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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=1738893945-ZOHPyb5DgqwQiDMgqp9fPtEX8BAzDMaB-0-62c728d7e0ebba00b0b6294ccf1a3642)
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=1738893945-YyPMYkQeOZbIeoOyeUNCyDA1oFj6E50p-0-8abf680291f8bdc241ce02fa7f54f1cc)
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=1738893945-uxJq69qZbwXQyQ7HbYyZMr9D08QIP2CZ-0-412adb038a71ac84c53aebd657a9f2b9)
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=1738893945-IKTUjfZOtieHUruaBAXI8Zfk8fgxJZ4v-0-5b21208fdec77cdcaf4e4a32b1b29e26)
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=1738893945-cFwqqrS7Joe0FmjiUfcpyxI1olV4qkRD-0-4e414661cfd66c4d000d85adf9649c58)
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=1738893945-5gB98YkhItGnZggnnl8l72wbwZ6LI9NF-0-b03170619c96bc3cbdc4e6eb2742a102)
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=1738893945-lxaelapnP8OglrardPVvcJuT6OrngbWd-0-79484cc51f887b2faed2471caaf12afd)
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=1738893945-1d5geIT8VLudUXOC6JsUtjwZE7oB86YX-0-ab2310f6f8c840a74ed9bdb8b0783a3c)
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=1738893945-zR9sJMfGxYMwjy1CLQ00KM3VMIxQ5zda-0-1f69d1f2d3f5bec78587c215e65d5081)
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=1738893945-CPAhahYujrDEM4YVV2JOL8Znb3B8sdna-0-e3267a1d4b13e92a452447613284c41c)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_17.jpg?sign=1738893945-Yp0zoznx467Wx4gpHGDLcE8RwdgSyejx-0-853c0c9acc48ce779d6dfb83b3bc99dd)
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=1738893945-D9mo7Wr214eGizqhF69o0i4lag3CawZe-0-df2ddaa503635c0500d03d87cd107f85)
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=1738893945-5MsTLdkkEh6FQaJMSLTMUcxUHuW8Lage-0-8722422771688b2f14be60e47ddf0d3f)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_20.jpg?sign=1738893945-PvVBvpYRammOOW65UCaYBXGWN7cpgZ14-0-ca461896714801066445bfe34454e2af)
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=1738893945-X3QkIvYdHNBRhRD5ecMQOAowZSaipVP1-0-73896da66460d6bdd7aac740a5638327)
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=1738893945-RuogUwTMnW7n91PT3Pnp5P0FR1t0lqLa-0-63b11224d0cdcaf8e21b347ccef4341d)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_23.jpg?sign=1738893945-gZ2xbqb2NHKgeF5sNBg2VFZQThLvhLXz-0-3f9aede3b01716234f070aed2cb15c6a)
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=1738893945-dVnP1HYw74OoJWTfIoHBBwa8UPFbqKLp-0-1c9565ee68e6b66e9d617d3313643f46)
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°