| Citation: | WU Jinhua, HUANG Xia, LIU Zhitao, et al. Effects of windward angle on aerodynamic characteristic of drogue[J]. Journal of Aerospace Power, 2024, 39（7）：20220524 doi: 10.13224/j.cnki.jasp.20220524
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In order to study the effects of windward angle on aerodynamic characteristic of drogue, a 1∶1 full-scale drogue with variable windward angle was designed to simulate the real structure of invariable drag characteristic drogue and adaptive variable drag characteristic drogue, and a kind of aerodynamic characteristic measurement test method was developed in FL-14 wind tunnel. The variation tendencies of unfolding process, deformation results and drag for drogue at different windward angles were achieved in the test. The results indicated that: the wind speed for complete unfolding showed a rising trend with the increase of windward angle. Drag value of drogue increased with windward angle. Invariable drag characteristic drogue’s windward angle kept unchanged when bearing the load of wind while adaptive variable drag characteristic drogues’ decreased. The drogue with 1 mm springs achieved excellent performance of adaptive drag characteristic adjustment at the windward angle of 46° and within the speed range of 55 m/s and 75 m/s, and its drag value kept stable.
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