| 旋转蛇形通道内冷气流动和换热的数值模拟 |
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| 引用本文： | 刘传凯,邓宏武,陶智,丁水汀,徐国强.旋转蛇形通道内冷气流动和换热的数值模拟[J].航空动力学报,2005,20(4):662-667. |
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| 作者姓名： | 刘传凯 邓宏武 陶智 丁水汀 徐国强 |
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| 作者单位： | 北京航空航天大学,航空发动机气动热力重点实验室,北京,100083 |
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| 基金项目： | 航空科学基金资助(03C51028) |
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| 摘 要： | 对于具有近真实发动机参数的涡轮叶片蛇形内冷通道,数值模拟了旋转状态下光滑、前后缘带肋及环肋结构的内流场和温度场分布,对比分析了其流动和换热特性。结果表明,带肋通道各面换热均明显好于光滑面通道;旋转对各通道进气段的影响比出气段明显;哥氏力在环肋通道中产生了最为强烈的截面二次流;光滑通道出气段换热受弯管效应的影响最为显著。
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| 关 键 词： | 航空、航天推进系统 燃气轮机 冷却叶片 对流传热 旋转 |
| 文章编号： | 1000-8055(2005)04-0662-06 |
| 收稿时间： | 2004/7/31 0:00:00 |
| 修稿时间： | 2004年7月31日 |
Prediction of Turbulent Flow and Heat Transfer within Rotating U-Shaped Passages |
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| LIU Chuan-kai,DENG Hong-wu,TAO Zhi,DING Shui-ting and XU Guo-qiang.Prediction of Turbulent Flow and Heat Transfer within Rotating U-Shaped Passages[J].Journal of Aerospace Power,2005,20(4):662-667. |
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| Authors: | LIU Chuan-kai DENG Hong-wu TAO Zhi DING Shui-ting and XU Guo-qiang |
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| Institution: | National Key Laboratory of Aircraft Engine, Beijing University of Aeronautics and Astronautics,Beijing100083,China;National Key Laboratory of Aircraft Engine, Beijing University of Aeronautics and Astronautics,Beijing100083,China;National Key Laboratory of Aircraft Engine, Beijing University of Aeronautics and Astronautics,Beijing100083,China;National Key Laboratory of Aircraft Engine, Beijing University of Aeronautics and Astronautics,Beijing100083,China;National Key Laboratory of Aircraft Engine, Beijing University of Aeronautics and Astronautics,Beijing100083,China |
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| Abstract: | |
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| Keywords: | aerospace propulsion system gas turbines cooling blades conservative heat transfer rotating |
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