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頁籤選單縮合
題 名 | Computations of the Divergent Portion of a Two-Dimensional Supersonic Nozzle=二維超音速噴嘴擴張部分之計算 |
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作 者 | 仲偉浩; 王瑞陽; | 書刊名 | 黃埔學報 |
卷 期 | 52(工程科學類) 2007.03[民96.03] |
頁 次 | 頁17-24 |
分類號 | 446 |
關鍵詞 | 超音速流; 噴嘴; 馬赫數; 震波; 尤拉方程式; Supersonic flow; Nozzle; Mach number; Shock wave; Euler equation; |
語 文 | 英文(English) |
中文摘要 | 本文設計超音速流之噴嘴,並使其長度為最小、出口處之氣流為均勻且平行於噴嘴之中心線、噴嘴中之氣流為無震波及噴口處之馬赫數等於預設值,基於此數項原則描繪出噴嘴擴張部分之形狀以供評估噴嘴長如何隨馬赫數而變,數值解和理論解之比較證明了計算所得之準確性。 |
英文摘要 | The nozzle for supersonic flow is designed in this paper such that it is of minimum length, flow at the exit is uniform and parallel to the centerline of the nozzle, the flow within the nozzle is shock free, and the Mach number at exit equals the desired one. Based on these principles, contour lines representing the wall of the divergent portion of the nozzle are plotted, enabling the evaluation of nozzle lengths which depend on the Mach number. Comparisons between numerical and analytical solutions are made to assure the accuracy of computations. |
本系統中英文摘要資訊取自各篇刊載內容。