強震後單次元流動現象

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Title:	強震後單次元流動現象 One-dimensional Flow after a Strong Shock Wave
Authors:	陳慶芳
Contributors:	華岡工程學報
Date:	1984-06
Issue Date:	2014-11-13 10:07:42 (UTC+8)
Abstract:	內燃機的爆震(detonation)現象類似單次元強震波傅播過程。本文純以流動觀點研討其爆後之流動狀況。解法採用線函數Ψ作爲主變數，使關係式簡化；再以相似關係，將二變數合而爲一，偏方式轉換成全微分式，演繹至爲便捷。本文解折震後速度分佈機乎與三次元者相同，但壓力或密度變化則差異較大，震波速度亦較快。 Detonation creats a strong shock wave that propagates to and fro in the cylinder. Upon the view of mechanics, this paper discusses the one-dimensional flow after a strong shock wave. By variable transformation and taking stram function of as an independent variable, the flow equations become of simple forms. Further by similer transformation, the partial equations are transformed into total ones. Solution of these equations shows that the velocity distribution in one-dimensional flow area is almost the same as in the 3-dimensional one, but the pressure and density are different, and especially, the shock propagation speed is more fast.
Relation:	華岡工程學報； 2 期 (1984 / 06 / 01) ， P45 - 54
Appears in Collections:	[College of Engineering] Chinese Culture University Hwa Kang Journal of Engineering

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