飛行試験による定点滞空飛行試験飛行船の抗力係数推算
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概要
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Flight tests were carried out to obtain aerodynamic characteristics of the low altitude stationary flight test airship. The deceleration test method was used in a flight experiment to obtain the drag coefficient. Combining with the deceleration test result, the minimum drag coefficient was acquired by equating a thrust force with the corresponding drag force at the steady level flight. As a result, 0.044±0.002 were obtained on the minimum drag coefficient of the airship. Modifications of the deceleration test data analysis are proposed to be applicable to test data obtained under non-zero attack angle etc. in the paper.
- 2007-05-05