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Improved computation of pressure coefficient and temperature coefficient of ultrasonic velocity in organic liquids |
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| Authors: | Yigang Lu Jianxin Peng Jie Tong Yanwu Dong |
| Institution: | (1) Department of Physics, South China University of Technology, 510641 Guangzhou, China;(2) Applied Acoustics Institute, Shaanxi Normal University, 710062 Xi’an, China |
| Abstract: | Based on Jacobson’s molecular free length theory in liquids and the relationship between the ultrasonic velocity and the molecular free length in organic liquids, the equations of pressure coefficient and temperature coefficient of ultrasonic velocity in organic liquids are derived. The calculated pressure coefficient and temperature coefficient of ultrasonic velocity are in good agreement with the measured results. |
| Keywords: | organic liquid ultrasonic velocity pressure coefficient of ultrasonic velocity temperature coefficient of ultrasonic velocity |
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