| 范氏气体准静态开放式系统与气枪子波模拟 |
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| 引用本文： | 张雪阳,袁修贵,朱世华,赵庆献,伍忠良.范氏气体准静态开放式系统与气枪子波模拟[J].物探化探计算技术,2014(4):458-461. |
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| 作者姓名： | 张雪阳 袁修贵 朱世华 赵庆献 伍忠良 |
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| 作者单位： | 中南大学数学与统计学院;广州海洋地质调查局; |
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| 基金项目： | 127工程(GZH201100307) |
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| 摘 要： | 在范氏气枪模型中,理想气体准静态开放式系统方程通常被直接应用在范氏气体条件下,从而引起模拟结果的偏差。这里详细推导了范氏气体条件下准静态开放式热力学系统方程,并结合气泡振荡方程,应用四阶Runge-Kutta方法进行子波模拟。经过与实际数据对比分析,得到比原范氏气枪模型更接近实测子波的结果。
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| 关 键 词： | 准静态开放式热力学系统 范氏气体 气枪震源 子波模拟 |
The open quasi-static thermodynamic system in the condition of Van der waals gas and simulation of air gun signature |
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| Institution: | ZHANG Xue-yang, YUAN Xiu-gui, ZHU Shi-hua, ZHAO Qing-xian, WU Zhong-liang (1. School of Mathematics and Statistics,Central South University,Changsha 410083,China; 2. Guangzhou Marine Geological Survey, Guangzhou 510760, China) |
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| Abstract: | Generally,the open quasi-static thermodynamic system in the conditions of ideal gas is used in the single air-gun wavelet model of Van der waals gas.In this paper,a new equation of the open quasi-static thermodynamic system in the condi-tion of Van der waals gas is given.A single air-gun wavelet model of Van der waals as based on the new equation and the bub-ble oscillation theory is established.It can be solved by the fourth order Runge--Kutta method.With the experiment,the result shows that the modeling wavelet is very close to the measured wavelet. |
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| Keywords: | the open quasi-static thermodynamic system Van der waals gas air-gun wavelet model |
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