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題 名 | 傳火管內壓力波、溫度及孔隙度分析=Am Investigation of Pressure Wave and Flame Propagation from a Perforated Tube |
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作 者 | 葛揚雄; 紀慶嘉; 楊浩; 胡文華; | 書刊名 | 火藥技術 |
卷 期 | 15:1 1999.03[民88.03] |
頁 次 | 頁45-57 |
分類號 | 462.11 |
關鍵詞 | 火焰傳播; 壓力波; 空隙率; Flame propagation; Pressure wave; Porosity; |
語 文 | 中文(Chinese) |
中文摘要 | 本文建立一維暫態兩相流模式並且配合 Lax-Wendroff 數值方法,對內彈道學方 面,火砲砲膛或藥筒內在發射藥藥粒充填後所形成的多孔介質藥床中,埋設表面成多孔內管 式傳火管進行燃燒現象之模擬分析,探討多孔內管中充填火藥燃燒後之火焰軸向傳播及壓力 波傳遞之特性,改變空隙率(即裝藥密度)對燃燒現象影響之模擬。結果顯示:空隙率大者 對整個火藥鍵而言,比其它空隙率小者除具有適當的燃燒條件外並符合裝藥量少的經濟效益 。 |
英文摘要 | In this paper, we establish a one dimensional, transient, two-phase flow model and use basic computational method Lax-Wendroff Method to simulate and analyze the combustion phenomenon in the center core igniter of large caliber. There are many objectives in this research which are to select the best decimation and understand the combustion effects under the different types of porosity. The results show that the large porosity which means low loading density of the primer, step type energy release, have good center core igniter combustion efficiency. |
本系統中英文摘要資訊取自各篇刊載內容。