| 高超声速锥导乘波体非设计点性能研究 |
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| 引用本文： | 赵志,宋文艳,肖隐利.高超声速锥导乘波体非设计点性能研究[J].飞行力学,2009,27(1). |
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| 作者姓名： | 赵志 宋文艳 肖隐利 |
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| 作者单位： | 西北工业大学,动力与能源学院,陕西,西安,710072 |
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| 摘 要： | 对设计马赫数6的锥导乘波体在马赫数4～7、迎角-6°～+6°的三维流场进行了数值模拟.研究表明:粘性对阻力系数的影响较大;非设计马赫数时,锥导乘波体的升阻比没有明显减小;升力系数与迎角呈线性关系,随着迎角增大而增大;升阻比在+2°迎角下达到最大.
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| 关 键 词： | 高超声速 乘波体 升阻比 数值模拟 非设计点 |
Numerical Simulation on Off-Design Performance of Hypersonic Cone-Derived Waverider |
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| ZHAO Zhi,SONG Wen-yan,XIAO Yin-li.Numerical Simulation on Off-Design Performance of Hypersonic Cone-Derived Waverider[J].Flight Dynamics,2009,27(1). |
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| Authors: | ZHAO Zhi SONG Wen-yan XIAO Yin-li |
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| Institution: | School of Engine and Energy;Northwestern Polytechnical University;Xi'an 710072;China |
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| Abstract: | Numerical Simulation was performed on the cone-derived waverider with design Mach number of 6.The calculations studied both design and off-design conditions,including angles of attack from-6 to+6 degrees at the design Mach number and at the off-design Mach numbers of 4,5 and 7 at zero angle of attack.The effects of flight Mach numbers and angles of attack are analyzed.The result shows that the viscosity has a great effect on the drag coefficient of a cone-derived waverider.The lift coefficient increases lin... |
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| Keywords: | hypersonic waverider lift-to-drag ratio numerical simulation off-design point |
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