Development and Verification of High Accuracy Apparatus for Solubility Measurement

崔晓龙 1; 陈光明 1; 王勤 1; 李昌圣 2; 韩晓红 1

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Development and Verification of High Accuracy Apparatus for Solubility Measurement

更新时间：2025-12-08

- Development and Verification of High Accuracy Apparatus for Solubility Measurement
- Vol. 41, Issue 7, Pages: 862-866(2007)
- 作者机构：
  
  浙江大学制冷与低温工程研究所,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ016.1
- Online First：10 July 2007，
  
  Published：2007
- 稿件说明：
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崔晓龙 1, 陈光明 1, 王勤 1, et al. Development and Verification of High Accuracy Apparatus for Solubility Measurement[J]. 2007, 41(7): 862-866.
DOI：

崔晓龙 1, 陈光明 1, 王勤 1, et al. Development and Verification of High Accuracy Apparatus for Solubility Measurement[J]. 2007, 41(7): 862-866. DOI：

摘要

研制了一套高精度制冷工质溶解度实验系统

由自行开发的测控软件进行计算机实时测控.实验系统包括高精度温度测量系统(在253.15 ～ 363.15 K范围内

测量的不确定度小于±14 mK)

高精度压力测量系统(在0 ～ 3.5 MPa范围内

测量的不确定度小于±1.6 kPa)

高精度恒温水浴(293.15 ～363.15 K)

高精度恒温酒精浴(253.15 ～293.15 K)

真空及配气系统等.对283.15～348.15 K温度范围内HFC-134a的饱和蒸气压进行了测量

并与标准值进行了比较

测量的平均偏差为0.54%.用此装置对制冷剂R22在吸收剂N

N-二甲基甲酰胺中的溶解度进行了实验研究

并同文献提供的数据进行对比

结果表明该实验系统具有较高的精度.

Abstract

A new apparatus was developed to investigate solubility characteristics of refrigerant-absorbent. It consists of a temperature measurement system(253.15 -363.15 K

temperature uncertainty less than ±14 mK)

a pressure measurement system(0 - 3.5 MPa

pressure uncertainty less than ±1.6 kPa)

a water thermostat bath(293.15 - 363.15 K)

an alcohol thermostat bath(253.15 - 293.15 K)

a vacuum system

and a mixture make-up system. In order to check the reliability and accuracy of the system

several test measurements were conducted on the vapor pressure of R134a and p-T diagram for the binary mixture of R22+DMF. The test results are in good agreement with the reference data.

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Keywords

references

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Albright L F, Doody T C, Buclez P C, et al. Solubility of refrigerants 11,21, and 22 in organic solvent containing an oxygen atom [J]. ASHRAE Transactions, 1960, 66: 423-433.

Agarwal R S, Bapat S L. Solubility characteristics of R22-DMF refrigerant-absorption combination [J]. Int J Refrig, 1985, 8(2): 70-74.

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Tilner-Roth R, Baehr H D. Thermodynamic properties of refrigerant and blended hydrofluorocarbon(HFC)refrigeratnats [M]. Tokyo: Japan Society of Refrigerating and Air Conditioning Engineers,1998.

邱祖民.汽液相平衡测定的研究进展 [J]. 江西科学,1996, 14(4): 254-258.

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崔晓龙. 新型吸收制冷工质对相平衡理论与实验研究[D].杭州:浙江大学机械与能源工程学院,2006.

McLinden M, Klein S, Lemmon E, et al. NIST thermodynamic and transport properties of refrigerants and refrigerant mixtures database(REFPROP)ver 6.01[M].Gaithersburg, USA: NIST 1998.

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