The reason to use turbo technology
نوشته شده توسط : Bobalse

Currently, the car has been to prevent the use of diesel exhaust turbocharger technology, but the application of turbo diesel technology is much more difficult than on gasoline, mainly due to: 1) gasoline engine ignition ignition (diesel compression ignition), the compression ratio has a range of restrictions, if the compression ratio is too high will lead to exploding, so turbocharged gasoline increased after knocking tendency. 2) Due to the excess air ratio gasoline combustible mixture of small, high combustion temperature, thus after booster gasoline and turbocharger heat load. 3) Motor gasoline mechanic conditions change frequently, speed and power a wide range Skoda 1.8 turbocharger, resulting in more difficult match turbocharger and gasoline. Poor acceleration 4) turbocharged gasoline engine.

When the throttle opening suddenly increase rapidly increasing requirements of the gas mixture, the turbocharger rotor inertia but because leaving accelerate slow, so an increase in engine intake air for some time lag. This is commonly known as "turbo lag" phenomenon. A lot of people rich enough driving experience driving the installation of a large pressure ratio turbocharger car, at the risk of turning often, it is because "turbo lag" phenomenon. Since the need to reduce the stalls while driving into the corners, the slightest mistake will make lower after gear speed increase over the opening point of the turbine, when a sudden increase in power will make the car drift out of control, which is very dangerous.

Complete elimination of the turbocharger on the engine operating conditions change in response hysteresis difficult. However, car engines, particularly car gasoline turbocharger technology in recent years has been substantial development. This is because with the development of the highway, the owner of the car high dynamic performance increasingly strong pursuit. In addition, the development of gasoline injection engine 4 cylinder turbocharger and electronic control technology, as well as improve the performance of the turbocharger, have created favorable conditions for the spread and development of gasoline engine supercharger technology. Nevertheless, with the exhaust gas turbocharger ways to enhance gasoline engine intake pressure remains limited deflagration, so supercharged gasoline engine does not spread.

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تاریخ انتشار : چهار شنبه 27 خرداد 1394 | نظرات ()
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