AERODYNAMIC TORQUE REDUCING VALVE FOR USE IN A BLEED AIR SYSTEM
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Jan 4, 2017
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Jan 4, 2017
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Abstract
A fan air valve for use in high pressure airflow applications is provided. The described fan air valve embodiments employ a plate with a standoff of a height based on aerodynamic torque. The height of the standoff informs a size of an angle at which the plate is positioned within a respective flow body. The described embodiments result in a fan air valve having a closed flow area that is not much larger than the closed flow area of a valve having a perpendicular plate. The described embodiments avert compression of perimeter ice on a downstream edge of the plate during modulation without requiring software adjustments to address perimeter ice.
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