To Make Rockets Fly Farther, Dimple Them Like Golf Balls ...Middle East

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To Make Rockets Fly Farther, Dimple Them Like Golf Balls
By dimpling the nosecone of this sub-scale experimental rocket, Sandia National Laboratories … [+] engineer, Sal Rodriguez, achieved a 22% frictional drag reduction compared to a rocket with a smooth nosecone. Sal Rodriguez A nuclear engineer at Sandia National Laboratories has confirmed a forehead-smackingly obvious idea – dimpling things from rockets to cars gives them better aero. The idea is familiar to most people when conjuring up the image of a golf ball. The dimpling on the balls in use today reduces their aerodynamic drag, helping them fly farther. Technically, dimpling accelerates airflow in the dimpled regions around the circumference of the ball, reducing boundary layer thickn

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