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5.3 结果和讨论
5.3.1 冀型1406thick的结果
翼型1406thick不同攻角下升力系数的周期性收敛曲线见图5-7。
翼型1406thick不同攻角下阻力系数的周期性收敛曲线见图5-8。
翼型1406thick不同攻角下的俯仰力矩周期性收敛曲线见图5-9。
5.3.2 翼型1406open的结果
翼型1406open不同攻角下升力系数的周期收敛曲线见图5-10。
翼型1406open不同攻角下阻力系数的周期性收敛曲线见图5-11。
翼型1406open不同攻角下俯仰力矩的周期性收敛曲线见图5-12。
5.3.3 翼型1406cut的结果
翼型1406cut不同攻角下升力系数的周期收敛曲线见图5-13。
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_7.jpg?sign=1738893451-B7vmd7rr5JHfIUXMuhUbjXlyRf5lyriD-0-4f9e7ca28f480ea23b5d8e6919cb581b)
图5-7 翼型1406thick升力系数的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_8.jpg?sign=1738893451-Ou3K2gKKfMtSlrhrg8VEytXJo5VNhVcC-0-7e54db4728e03b7a4269c37ce7f1042c)
图5-8 翼型1406thick阻力系数的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_9.jpg?sign=1738893451-o5LNehQ7b6UsYHx0lwbUhSLO2rQQzWks-0-138f1ff5e452f5b1064acf050eb414bd)
图5-9 翼型1406thick的俯仰力矩的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_10.jpg?sign=1738893451-N8X7Gu1HqiaFwmoyvNrQ70gINLrfI4R8-0-efb6145f0d5b57ded956ca83e07a2fa6)
图5-10 翼型1406open升力系数的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_11.jpg?sign=1738893451-c4l32DFTzvlVkSCAk8EMHyg8rIQ9fYo0-0-2dc99ce2501f22ff0292c1a3c1fc41b6)
图5-11 翼型1406open阻力系数的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_12.jpg?sign=1738893451-MjFd4TTjd1GxxTu4WSgW1EOpy3089L3t-0-dabc8112b0e2c41bd0c5929f82c49969)
图5-12 翼型1406open俯仰力矩的周期性收敛曲线
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_13.jpg?sign=1738893451-ndZXis9zbhOlfTGuFDMYhNENNGlbEYFu-0-6d4d721ae6f93ee4013b00ec02623999)
图5-13 翼型1406cut升力系数的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=10°;(d)α=15°;(e)α=20°
翼型1406cut不同攻角下阻力系数的周期性收敛曲线见图5-14。
翼型1406cut不同攻角下俯仰力矩的周期收敛曲线见图5-15。
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_14.jpg?sign=1738893451-3fozsqAyAgkbm0vjTedYCKwcwaq6PzYR-0-2f6a19068c5c7fe82fe50a694e7d82ca)
图5-14 翼型1406cut阻力系数的周期收敛曲线
(a)α=0°;(b)α=5°;(c)α=10°;(d)α=15°;(e)α=20°
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_15.jpg?sign=1738893451-CyJtrYFBoemHFMEUBYWw4pco4QMzkt9p-0-bba935eb98afed87dfa9abf7586ed3b3)
图5-15 翼型1406cut俯仰力矩的周期性收敛曲线
(a)α=0°;(b)α=5°;(c)α=10°;(e)α=15°;(f)α=20°
5.3.4 对比
对于翼型1406thick,将升力系数、阻力系数和俯仰力矩的周期性曲线作平均,平均值见表5-1,曲线见图5-16。
表5-1 翼型1406thick的平均值
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_16.jpg?sign=1738893451-H3BTGJqxbkPNW1q7tOtJWFAEP2AXnrEY-0-8cbd14c90df0ca8166ef181d87cab70d)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_17.jpg?sign=1738893451-Klm3p429C3bUOp61AKAIqqVgIzj2NqSy-0-f8b89ff893f429ed5550a830f9dcaa81)
图5-16 翼型1406thick的平均升力系数、平均阻力系数和俯仰力矩曲线
翼型1406thick不同攻角下的流场见图5-17。
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_18.jpg?sign=1738893451-hA9efVuO4jzO3dKD4czvUMncy482sJk7-0-2a7080e427d9d97812b1824909231f6f)
图5-17 翼型1406thick的速度分布
(a)α=0°;(b)α=5°;(c)α=15°;(d)α=20°
对于翼型1406open,将升力系数、阻力系数和俯仰力矩的周期性的曲线作平均,平均值见表5-2,曲线见图5-18。
表5-2 翼型1406open的平均值
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_19.jpg?sign=1738893451-4SRJY0ZavIkQGlDjOHlau2ZxdZ5xOuHG-0-392cd06e9536001352ad850d26b8d114)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_20.jpg?sign=1738893451-QDsAdtguHtyyrbGTw5xEg2nkL60CntJc-0-7bc9007d2efce5996b0c62fb74d67320)
图5-18 翼型I406open的平均升力系数、阻力系数和俯仰力矩的曲线
翼型1406open不同攻角下的速度分布见图5-19。
对于1406cut翼型,将升力系数、阻力系数和俯仰力矩的周期性的曲线作平均,平均值见表5-3,曲线见图5-20。
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_21.jpg?sign=1738893451-zL0iP01a9xDQf7DtMarl2HXcysYXRIJf-0-5aeaa58783b58bb942d8560f2cafc12f)
图5-19 翼型I406open的速度分布
(a)α=0°;(b)α=5°;(c)α=10°;(d)α=20°
表5-3 翼型1406cut的平均值
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_22.jpg?sign=1738893451-umyPf1jQKbupkJ3NleEL4dhNMEE5uuuR-0-c068337316373bec3dc20c865d12eb32)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_23.jpg?sign=1738893451-lMmzGm9BUzPhPp4jwDUf6xL2Fq6YkNEp-0-1997404f940437202eb6e2fc11ebc80c)
图5-20 翼型1406cut平均升力系数、阻力系数和俯仰力矩的曲线
翼型1406cut的速度分布见图5-21。
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_24.jpg?sign=1738893451-C5hbk0VS9QCBFKjeNCO1adM4sosYClCm-0-1c7e11fe6f87fa4fbb707412f9cad9da)
图5-21 翼型1406cut的速度分布
(a)α=0°;(b)α=5°;(c)α=10°;(d)α=15°;(e)α=20°