| Turbocharger, Turbo Repair Kits, Turbo Thrust Bearings, Turbo Piston Ring, Compressor Wheel |
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Mingxiao Turbocharger
Turbocharger,Turbo repair kit,Thrust bearing |
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Fengcheng Mingxiao Turbocharger Mfg Co.,Ltd
Factory Add:Area B, Central Park of Erlongshan Industrial Park, Fengcheng ,Liaoning,China
Branch Office:Huangpu Huanyu International Construction Machinery Market,No.8 Zhongshan Road ,Huangpu District,Guangzhou
Tel: +86-20-32291788 / 32233365
Fax: +86-20-32291588
Mail: mxturbo@163.com sales2@mxturbocharger.com jim.mingxiao@gmail.com
Skype: louisehuan
Yahoo Messenger: mxturbo
www.mxturbocharger.com
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| Turbocharger Compressor |
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Turbocharger Compressor |
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The compressor is the part of the turbocharger that compresses air and pumps it into the intake manifold. Air molecules get sucked into the rapidly spinning compressor blades and get flung out to the outside edge. When this happens, the air molecules get stacked up and forced together. This increases their pressure.
It takes power to do this. This power comes from the exhaust side of the turbo, called the Turbine. Not all of the power that comes from the turbine goes into building pressure. Some of the power is used up in heating up the air. This is because we lowly humans cannot build a perfect machine. If we could, all of the power would go into building pressure. Instead, because of the design of the compressor, the air molecules get "beat up", and this results in heat. Just like rubbing your hands together will warm your hands due to the friction between your hands, the friction between the compressor and the air and between the air molecules themselves will heat up the air.
If you divide the amount of power that goes into building pressure by the total power put into the compressor, you get the efficiency of the compressor.
For example, if the compressor is 70% efficient, this means that 70% of the power put into the compressor is used in building air pressure. The other 30% of the power is used heating up the air. That is why we like high efficiency compressors; more of the power is being used on building pressure and less is used heating up the air. Turbos, Paxtons, and Vortechs are all centrifugal superchargers. The are called this because the centrifugal force of flinging the air molecules from the center of the housing to the outside edge is what builds air pressure. The maximum efficiency of these kinds of superchargers is usually between 70% and 80%. Roots blowers, like the 6-71, work differently and have much lower efficiency, like about 40%! With those, when you try to build lots of boost you have to put in a lot of power and more than half of it gets used heating up the air instead of raising pressure.
If the temperature goes up a lot when you increase the boost you can end up with fewer pounds of air going into the engine, so you lose power. That's why a Roots blower is bad if you want lots of boost. Screw compressors, like the WhippleCharger for the 5.0, have good compression efficiency. That's why the Top Fuel guys are starting to try them out, and getting good gains from them.
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