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Evaluation of thermophysical properties of ethyl alcohol based secondary fluids
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0001-8516-0609
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0002-9902-2087
2014 (English)In: 11th IIR Gustav Lorentzen Conference on Natural Refrigerants: Natural Refrigerants and Environmental Protection, GL 2014, 2014, 100-107 p.Conference paper, Published paper (Refereed)
Abstract [en]

Ethyl alcohol (ethanol) based secondary fluids are commonly used in different types of indirect refrigeration systems in Scandinavia due to low toxicity, relatively good thermophysical properties and environmental regulations regarding leakage. Ethyl alcohol based commercial products available in Scandinavia contain different types of denaturing agents but no corrosion inhibitors. The most common denaturing agents are isopropyl alcohol (isopropanol), n-butyl alcohol (n-butanol), methyl ethyl ketone and methyl isobutyl ketone. Property measurements recently performed at KTH showed that presence of these additives in ethyl alcohol based secondary fluid improved thermophysical properties especially in terms of specific heat, thermal conductivity, and dynamic viscosity. Additionally, it was found that the specific heat capacity tendency is different than previously reported.

Place, publisher, year, edition, pages
2014. 100-107 p.
Keyword [en]
Ethyl alcohol, secondary fluid, refrigeration system, thermophysical properties, denaturing agents
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-171740ISI: 000352781600009Scopus ID: 2-s2.0-84932089451ISBN: 9782362150043 (print)OAI: oai:DiVA.org:kth-171740DiVA: diva2:844677
Conference
11th IIR Gustav Lorentzen Conference on Natural Refrigerants - Natural Refrigerants and Environmental Protection, AUG 31-SEP 02, 2014, Hangzhou, PEOPLES R CHINA
Note

QC 20150807

Available from: 2015-08-07 Created: 2015-08-05 Last updated: 2015-08-07Bibliographically approved

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Ignatowicz, MonikaPalm, Björn

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Citation style
  • apa
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More styles
Language
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  • Other locale
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Output format
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