文章摘要
党长久,张海澜.原油中声衰减和声速的温度特性的测量[J].,1994,12(4):11-15
原油中声衰减和声速的温度特性的测量
Measurement of Acoustic Attenuation and Velocity versus Temperature in Crude Petroleum
  
中文摘要:
      原油是一种混合物。它的一些性质随温度而变,如原油的声衰减和声速都是温度的函数.本文使用一个换能器发射声波,另一个换能器接收声波,在实验室内测得12t-80℃之间的声波幅度值,利用插值算法,求出该温度范围内原油声衰减的温度特性曲线;利用线性拟合算法,求出原油声速的温度特性曲线。结果表明:随着温度的升高,原油的声衰减和声速都呈下降趋势,而且测量结果与换能器的灵敏度无关.
英文摘要:
      Crude petroleum is a kind of mixture, some features of which, such as acousticattenuation and acoustic speed, vary with its temperature. In our work, the acousticwave was generated by one transducer, then received by another, and the amplitudewas recorded with the petroleum temperature varying between 12wr and 8Oxi. Fromthese data, the acoustic attenuation versus the temperature is obtained by the inter-polation method, and the acoustic speed versus the temperature by the linear fit me-thod. It is found that both the acoustic attenuation constant and the acoustic speedof the crude petroleum decrease when its temperature increases- lt is also found thatthe above results are independent of the sensitivity of the transducers.
DOI:10.11684/j.issn.1000-310X.1994.04.003
中文关键词: 原油  温度特性曲线  换能器灵敏度  声衰减系数  发射换能器  声速  接收换能器  温度变化  声波幅度  声信号
英文关键词: 
基金项目:
作者单位
党长久 中国科学院声学研究所!北京100080 
张海澜 中国科学院声学研究所!北京100080 
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