ESDU 94037-1994
亚音速下平面薄机翼的前缘吸力分布

Leading-edge suction distribution for plane thin wings at subsonic speeds.

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标准号

ESDU 94037-1994

发布

1994年

发布单位

ESDU - Engineering Sciences Data Unit

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ESDU 94037-1994

 

 

适用范围

ESDU 94037 gives an expression for calculating the total theoretical leading-edge suction force using the lift-curve slope and the lift-dependent drag factor which can be obtained respectively from ESDU 70011 and 74035. The normalised spanwise distribution of suction for plane straight-tapered wings is tabulated@ and illustrated in graphs@ for a systematic set of planforms that allows the distribution to be obtained for any wing by cross plotting the tabulated results. The results were obtained from runs of a vortex-lattice program but special modelling was necessary for certain difficult planforms such as those of low taper ratio and low aspect ratio@ and also in the vicinity of the centre-line chord@ to ensure a coherent set of normalised distributions. Details of the corrections are included. A computer program@ ESDUpac A9438@ is introduced in ESDU 94038@ which incorporates all the corrected tabulated data@ carries out any interpolation required to obtain the distribution for the chosen planform and calculates the total suction force. The expected accuracy of the results is discussed.

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