21310 楕円形飛行船の空力特性に関する研究(流体工学(2))

概要

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An airship which has elliptical hull shape is more advantageous than a normal (circular hull shape) airship from the comparison of aerodynamic coefficients in the cross wind (In case of without tail). In this study, an aerodynamic characteristic of an elliptical shaped airship with the tail was experimentally clarified (An influence of tail on aerodynamic characteristic). The experimental airship model is made to a scale of 1/300 on the basis of the rigid airship "Hindenburg" (LZ129) and the aspect ratio of elliptical section is 1:1.5. The experiment was carried out in a wind tunnel using airship model with tail and non-tail airship model while changing yaw angle from 0°to 180°and Reynolds numbers. Effects of Reynolds number and the yaw angle on drag, side force and yaw moment for both the models were made clear.
一般社団法人日本機械学会の論文
2005-03-17