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Simultaneous measurement of solubility, density, and viscosity of lubricants with CO2 (R744) at high temperature and pressures for refrigerating system.
Author(s) : TSUJI T., NAMIKAWA D., HIAKI T., et al.
Summary
In this study, the recirculating type apparatus was improved to measure not only solubility of R744, and liquid density but dynamic viscosity for R744 + PAG (polyalkylene glycol), and R744 + polyester type lubricant at a temperature of 377.6 K and pressures up to 20.11 MPa. C10H22 and tetraethylene glycol were also employed as model substances to compare with the two synthetic types of lubricants.
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Pages: 2005-3
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Details
- Original title: Simultaneous measurement of solubility, density, and viscosity of lubricants with CO2 (R744) at high temperature and pressures for refrigerating system.
- Record ID : 2006-0589
- Languages: English
- Source: Commercial Refrigeration. Thermophysical Properties and Transfer Processes of Refrigerants. Proceedings of the IIR International Conferences.
- Publication date: 2005/08/02
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Indexing
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Themes:
Compressors;
CO2;
Lubricants - Keywords: Viscosity; Solubility; Measurement; Lubricant; Density; Mixture; Transcritical cycle; Refrigerant; CO2
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