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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=1739547139-R3P9ed4wEfZUzkuWbZ75xFjv9KayGIzt-0-c9f638166dd7192cd52b97187d34537d)
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=1739547139-dDnCnyJ6SPghHCe9153daWq4HuskYgQf-0-896eee75630195c8e79393446853c281)
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=1739547139-dVfm7LbDcX3Tc5cjr7ixPlpKhKbRCH50-0-e5de9e8f31f9e3afdbe3a4ebce7489aa)
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=1739547139-fbFLgnEDz3Py8zu2pt0hrMvIjESyp0Fa-0-e93a29605dc3c45bebfdc11a17481f77)
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=1739547139-G6BhvPsmIEdJDpbVPk3PS4TJoIuS9Xgc-0-7fb1afe05eec3edc11a1e525b5005ed7)
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=1739547139-lTTkj2hMpCVzctSq1no7xSvZ8LiuMj7q-0-31f39c0b826cbb57223c10ffe031b905)
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=1739547139-nhWUEBXJvYNj7eISqn47LbvgdIQ2djK5-0-7664abf00fd8e1bbd0eee99600999905)
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=1739547139-hrVOkJhskPe81wAPtAKwETkkzwT6aQD8-0-a067e8221e630cf93dfb392edaf6e70a)
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=1739547139-e53qubxB8xBCnjtStcpVbX73YZDj5Ypy-0-77c0493d3552cc9ce1f3f4ec7232dd43)
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=1739547139-qOtCsFAkxmU7SvDsJHplMK8OMshZjE5Q-0-dfddbe27054e87f3764065e348cdc73a)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_17.jpg?sign=1739547139-x1q9KgJFNkjdKoZQZ2FxsM9iafXLyjL9-0-eeb95326eb67ded3d690f3342c8b0d9b)
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=1739547139-GluMFae4uqwd3xRJ2okbiBIMvUVnGNBr-0-fc1899e0b3f16735ae873e54e32b00dd)
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=1739547139-iUKNSNun1bjZ6qgfNOoxC7VRBDUMJ2Lk-0-f48e2c27161ddccec6c6d40941f33ec6)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_20.jpg?sign=1739547139-cFTtVgxtK55hw3P7GvIqDEu5XzPuguE6-0-2a24a1877c53f8f570819c44c6f21885)
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=1739547139-w8aM1aJqPczlZ5375wvvUeRytdmoWdMs-0-57546d4f22f82eb4168e3efdec020584)
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=1739547139-egRTnMOVlLUurXQFsAbZOR5xPvTrvWZt-0-8733ca0c17d876181810abe91cda6e01)
![img](https://epubservercos.yuewen.com/72203A/19720708801112506/epubprivate/OEBPS/Images/txt007_23.jpg?sign=1739547139-wy2yHpFciV3kFYruax25jHeeb4rEWHSB-0-b8a34c2e786ad641247649a027022f15)
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=1739547139-i6y6zevfMtXJwG33dBuJoZ78yPQj3yks-0-82ac4663812adc85b82437e62063ba54)
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°