buffet

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buffet

aerodynamic excitation of an aircraft structure by separated flows

Buffet

Bernard . 1928--99, French painter and engraver. His works are characterized by sombre tones and thin angular forms

buffet

i. An irregular oscillation of an aircraft caused at the moment of stall, at very high angles of attack, and in some subsonic aircraft when flying at very high Mach numbers caused by eddy formation and separation of boundary layer.
ii. The knocking about sustained by an aircraft surface when severe turbulence or gust conditions are encountered.
iii. As used in parachuting, it means longitudinal oscillations of the body during free fall caused by holding the arms too high and the legs too straight.
References in periodicals archive ?
An East Coast spokesman said it has no intention of getting rid of guards - though the maintenance and buffet car issues are matters for whichever company takes over the franchise when it is re-privatised.
These new Hitachi trains have been explicitly commissioned by the Government to allow the sacking of on-board staff, the axing of buffet cars and have left a question mark hanging over the future of the existing maintenance depots.
A First Great Western spokesman said that there are currently no plans to remove buffet cars from trains, and highlighted to the return of Pullman dining services in South Wales.
Demonstrations will be held today at stations in Cardiff and Kings Cross in London, when rail travellers will be urged to join the union's campaign against any move for driver-only operation and the removal of buffet cars and their replacement by a trolley service.
The Rail, Maritime and Transport union has written to the Government saying it will ballot for industrial action if guards and buffet cars are not retained on the new Hitachi fleet, set to be introduced on First Great Western services.
The union said that under the Intercity Express Programme signed off by the Government, the new fleet - built in Japan and reassembled in the North East by Hitachi - has the capacity to run on driver-only operation, would strip out buffet cars in favour of more seats.
The railway company said that only one passenger in eight uses the 35-tonne buffet car and that removing it would speed up journey times by as much as eight minutes.
THE buffet cars on British trains are rarely bastions of gourmet delight.