Measurements of the Viscosity for Mixtures of R 134a and Polyalkyleneglycol Oil
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- SATO Tomoaki
- Department of Mechanical Engineering, Faculty of Engineering, Kanagawa Institute of Technology
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- TAKAISHI Yoshinori
- Department of Mechanical Engineering, Faculty of Engineering, Kanagawa Institute of Technology
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- OGUCHI Kosei
- Department of Mechanical Engineering, Faculty of Engineering, Kanagawa Institute of Technology
Bibliographic Information
- Other Title
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- R 134a/ポリアルキレングリコール油系の粘性率
- R134a ポリアルキレングリコールユケイ ノ ネンセイリツ
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Abstract
This paper reports measurements of the viscosity for mixtures of R 134a and polyalkyleneglycol oil. The measurements were carried out with an oscillating-cup viscometer for low oil-concentrations up to 16 mass% and temperatures of 278 K, 283 K and 288 K. The extended relative uncertainty (k = 2) in viscosity was estimated to be less than 3.5%. The results show that the viscosity of the mixtures at an oil-concentration of 16 mass% is approximately four times larger than that of R 134a. A correlation equation was formulated to interpolate the experimental viscosity data for the mixtures concerned.
Journal
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- Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers
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Transactions of the Japan Society of Refrigerating and Air Conditioning Engineers 24 (4), 315-321, 2007
Japan Society of Refrigerating and Air Conditioning Engineers
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Details 詳細情報について
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- CRID
- 1390282679643740288
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- NII Article ID
- 130004566104
- 10020129285
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- NII Book ID
- AA11125910
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- ISSN
- 2185789X
- 13444905
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- NDL BIB ID
- 9347525
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed