[发明专利]一种具有尖前缘大弯度的低雷诺数高升阻比翼型在审
申请号: | 201910294428.4 | 申请日: | 2019-04-12 |
公开(公告)号: | CN109969381A | 公开(公告)日: | 2019-07-05 |
发明(设计)人: | 宋超;李伟斌;王子维;李鹏 | 申请(专利权)人: | 中国空气动力研究与发展中心计算空气动力研究所 |
主分类号: | B64C3/44 | 分类号: | B64C3/44 |
代理公司: | 成都华风专利事务所(普通合伙) 51223 | 代理人: | 代述波 |
地址: | 621000 四*** | 国省代码: | 四川;51 |
权利要求书: | 查看更多 | 说明书: | 查看更多 |
摘要: | |||
搜索关键词: | 翼型 前缘 弯度 雷诺数 最大厚度位置 最大弯度位置 翼型弦长 最大弯度 减小 常规翼型 上下表面 升力系数 线性变化 坐标原点 浸湿 负压区 高升力 连接点 上表面 钝头 失速 | ||
1.一种具有尖前缘大弯度的低雷诺数高升阻比翼型,其特征在于,所述翼型最大厚度为d/c=0.09,最大厚度位置为xd/c=0.274;所述翼型最大弯度为f/c=0.0595,最大弯度位置为xf/c=0.527;其中c为翼型弦长,d为翼型最大厚度,f为翼型最大弯度;所述翼型上下表面在前缘的连接点为坐标原点,翼型弦长所在轴线为x轴,xd为最大厚度位置的横坐标,xf为最大弯度位置的横坐标。
2.根据权利要求1所述的具有尖前缘大弯度的低雷诺数高升阻比翼型,其特征在于,所述翼型弦长为1时,则翼型上表面所对应的坐标如下:x1、y1分别代表二维坐标系下翼型上表面离散点坐标值,其中翼型上表面x1、y1的取值如下:(0.00000,0.00000)、(0.00029,0.00096)、(0.00075,0.00196)、(0.00134,0.00302)、(0.00205,0.00416)、(0.00288,0.00538)、(0.00383,0.00670)、(0.00494,0.00811)、(0.00620,0.00962)、(0.00765,0.01124)、(0.00928,0.01298)、(0.01113,0.01484)、(0.01322,0.01684)、(0.01557,0.01897)、(0.01821,0.02123)、(0.02117,0.02364)、(0.02449,0.02620)、(0.02820,0.02890)、(0.03234,0.03175)、(0.03694,0.03474)、(0.04206,0.03786)、(0.04775,0.04112)、(0.05404,0.04448)、(0.06099,0.04795)、(0.06865,0.05150)、(0.07707,0.05511)、(0.08631,0.05875)、(0.09641,0.06239)、(0.10742,0.06600)、(0.11939,0.06956)、(0.13235,0.07301)、(0.14634,0.07634)、(0.16138,0.07949)、(0.17749,0.08245)、(0.19469,0.08517)、(0.21298,0.08762)、(0.23233,0.08977)、(0.25274,0.09160)、(0.27417,0.09307)、(0.29656,0.09417)、(0.31985,0.09487)、(0.34397,0.09515)、(0.36883,0.09501)、(0.39433,0.09443)、(0.42035,0.09342)、(0.44677,0.09198)、(0.47346,0.09013)、(0.50029,0.08790)、(0.52712,0.08532)、(0.55382,0.08244)、(0.58026,0.07930)、(0.60631,0.07595)、(0.63186,0.07245)、(0.65680,0.06885)、(0.68103,0.06520)、(0.70447,0.06153)、(0.72705,0.05788)、(0.74870,0.05428)、(0.76939,0.05076)、(0.78908,0.04732)、(0.80775,0.04399)、(0.04399,0.04076)、(0.84200,0.03765)、(0.85759,0.03464)、(0.87218,0.03176)、(0.88579,0.02899)、(0.89846,0.02633)、(0.91022,0.02380)、(0.92111,0.02137)、(0.93118,0.01907)、(0.94047,0.01687)、(0.94902,0.01480)、(0.95688,0.01283)、(0.96409,0.01098)、(0.97070,0.00924)、(0.97676,0.00761)、(0.98229,0.00608)、(0.98735,0.00465)、(0.99196,0.00332)、(0.99617,0.00209)、(1.00000,0.00094)。
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