Measurement and prediction of speed of sound of three FAEEs

ZHENG Xiong; CHEN Yutian; ZHANG Ying; HE Xinxin; LIANG Lili; HE Maogang

doi:10.11949/j.issn.0438-1157.20160236

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Measurement and prediction of speed of sound of three FAEEs

更新时间：2025-11-26

- Measurement and prediction of speed of sound of three FAEEs
- CIESC Journal Issue 7, Pages: 2679-2684(2016)
- 作者机构：
  
  西安交通大学热流科学与工程教育部重点实验室,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160236
  CLC： K6
- Online First：05 July 2016，
  
  Published：05 July 2016
- 稿件说明：
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ZHENG Xiong, CHEN Yutian, ZHANG Ying, et al. Measurement and prediction of speed of sound of three FAEEs[J]. CIESC Journal, 2016, (7): 2679-2684.
DOI：

ZHENG Xiong, CHEN Yutian, ZHANG Ying, et al. Measurement and prediction of speed of sound of three FAEEs[J]. CIESC Journal, 2016, (7): 2679-2684. DOI： 10.11949/j.issn.0438-1157.20160236.

摘要

生物燃料作为化石燃料的替代物越来越受到人们的关注，脂肪酸乙酯（FAEEs）是生物燃料中的重要成分。为了获取生物燃料组分的物性参数，补充现有数据不足，利用布里渊散射法对3种脂肪酸乙酯的声速进行了测量，测量温度范围为293.15~473.15 K，压力为0.1 MPa。为方便工程应用，实验数据被拟合成温度的函数，实验值与关联式计算值的相对偏差绝对平均值为：0.13%（己酸乙酯）、0.11%（庚酸乙酯）、0.08%（辛酸乙酯）。实验数据也被用来评估两种生物燃料声速预测方法，结果表明，Wada模型优于Auerbach模型，更适合脂肪酸乙酯的声速预测。

Abstract

Biodiesels are regarded as the promising additives for fossil fuels

and fatty acid ethyl esters (FAEEs) are the main components of biodiesels. In order to obtain their speed of sound data

the speed of sound of three FAEEs were measured in this work using Brillouin light scattering method at temperatures from 293.15 K to 473.15 K and pressure of 0.1 MPa. The correlation for the speed of sound was also fitted as the function of temperature. The AAD was 0.13% for ethyl hexanoate

0.11% for ethyl cinnamate and 0.08% for ethyl caprylate. The experimental data were also used to assess the predictive ability of Wada's model and Auerbach's model. It was shown that the former performed better than the latter one for the prediction of speed of sound of FAEEs.

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Related Author

CHEN Yutian

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ZHENG Xiong

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Related Institution

Key Laboratory of Thermal-Fluid Science and Engineering of Ministry of Education, Xi'an Jiaotong University

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