The invention belongs to the field of aircraft design, and particularly relates to a supersonic airliner aspect ratio optimization design method. The method comprises the steps that S1, the aspect ratio and the relative thickness of a wing of an initial design scheme are obtained; s2, dispersing a plurality of optional design schemes in a specified range near the aspect ratio of the initial design scheme; s3, determining the relative thickness of the selectable design scheme; s4, determining wing induced resistance coefficients of all design schemes; s5, determining wing shock wave resistance coefficients of all design schemes; s6, determining the total resistance coefficient of the aircraft according to the wing induced resistance coefficient, the wing shock wave resistance coefficient and the given shock wave resistance coefficient of other parts of the aircraft; and S7, selecting the aspect ratio of the design scheme corresponding to the minimum value in the total resistance coefficients of the airliner as the final aspect ratio of the supersonic airliner. The method is good in comprehensive resistance reduction effect, fine in model and more accurate in aspect ratio numerical solution.
本申请属于飞机设计领域,特别涉及一种超音速客机展弦比优化设计方法。该方法包括:步骤S1、获取初始设计方案的机翼展弦比及相对厚度;步骤S2、在初始设计方案的展弦比附近指定范围内,离散出多个可选设计方案;步骤S3、确定可选设计方案的相对厚度;步骤S4、确定所有设计方案的机翼诱导阻力系数;步骤S5、确定所有设计方案的机翼激波阻力系数;步骤S6、由机翼诱导阻力系数、机翼激波阻力系数及给定的飞机其它部件激波阻力系数确定飞机总阻力系数;步骤S7、选取飞机总阻力系数中的最小值对应的设计方案的展弦比作为最终的超音速客机展弦比。本申请综合减阻效果好,模型精细,展弦比数值求解更精确。
Optimization design method for aspect ratio of supersonic airliner
一种超音速客机展弦比优化设计方法
2024-04-02
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64C AEROPLANES , Flugzeuge / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |
Emerald Group Publishing | 1959
Engineering Index Backfile | 1959
|Case against supersonic airliner
Engineering Index Backfile | 1962
|Conceptual Design of an N+2 Supersonic Airliner
British Library Conference Proceedings | 2009
|Conceptual Design of an N+2 Supersonic Airliner
AIAA | 2009
|