Low temperature environmentally friendly refrigerants
- Authors: Barannik V.P.1, Marinyuk B.T.2
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Affiliations:
- Moscow State Regional University
- Moscow State University of Environmental Engineering
- Issue: Vol 92, No 6 (2003)
- Pages: 14-15
- Section: Articles
- URL: https://journal-vniispk.ru/0023-124X/article/view/106674
- DOI: https://doi.org/10.17816/RF106674
- ID: 106674
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Abstract
Ecologically pure low-temperature coolants have been considered: calcium chloride and ethyl alcohol solutions. Their comparative characteristics are presented: dependence of freezing temperature of the solution from concentration and viscosity from temperature. Aqueous-alcohol coolants of the mark «Ecofrost» are described in more detail.
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##article.viewOnOriginalSite##About the authors
V. P. Barannik
Moscow State Regional University
Author for correspondence.
Email: info@eco-vector.com
D. in Chemistry
Russian Federation, MoscowB. T. Marinyuk
Moscow State University of Environmental Engineering
Email: info@eco-vector.com
D. in Engineering
Russian Federation, MoscowReferences
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Fig. 1. Dependence of freezing temperature of solutions t3 on their concentration (by mass) ξ: 1 - calcium chloride; 2 - potash; 3 - ethanol
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Fig. 2. Dependence of viscosity p of low-temperature coolants on temperature t: 1 - "Ecofrost 60"; 2 - "Ecofrost 40"; 3 - aqueous calcium chloride solution ξ = 29,9 %, t3 = -55 °C; 4 - Frisium ξ = 47 %, t3 = -50 °C
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