About: Unstart

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In supersonic aerodynamics, an unstart refers to a generally violent breakdown of the supersonic airflow. The phenomenon occurs when mass flow rate changes significantly within a duct. Avoiding unstarts is a key objective in the design of the engine air intakes (inlets U.S.) of supersonic aircraft that cruise at speeds in excess of Mach 2.2.

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  • In supersonic aerodynamics, an unstart refers to a generally violent breakdown of the supersonic airflow. The phenomenon occurs when mass flow rate changes significantly within a duct. Avoiding unstarts is a key objective in the design of the engine air intakes (inlets U.S.) of supersonic aircraft that cruise at speeds in excess of Mach 2.2. (en)
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  • In supersonic aerodynamics, an unstart refers to a generally violent breakdown of the supersonic airflow. The phenomenon occurs when mass flow rate changes significantly within a duct. Avoiding unstarts is a key objective in the design of the engine air intakes (inlets U.S.) of supersonic aircraft that cruise at speeds in excess of Mach 2.2. (en)
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  • Unstart (en)
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