| 自由体积理论下液体声速、声速系数及非线性声参量B/A的研究 |
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| 引用本文： | 王军,仝杰,尚志远,王志刚,王公正.自由体积理论下液体声速、声速系数及非线性声参量B/A的研究[J].声学技术,1997,16(4):186-188. |
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| 作者姓名： | 王军 仝杰 尚志远 王志刚 王公正 |
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| 作者单位： | 陕西师范大学应用声学研究所 |
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| 摘 要： | 用液体自由体积理论研究了有机液体的声速，声速系数及非线性声参量与分子结构和分子势能的关系。结果表明分子间的作用力是影响声速，声速系数及非线性声参量的主要原因。同时非线性声参量Ｂ／Ａ也体现了液体分子结构方面的信息。
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| 关 键 词： | 声速 声速系数 非线性声参量 有机液体 分子势能 |
| 收稿时间： | 1996/10/21 0:00:00 |
| 修稿时间： | 1996/12/23 0:00:00 |
Study of the ultrasound velocity coefficient of sound velocity and nonlinear parameter B/A in organic liquid based on free volume theory |
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| WANG Jun,TONG Jie,SHANG Zhiyuan,WANG Zhigang and WANG Gongzheng.Study of the ultrasound velocity coefficient of sound velocity and nonlinear parameter B/A in organic liquid based on free volume theory[J].Technical Acoustics,1997,16(4):186-188. |
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| Authors: | WANG Jun TONG Jie SHANG Zhiyuan WANG Zhigang and WANG Gongzheng |
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| Abstract: | In this article,based on the free volume theory,we discuss the relation between ultrasound velocity,coefficient of sound velocity,nonlinear parameter B/A and molecular structures,potential enegy in organic liquid.The results show that the intermolecular potential energy is the dominant factor which determines the value and character of ultrasound velocity in organis liquide,and B/A value can be used to predict liquid molecular structures.This article will help to study equation of state for liquid and reveal what information the B/A predicts at the molecular level. |
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| Keywords: | ultrasound velocity nonlinear parameter organic liquid molecular potention energy equation of state |
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