The engine is an energy conversion device, the function is to expand the gas by burning the thermal energy of gasoline (diesel) in a sealed cylinder, Push the piston to work, conversion to mechanical energy. machines capable of converting other forms of energy into mechanical energy, including such as internal combustion engines, external combustion engines, electric motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. the engine is suitable for both power generating devices, can also refer to an entire machine including a power plant.
One of the most common engine parameters-engine displacement. engine displacement is the sum of the working volumes of each cylinder of the engine, generally expressed in liters (L). the cylinder working volume refers to the volume of gas swept by the piston from top dead center to bottom dead center, single-cylinder displacement, It depends on the bore and piston stroke. engine displacement is a very important engine parameter, It is more representative of engine size than cylinder bore and number, many indicators of the engine are closely related to the displacement.
Generally speaking, the larger the displacement, the greater the engine output. learned the displacement, look at other common parameters of the engine. many junior riders reflect that they often see the words “L4”, “V6”, “V8”, “W12” and so on in the engine column of the car information, trying to figure out what exactly. these all indicate the arrangement and number of cylinders of the engine. the number of cylinders commonly used in automobile engines is 3 cylinders, 4 cylinders, 6 cylinders, 8 cylinders, 10 cylinders, 12 cylinders, etc.
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