Abstract
It has been suggested that in the conditions of lifting re-entry caret wings are likely to have higher lift coefficients than flat-bottomed wings with the same ratio of lift to drag. Thus, for given speed and wing loading, they can re-enter at higher altitudes with a consequent reduction in stagnation point heating rate. In this paper thin-shock-layer theory is used to study the lifting properties of caret and flat-bottomed wings and of wings with concave lower surfaces. It is found that significant gains in lift coefficient can be achieved with moderately recessed lower surfaces. These results hold for both perfect and real gas flows.
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