1839 空気軸受けによる4分力風洞天秤の開発(G05-7 流体工学(7)流体デバイス・流体制御,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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New wind tunnel balance for steady aerodynamic force measurement of three orthogonal components and one moment around perpendicular axes, which suspended by air bearing has been developed to measure weak air force on highly spinning golf ball. The each table oriented to each direction is balanced with small values of spring constant one. On the top table, one flame is mounted. In the center of this flame, one golf ball is suspended by fine piano wires. As a result, aerodynamic forces acting on the spinning golf ball are well detected on each table's small displacement. These table shifts are well measured using photonic displacement sensor. In this paper, each displacement is under well calibration stage.
2008-08-02