| 误差函数的有限形式近似式及其应用 |
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| 引用本文： | 郭俊克,郭苏凯.误差函数的有限形式近似式及其应用[J].太原理工大学学报,1988(3). |
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| 作者姓名： | 郭俊克 郭苏凯 |
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| 作者单位： | 太原工业大学数学力学系，河津县城建局 |
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| 摘 要： | 本文从理论上给出了误差函数的一个有效的有限形式的近似表达式,并据此给出了概率积分、化工传递中透过曲线、半无限介质中热扩散方程的解、层流边界层的Blussius解及泥沙运动力学中Einstein推移质输沙率公式等的有限形式表达式,其精度较高。
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| 关 键 词： | 误差函数 近似式 概率积分 透过曲线 扩散方程 层流边界层 Einstein输沙率 |
Finite Approximate Formula of Erorr Function and Its Applications |
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| Guo Junke Guo Shukei.Finite Approximate Formula of Erorr Function and Its Applications[J].Journal of Taiyuan University of Technology,1988(3). |
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| Authors: | Guo Junke Guo Shukei |
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| Institution: | Guo Junke Guo Shukei |
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| Abstract: | In this paper,an effective finite approximate formula of erorr function is derived.Accordingly, the author also gives some approximate solutions of the fllowing problems: (1) probablity integration; (2) the approximate formula of Breakthrough curves for fixed beds; (3) solution of heat conductino equation in semi-infinite medium; (4) Blussius solution of laminar boundary layer; and (5) Einstein's bed load trasport formula in sediment transport mechanics. |
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| Keywords: | error function approximate formula proberbility integration breakthrough curves heat conduction equation laminar boundary layer einstein's bed transportation |
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