| 11. | Gas exits the stationary turbine nozzle guide vanes at absolute velocity " V " a1.
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| 12. | In all probability, the downstream LP turbine nozzle guide vanes would have to be changed anyway.
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| 13. | For such axial-flow compressors, consider a set of guide vanes with an approach velocity c1.
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| 14. | The power turbine was a seven-stage ( initially 6-stage ) turbine plus inlet and outlet guide vanes.
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| 15. | Intermeshed contra-rotating turbines can act as the guide vanes for each other, removing the need for static vanes.
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| 16. | Unlike some military engines, modern civil turbofans do not have any stationary inlet guide vanes in front of the fan rotor.
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| 17. | The turbine was also unique for the era, using a set of guide vanes that were adjustable for various operating speeds.
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| 18. | If the deflection angle, e, between the guide vanes is small, the magnitude of the secondary vorticity is represented as
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| 19. | The engine had variable inlet guide vanes, as used on many other engines, necessary for accelerating from idle to high thrust.
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| 20. | This system changes the angle of the guide vanes depending on the exhaust pressure, giving the system excellent power throughout the rev range.
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