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Method of designing natural laminar flow wing for reynolds numbers equivalent to actual supersonic aircraft
Method of designing natural laminar flow wing for reynolds numbers equivalent to actual supersonic aircraft
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机译:设计等效于实际超音速飞机的雷诺数的自然层流翼的方法
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摘要
In designing supersonic aircrafts, a method of designing a natural laminar flow wing is provided which reduces friction drag by delaying boundary layer transition under flight conditions of actual aircrafts. A target Cp distribution on wing upper surface, suited to natural laminarization in which boundary layer transition is delayed rearward in desired Reynolds number states, is defined by a functional type having as coefficients parameters depending on each spanwise station, a sensitivity analysis employing a transition analysis method is applied to the parameters, and a search is performed for the optimum combination of parameters to delay transition rearward.
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