The in-boiler aerodynamic field and horizontal flue duct gas speed distribution at the furnace outlet was measured.

测量了炉内空气动力场及炉膛出口水平烟道速度分布。

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It is made more complicated this year by the presence on many cars of the F-duct aerodynamic device, pioneered by McLaren but since adopted by several other teams.

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"If you don't have aerodynamic features - like the F-duct or the exhaust blown diffuser - then you want to implement them, so you develop them at home, build them on to the car and test them on the race weekend, " explained Schumacher, who was used to unlimited testing in his previous Formula 1 career.

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Fernando Alonso reports the Ferrari feels more competitive without the F-duct and the team, like Red Bull, have canned the aerodynamic device.

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