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Supersonic Hot Jet Ignites Ultra-Lean Fuel Mixtures in Combustion Engines

Summary

Researchers from Purdue University have developed a technique to generate supersonic hot turbulent jets that can ignite ultra-lean fuel/air mixtures, which may not be able to ignite using current pre-chamber technologies. The supersonic hot jet makes it possible to burn ultra-lean mixture in combustion engines through the use of converging-diverging nozzles with a certain aspect ratio in the pre-chamber. Supersonic jet ignition improves combustion efficiency, reduces NOx emissions, and increases fuel economy.

Technology Benefits

Improves combustion efficiency Reduces NOx emissions Increases fuel economy

Technology Application

Gas engine manufacturers Power supply industries

Detailed Technology Description

Lii QiaoLi Qiao ResearchZucrow LaboratoriesPurdue Aeronautics and Astronautics

Countries

United States

Application No.

None

Country/Region

USA

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