Thermal conductivity of dimethyl carbonate in liquid phase

SONG Linfeng; WU Jiangtao; LIU Zhigang

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Thermal conductivity of dimethyl carbonate in liquid phase

更新时间：2025-12-10

- Thermal conductivity of dimethyl carbonate in liquid phase
- CIESC Journal Issue 3, Pages: 551-556(2008)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 March 2008，
  
  Published：05 March 2008
- 稿件说明：
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SONG Linfeng, WU Jiangtao, LIU Zhigang. Thermal conductivity of dimethyl carbonate in liquid phase[J]. CIESC Journal, 2008, (3): 551-556.
DOI：

SONG Linfeng, WU Jiangtao, LIU Zhigang. Thermal conductivity of dimethyl carbonate in liquid phase[J]. CIESC Journal, 2008, (3): 551-556. DOI：

摘要

利用瞬态单热线法重新研制了一套可耐高压的热导率测量装置，热导率测量的不确定度为±2%。用推荐物质甲苯对该装置在286～350 K的温度范围内进行了检验，得到的结果与甲苯热导率推荐值的绝对平均偏差为0.48%。用该装置对温度区间为290～390 K、压力区间为0.1～30 MPa的碳酸二甲酯(DMC)的热导率进行了实验研究，并将实验数据拟合成关于温度和压力的热导率方程，实验数据与拟合方程计算值的最大偏差为-1.97%，绝对平均偏差为0.86%。

Abstract

A new apparatus using the transient single hot-wire method was developed to measure the thermal conductivity under high pressure.The experimental system was tested by measuring the thermal conductivity of toluene from 286 K to 350 K

with an absolute average deviation from the recommended values of 0.48%.Measurements were performed with liquid dimethyl carbonate over the temperature range from 290 K to 390 K and pressure range from 0.1 MPa to 30 MPa.The data of thermal conductivity were correlated as a function of temperature and pressure.The maximum deviation and the absolute average deviation between the experiment values and the calculated values were -1.97% and 0.86%

respectively.

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