Линк към цялата статия: https://tvsengineering.com/en/news/ea88 ... p2mox5DXis
Based on the data and pictures above it is quite obvious why the new Continental Turbo is able to generate more airflow compared to its predecessor, the IHI IS38. The turbo housing design is further optimized with an even smoother air path and the compressor wheel is increased in size significantly.
However, in contrary to what is expected, the size of the turbine wheel is decreased. A closer look explains how the engineers at Continental managed to increase the turbine flow, while decreasing its size. This new Continental turbocharger is equipped with the new RAAX technology which basically allows a smoother exhaust gas flow over the turbine wheel. Instead of a rather sharp transition now the exhaust gasses enter the turbine at a smoother angle allowing an increase in exhaust air flow. This allows the turbine wheel to be reduced in size which decreases the turbine wheels inertia resulting into improved turbocharger response. The improved turbine wheel design together with the increased A/R of the turbine housing, increases the exhaust gas flow significantly. This increase in exhaust gas airflow has a positive effect on the maximum available power.
The increased compressor wheel size and improved design also improves the turbocharger’s total airflow capacity. The trim of a compressor wheel affects performance by altering the airflow capacity. If all other factors held constant, a higher trim wheel will flow more air than a smaller trim wheel. Although the Continental compressor wheel trim is smaller compared to the IHI IS38, the wheel size and amount of blades is increased which allows more air flow having a positive effect on maximum performance.
Another remarkable difference that requires explanation is the turbo speed sensor port and RPM sensor it is equipped with. This measures turbo shaft speed instead of only using a modeled based value as on the previous platform. TVS used data from this sensor during software development and created an extra software safety routine to prevent the turbo from overspeeding to ensure that maximum power is achieved without sacrificing reliability and durability.
Overall the new Continental Turbocharger a great step forward for all performance enhancement enthusiasts!
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