As further evidence that technologies for laminar-flow aerodynamic surfaces are moving closer to production, Airbus is testing hybrid laminar flow control (HLFC) on an A350 prototype. The system, visible on the leading edge of the vertical stabilizer, is designed to reduce drag and, therefore, fuel consumption. It actively removes the boundary layer by sucking it into the leading edge through very small holes. By maintaining laminar, or smooth, airflow over the wing or tail surfaces, ...

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