Problem Talk: sources of drag Solution Talk: way to reduce drag Limitation: only class 12 semis...
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Problem Talk: sources of drag Solution Talk: way to reduce drag Limitation: only class 12 semis ory Map: Short Technical Talk Original Talk: Casey Hows LLNL: 12% of US oil 1% improvement → $800 millio 1 3 2
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Transcript of Problem Talk: sources of drag Solution Talk: way to reduce drag Limitation: only class 12 semis...
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
Engi
ne’s
ener
gy
Vehicle speed
Drag
Rolling friction
Dr. Rose McCallenLawrence Livermore National Lab
Blank slide at end of talk