| 传热对叶尖间隙的影响 |
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| 引用本文： | 王宝官,李玲.传热对叶尖间隙的影响[J].推进技术,1995,16(2):36-39,35. |
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| 作者姓名： | 王宝官 李玲 |
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| 作者单位： | 南京航空航天大学动力工程系 |
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| 摘 要： | 分析了影响叶尖间隙的诸因素，提出了计算瞬变状态下叶尖间隙变化的方法，并以某发动机为例，计算出一级压气机在不同工况下的隙量，给出间隙随时间变化的曲线图。
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| 关 键 词： | 压气机 叶尖间隙 热应力 传热 航空发动机 |
A STUDY IN EFFECT OF HEAT TRANSFER ON BLADE-TIP-CLEARANCE |
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| Wang Baoguan and Li Ling.A STUDY IN EFFECT OF HEAT TRANSFER ON BLADE-TIP-CLEARANCE[J].Journal of Propulsion Technology,1995,16(2):36-39,35. |
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| Authors: | Wang Baoguan and Li Ling |
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| Institution: | Dep. of Power Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing,210016;Dep. of Power Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing,210016 |
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| Abstract: | Transient clearances at blade tips are discussed, which transient rotational speeds, thermal parameters,physical parameters, geometrical parameters,etc. Among of these, the main effects are thermal expansion and centrifugal extension.With a series of calculations, a variation map of the clearance along with time has been drawn. |
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| Keywords: | Compressor part Blade tip clearance Thermal stress Thermal expansion analysis |
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