Determined in this study are the position and rotary derivatives of a V-wing moving above a solid screen. This problem is interesting for a number of problems in the dynamics of vehicles which use the screen effect during motion. Studied is a thin V-wing of rectangular plan shape above a solid wall. The induced velocities are considered low, while the vorticity beyond the wing lies in planes corresponding to the ...
General wedge and corner problems lead to the introduction of complex Navier-Stokes equations of complex laminar motions the real parts of which describe real laminar flows. Under the nonslip condition at the surface of a dihedral angle, the general solution of the complex Navier-Stokes equations is established on the basis of the corresponding integral of the Stokes equations of slow motions. The latter integration is accomplished in terms of slow-motion ...
The results of an investigation to determine the tolerable (safe for normal fighter operation) range of effective dihedral on a conventional fighter airplane are presented. The test airplane was equipped with a special device for varying the effective dihedral in flight over a large range of positive and negative values. The results of quantitative flight measurements of the effective dihedral and the dynamic-lateral-stability characteristics are shown. ...
An investigation was conducted to determine the effects of geometric dihedral on the low-speed static stability and yawing characteristics of an untapered 45 degrees sweptback-wing model of aspect ratio 2.61. The results of the tests indicated that an increase in positive dihedral resulted in an increase in the rolling moment due to sideslip and also caused the maximum value of rolling moment due to sideslip to ...
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*DIHEDRAL ANGLE
