Problem Talk: sources of drag Solution Talk: way to reduce drag Limitation: only class 12 semis Memory Map: Short Technical Talk Original Talk: Casey Howsare.

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Presentation transcript:

Problem Talk: sources of drag Solution Talk: way to reduce drag Limitation: only class 12 semis Memory Map: Short Technical Talk Original Talk: Casey Howsare LLNL: 12% of US oil 1% improvement → $800 million 1 3 2

Blank slide at start of talk

My research will focus on reducing the aerodynamic drag of semi-tractor trailer trucks to improve fuel economy [LLNL, 2010]

The Aerodynamics of Heavy Vehicles will show how much energy from a semi’s engine is spent on drag 4 Engine’s energy Vehicle speed Drag Rolling friction Dr. Rose McCallen Lawrence Livermore National Lab

Blank slide at end of talk

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