不凍液の粘性率に及ぼす濃度変化の影響

DOI Web Site Web Site

書誌事項

タイトル別名
  • Effect of Concentration Change on the Viscosity of Antifreeze Solutions.
  • フトウエキ ノ ネンセイリツ ニ オヨボス ノウド ヘンカ ノ エイキョウ

この論文をさがす

抄録

Working fluids and heat transfer fluids used in energy systems such as refrigerating plants and heat pumps cannot avoid concentration changes due to contamination with lubricating oils, water or other impurities. In the case of aqueous solutions of glycols, which are used as antifreeze heat-transfer media, the change in concentration means a large change in viscosity, since the viscosity of glycol is significantly higher than that of water. In the present study, the dependencies of viscosity on concentration and on temperature were experimentally investigated for aqueous solutions of ethylenglycol and of propyleneglycol. Ubbelohde viscometers were used in the range of concentration from 40 to 100 wt% and of temperature from 253 to 313 K.

収録刊行物

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ