Excitement is building for fans across the globe with today’s first match of the Fédération Internationale de Football Association (FIFA) 2014 World Cup tournament. These fans include NASA engineers, who used the lead-up to the tournament to test the aerodynamics of this year’s new ball design, developed by Adidas and dubbed the Brazuca ball. Although NASA is not in the business of designing or testing balls, the tournament provides an opportunity to explain the concepts of aerodynamics to students and individuals less familiar with the fundamentals of aerodynamics. “Sports provide a great opportunity to introduce the next generation of researchers to our field of aerodynamics by showing them something they can relate to,” said Rabi Mehta, chief of the Experimental Aero-Physics Branch at NASA’s Ames Research Center in Moffett Field, California. Aerodynamics is the study of how air and liquids, referred to collectively as “fluids” in aerodynamics research, flow around objects. Engineers at Ames, a world leader in fundamental aerodynamics research, possess an in-depth understanding of how fluids flow around simple three-dimensional shapes such as cylinders and spheres. With this knowledge, engineers can predict how even the minor alterations in these basic shapes change flow patterns. The previous World Cup
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