Experimental Measurement of Surface Tension of R1336mzz(Z)and Its Mixtures with Polyolester Lubricant

DOU Wenbo; ZHANG Yujing; WANG Xiaopo

doi:10.7652/xjtuxb202308009

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Experimental Measurement of Surface Tension of R1336mzz(Z)and Its Mixtures with Polyolester Lubricant

更新时间：2025-05-08

- Experimental Measurement of Surface Tension of R1336mzz(Z)and Its Mixtures with Polyolester Lubricant
- Vol. 57, Issue 8, Pages: 86-91(2023)
- 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,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202308009
  CLC： TK121
- Online First：10 August 2023，
  
  Published：2023
- 稿件说明：
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DOU Wenbo, ZHANG Yujing, WANG Xiaopo. Experimental Measurement of Surface Tension of R1336mzz(Z)and Its Mixtures with Polyolester Lubricant[J]. 2023, 57(8): 86-91.
DOI：

DOU Wenbo, ZHANG Yujing, WANG Xiaopo. Experimental Measurement of Surface Tension of R1336mzz(Z)and Its Mixtures with Polyolester Lubricant[J]. 2023, 57(8): 86-91. DOI： 10.7652/xjtuxb202308009.

摘要

为补充新型烯烃类环保制冷工质的表面张力实验数据

为其相变换热及两相流动计算提供可靠的基础物性数据

采用毛细管上升法测量了顺式-1

4-六氟-2-丁烯(R1336mzz(Z))纯质及其与POE润滑油(型号SL-32S)组成的混合物的表面张力。所研究的润滑油质量分数分别为0.130%、0.536%、1.040%

测量的温度范围为243～363 K

表面张力的测量标准不确定度小于0.16 mN·m

-1

。结果表明:润滑油含量越高

混合物表面张力越大; 与纯质表面张力相比

随着温度升高

混合物表面张力增幅逐渐减小。采用经验方程对实验数据进行拟合

结果发现

R1336mzz(Z)及R1336mzz(Z)/SL-32S混合物的表面张力计算值和实验数据的平均绝对偏差分别为0.07 mN·m

-1

和0.14 mN·m

-1

。所得结论可为R1336mzz(Z)应用于各类制冷/热泵系统提供基础的物性数据。

Abstract

To complement the experimental data of the surface tension of new environmentally-friendly olefin refrigerant

and to provide the reliable data for the calculation of phase change heat transfer and two-phase flow

the surface tension of cis-1

4-hexafluoro-2-butene(R1336mzz(Z))and the mixtures with POE lubricant(type: SL-32S)was measured using the differential capillary rise method. The mass fractions of the studied lubricant for the mixtures are 0.130%

0.536%

and 1.040%

respectively. The measuring temperature was from 243 K to

363 K

and the measurement standard uncertainty for the surface tension was less than 0.16 mN·m

-1

. Results show that the surface tension of the mixtures increases with the lubricant concentration. Moreover

the surface tension of the mixtures shows a reduced increase amplitude as the temperature rises

compared with that of pure R1336mzz(Z). The experimental surface tension was correlated as the empirical expression

and the average absolute deviations between the experimental data and the calculated values for the pure R1336mzz(Z)and R1336mzz(Z)/SL-32S mixtures were 0.07 mN·m

-1

and 0.14 mN·m

-1

respectively. The obtained results can provide the essential surface tension data for the further application of R1336mzz(Z)to various types of refrigeration/heat pump systems.

关键词

Keywords

references

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