What are the advantages of turbocharging and mechanical supercharging?

18-07-2022

What are the advantages of turbocharging and mechanical supercharging?

 

1. turbocharged system structure, working principle omitted, this system directly using exhaust gas energy, not only does not consume additional power, most working conditions also pump gas positive work on the piston; after boosting to maintain the engine performance at low working conditions is basically not reduced at the same time, medium and high working conditions of power output, fuel economy and emissions can be substantially improved; coupled with the volume and weight of the supercharger and cost is now decreasing In addition, the reliability of the supercharger is increasing, which makes this kind of supercharging method in the vehicle engine is more and more widely used.

 

2. Construction machinery supercharger system this system of the compressor is directly driven by the engine crankshaft through the transmission, because the mechanical transmission of the dynamic response than the exhaust faster, there is no interference with the exhaust system, which is its advantage. And, unlike turbo lag (turbo does not kick in at low rpm) in turbocharging, the effect of mechanical boost is less affected by rpm and a similar boosting effect can be obtained at all rpm operating conditions.

 

Therefore, mechanical supercharging is particularly suitable for improving the power output of engines at low speeds, and is therefore widely used in racing engines and high-end passenger car engines that seek low-speed acceleration capability. In Europe the majority of low-end cars are diesel engines, for which turbocharging is inherently more suitable than mechanical supercharging because of their small speed range and high exhaust pressure.

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