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題名 | Unsteady Blade Force in an Axial Compressor Part 1: Physical Phenomena, Experimental Facility and Calculations=軸流壓縮機葉片非定常受力一:物理現象,實驗設備,及計算 |
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作者 | 胡文聰; 許書宗; Wo, Andrew M.; Hsu, Shu-tzung; |
期刊 | 中國機械工程學刊 |
出版日期 | 19971000 |
卷期 | 18:5 1997.10[民86.10] |
頁次 | 頁427-436 |
分類號 | 446.734 |
語文 | eng |
關鍵詞 | 軸流壓縮機; 葉片; 受力; 物理現象; 實驗設備; Axial compressor; Unsteady blade force; Vortical and potential disturbances; |
英文摘要 | 本文之第一部份討論軸流壓縮機葉片非定常受力之物理現象、實驗設備、及數值 計算。造成非定常現象之主因為渦流及勢流效應。實驗設備詳細介紹新製造完成之大型軸流 壓縮機研究設備。數值部份使用 Navier-Stokes 及 panel 程式進行計算。文中詳細說明分 解非定常流場及分解葉片非定常受力為渦流及勢流效應之方法。實驗及計算結果撰錄在本文之 第二部份,結果針對上游及下游葉片排列作詳細討論。 s convecting downstream and impinging upon the succeeding blade row, which is the dominant physical mechanism for unsteady blade force. The potential contribution arises from pressure disturbance due to relative motion between rotating and stationary blade rows. A newly-built large-scale axial compressor research facility is described in detail. Navier-Stokes and panel codes are also used to complement the experimental effort. Methods used to decompose the disturbance and blade force into vortical and potential contributions are described and justified. Results are presented in Part 2 of this paper, with the focus on unsteady stator force due to disturbances from both upstream and downstream blade rows. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。