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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Page 1: 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

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

Page 2: 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

Blank slide at start of talk

Page 3: 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

My research will focus on reducing the aerodynamic drag of semi-tractor trailer trucks to improve fuel economy

[LLNL, 2010]

Page 4: 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

The Aerodynamics of Heavy Vehicles will show how much energy from a semi’s engine is spent on drag

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Engi

ne’s

ener

gy

Vehicle speed

Drag

Rolling friction

Dr. Rose McCallenLawrence Livermore National Lab

Page 5: 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

Blank slide at end of talk