| 1. | At transonic speeds, the flow field around the object includes both sub-and supersonic parts.
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| 2. | Aircraft flying at transonic speed often incur wave drag through the normal course of operation.
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| 3. | The results of these tests confirmed the drag reduction offered by swept wings at transonic speeds.
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| 4. | Severe instability can occur at transonic speeds.
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| 5. | Meanwhile, aerodynamicists in the company discovered that the A-4b's swept wing design was inherently unstable at transonic speeds.
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| 6. | Developers turned to Full Potential codes, as panel methods could not calculate the non-linear flow present at transonic speeds.
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| 7. | The MiG-15 was one of the first successful jet fighters to incorporate swept wings to achieve high transonic speeds.
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| 8. | A "'supercritical airfoil "'is an airfoil designed, primarily, to delay the onset of wave drag in the transonic speed range.
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| 9. | Further experience and research during World War II later established that swept wings would give better performance at transonic speeds.
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| 10. | In the initial stage of Cold War, bombers were expected to attack flying higher and faster, even at transonic speeds.
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