used for connecting or joining two rotating shafts or pulleys together. These belts work in coordination with wheels and axles for transferring energy. When the wheels or shafts are positioned at extremely different angles, then the engine belts have the ability to change the direction of a force. Engine pulley is a type of machine or a wheel having either a broad rim or groomed rim attached to a rope or chain for lifting heavy objects.

    A wide variety of engine belts are used in an automobile engine such as:
    Accessory Belts
    Fan Belts
    Drive Belts

    This page contains several cutaway automobile engines and car motor exterior drawings which are available for resale and licensing. These images highlight the engine's internal workings showing the pistons and crankshaft, overhead camshafts and valves, as well as timing chains or belts, intake and exhaust manifolds, oil flow channels and coolant water jackets.

How Car Engines Work | HowStuffWorks

Forty years before and 20 years after the turn of the twentieth century arenow known to have been the Golden Era in the development of theautomobile gas engine. During this 60-year span, most concepts relative togasoline engine development were conceived. Engines that have comealong since have been refinements of those concepts, which awaited sometechnological break-through -- either in fuel technology, metallurgy ormachine tooling -- to attain reality.