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Air flow testing on aerodynamic truck |
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| Photo Number: |
ECN-4724 |
| Photo Date: |
July 31, 1975 |
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| Formats: |
558x480 JPEG Image (95 KBytes)
1190x1024 JPEG Image (642 KBytes)
3030x2606 JPEG Image (5,065 KBytes)
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Photo
Description: |
After leasing a cab-over tractor-trailer from a Southern California firm, Dryden researchers added sheet metal modifications like those shown here. They rounded the front corners and edges, and placed a smooth fairing on the cab's roofs and sides extending back to the trailer. |
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Project
Description: |
During the investigation of truck aerodynamics, the techniques honed in flight research proved highly applicable. By closing the gap between the cab and the trailer, for example, researchers discovered a significant reduction in aerodynamic drag, one resulting in 20 to 25 percent less fuel consumption than the standard design. Many truck manufacturers subsequently incorporated similar modifications on their products. |
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| Keywords: |
truck aerodynamics; fuel savings; aerodynamic drag |
Dryden Home > Collections > Photo Home > Aerodynamic Truck > Photo # ECN-4724
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