| 固体中的高压声速 |
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| 引用本文： | 汤文辉.固体中的高压声速[J].国防科技大学学报,2005,27(4):1-3. |
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| 作者姓名： | 汤文辉 |
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| 作者单位： | 国防科技大学,理学院,湖南,长沙,410073 |
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| 基金项目： | 国家自然科学基金资助项目(10276039) |
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| 摘 要： | 高压声速是表征凝聚介质在极端条件下性质的重要参数之一。从冲击绝热线和Gruneisen物态方程出发,导出了与冲击绝热线相容的等熵线,进而给出了沿等熵压缩线和等温压缩线以及冲击绝热线的声速的计算公式。对铝和钨的Hugoniot声速进行了计算,计算结果与实验结果符合得很好。
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| 关 键 词： | 高压声速 冲击绝热线 等熵线 等温压缩 |
| 文章编号： | 1001-2486(2005)04-0001-03 |
| 收稿时间： | 2004/12/30 0:00:00 |
| 修稿时间： | 2004年12月30 |
The Sound Velocity of the Solids under High Pressure |
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| TANG Wenhui.The Sound Velocity of the Solids under High Pressure[J].Journal of National University of Defense Technology,2005,27(4):1-3. |
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| Authors: | TANG Wenhui |
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| Institution: | College of Science, National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | The sound velocity of the materials at sufficiently high pressure is an important quantity reflecting material qualities under extreme conditions. In this paper, from the shock adiabatics and the Gruneisen equation of state, an isentropic, which corresponds to shock adiabatics, is delivered, and the formulas of calculating sound velocity along isentropic and isothermal compression, as well as the Hugoniot curves, are presented. The Hugoniot sound velocities of aluminum and tungsten are calculated. The calculated results are in good accord with the experimental results. |
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| Keywords: | sound velocity under high pressure shock adiabatics isentropic isothermal compression |
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