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用声学方法测量气液混相物质中的含气量

MEASUREMENT OF CONCENTRATION OF ENTRAINED AIR IN AIR LIQUID MIXTURES

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【作者】 高永慧吴小薇沈本善

【Author】 Gao Yonghui, Wu Xiaowei and Shen Benshan/

【机构】 石油大学基础部

【摘要】 用几种频率的声波测定了气白油、气水混相物质中的声速和声透射损失。结果发现,声速比值随含气量的增加而变小,但变化幅度不大,不宜用声速比值来反映混相物质中的含气量;而声透射损失随含气量的增加而急剧增大,在气泡大小、分布一定的情况下,可以用声透射损失来反映混相物质中的含气量。

【Abstract】 The acoustic velocity and sound transmission loss in air white oil and air water mixtures were measured by using acoustic wave with different frenquencies. The experiment results indicate that the ratio of acoustic velocity decreased with increasing concentration of entrained air, and the change was not large. The concentration of entrained air can not be determined by using the ratio of acoustic velocity. The sound transmission loss increased markedly with increasing concentration of entrained air, while the size and distribution of bubble were determined. The concentration of entrained air may be determined by using the sound transmission loss in air liquid mixtures.

  • 【文献出处】 石油大学学报(自然科学版) ,JOURNAL OF THE UNIVERSITY OF PETROLEUM,CHINA , 编辑部邮箱 ,1999年01期
  • 【分类号】TE622.12,TB513
  • 【被引频次】13
  • 【下载频次】162
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