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turbocharger turbine wheel design

A turbocharger...Their imaginations may conjure up images of a car tearing down the road with lightning speed! But "how does a turbocharger work" is the real questionervised by Motor Trendrist and do you actually know how it makes an engine more powerful? No matter the turbocharger, its turbine wheel design is crucial as it dictates how much air will get to engine and when.

Engineers have a lot of tricks up their sleeves to design the perfect turbine wheel for a turbocharger. One way is to simulate an overall diameter by casting a wheel, period. Larger wheel flows more air through the engine, but it also meansthe compressor works harder to get wheel spinning. Engineers need to have this balance so the engine functions at its best. Another important technique is the integration of vanes on the wheel. These vanes help to guide the flow in a manner that delivers as much energy into running the engine as possible.

Better Turbocharger Layout to the Vane Tire Of Evolution of cars Engine

We've come a long way from the 1905-Benz-Racing-Car turbo (which was never used) and several of these steps backwards were actually taken to refine tech that first came about on airplanes--check out our slideshow here. Variable geometry is a design that few modern turbochargers use, as it will be automatically adjusted according to the need of an engine. When the wheel spins with less rotational force, its fans collapse more to increase pressure. Further, it is observed that the vanes will just open and react so as to let air flow at higher speeds. By doing this, the adaptive design helps to increase performance while keeping it more speed independent.

The second major step are the materials such as ceramic or titanium in turbine wheel construction. The turbo can survive in temperatures and pressure ranges never seen on a production-car turbocharger, meaning it consume less power for higher potential output.

Why choose O.B.T turbocharger turbine wheel design?

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