Two aeroacoustic wind tunnels have been inaugurated by Renault (www.renault.com), Peugeot Citroen (www.peugeot.com), and the French Institute of Engineering Studies in Saint-Cyr l'Ecole in France, to investigate on the reduction of the aerodynamic drag of vehicles, aerodynamic noise for the comfort of passengers, dynamic stability of the vehicle, as well as the effects of side winds. The main tunnel will measure 258 ft2 with a ¾ open jet design that is large enough to accommodate minivans. Wind velocity in the main tunnel can reach as high as 149 mph.
With erupting concern over police brutality, law enforcement agencies are turning to body-worn cameras to collect evidence and protect police and suspects. But how do they work? And are they even really effective?
A half century ago, cars were still built by people, not robots. Even on some of the country’s longest assembly lines, human workers installed windows, doors, hoods, engines, windshields, and batteries, with no robotic aid.
DuPont's Hytrel elastomer long used in automotive applications has been used to improve the way marine mooring lines are connected to things like fish farms, oil & gas installations, buoys, and wave energy devices. The new bellow design of the Dynamic Tethers wave protection system acts like a shock absorber, reducing peak loads as much as 70%.
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