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DEPLOYMENT AND PERFORMANCE CHARACTERISTICS OF 1.5-METER SUPERSONIC ATTACHED INFLATABLE DECELERATORS

机译:1.5米超音速附加充气式减速器的部署和性能特点

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Attached-inflatable-decelerator (AID) canopies fabricated from lightweight Nomex cloth and tapes were deployed in a supersonic stream from the base of a 140℃onical aeroshell. Characteristics of the deceleration system were obtained over a wide range of Mach number, dynamic pressure, and pitch angle.nAll models deployed rapidly by ram air and experienced only mild deployment shock loads. Steady-state drag coefficients as high as 1.3 were obtained in the supersonic stream and were relatively insensitive to Mach number, dynamic pressure, and pitch angle. All models were free of fluttering motion. Results also showed that the AID is aerodynamically more efficient without a burble fence in a supersonic stream.

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