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Technical Papers
October 2013

An Ultra-low Inertia Turbocharger Compatible with Exhaust Pulse Separation

Author: V.Houst, V.Kares, L.Pohorelsky | Honeywell Transportation Systems

DualBoostTM is an Ultra-Low Inertia concept for Gasoline Boosting
– The first Mono-scroll version was presented in 2011/2012
– Mono-scroll range DB14-DB22 was exhibited in Vienna in 2013
– The concept is now reaching aerodynamic and mechanical maturity
• DualBoostTM Twin-Flow
– Flow seperation can be applied to the DualBoost concept
– DualBoost is a valid concept for Mono & Twin-Flow applications
• Meridional Division shows some advantages in performance todate
• Sector Division remains interesting for further development

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