R 134a/ポリアルキレングリコール油系の粘性率

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タイトル別名
  • Measurements of the Viscosity for Mixtures of R 134a and Polyalkyleneglycol Oil
  • 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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説明

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.

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