Working under contract with the Oak Ridge National Laboratory, Bob Englar and other researchers at the Georgia Institute of Technology are helping reduce the aerodynamic drag on tractor-trailer truck by at least 35%. Englar's work involves a pneumatic systems called Circulation Control that creates lift on the trailer by blowing compressed air over curved surfaces on the trailer, smoothing airflow and decreasing drag. He also found that blowing air from the bottom of the truck has the opposite effect, multiplying downward force on the tires to improve traction and braking when needed. The system uses valves that respond to driver changes in a fraction of a second, augmenting force as needed. "The driver wouldn't have to think about how it works," says Englar. He estimates that, if applied to the entire U.S. fleet of tractor-trailers, the pneumatic system could save 1.2 billion gallons of fuel each year. For more information, contact Englar at (770) 528-3222 or e-mail gtri.gatech.edu.
A middle school team from Rochester, Mich., has again nabbed the grand prize in the annual international Future City Competition, which drew students from 37 regions of the United States, as well as from England and China.
The word “smart” is becoming the dumbest word around. It has been applied to almost every device and system in our homes. In addition to smartphones and smart meters, we now hear about smart clothing and smart shoes, smart lights, smart homes, smart buildings, and every trendy city today has its smart city project. Just because it has a computer inside and is connected to the Web, does not mean it is smart.
Are you being paid enough? Do you want a better job? According to a recent survey Manpower released just before Engineers Week, employers and engineers don't see eye-to-eye about the state of US engineers' skills and experience.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.