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Applicability of global temperature change potential (GTP) metric to replace GWP in TEWI environmental analysis of heat pump systems
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.
2015 (English)In: Refrigeration Science and Technology, International Institute of Refrigeration, 2015, 324-329 p.Conference paper, Published paper (Refereed)
Abstract [en]

Recent legislative measures promote use of environmentally friendly refrigerants to mitigate global warming. Different environmental metrics are used to facilitate decision-making process of selection of refrigerant with low environmental impact. Total equivalent warming impact (TEWI) methodology is able to reflect the effect of heat pump or refrigeration system to global warming by accounting for both direct and indirect emissions associated with the refrigeration system. This paper extends TEWI methodology by using Global Temperature change Potential (GTP) metric instead of Global Warming Potential (GWP) one, which conventionally used to put different emissions on single CO2 scale. The analysis is done for the simple vapour compression heat pump system, where a number of refrigerants are compared. The study concludes with the analysis of applicability of modified TEWI analysis for further refrigerating system environmental assessment studies.

Place, publisher, year, edition, pages
International Institute of Refrigeration, 2015. 324-329 p.
Keyword [en]
Atmospheric temperature, Decision making, Environmental impact assessments, Global warming, Heat pump systems, IIR filters, Pumps, Refrigerants, Refrigeration, Decision making process, Environmental analysis, Environmental assessment, Environmentally-friendly refrigerants, Global temperature change, Global warming potential, Refrigerating systems, Total equivalent warming impacts, Environmental impact
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-207213DOI: 10.18462/iir.icr.2015.0097Scopus ID: 2-s2.0-85016719973ISBN: 9782362150128 (print)OAI: oai:DiVA.org:kth-207213DiVA: diva2:1117865
Conference
24th IIR International Congress of Refrigeration, ICR 2015, 16 August 2015 through 22 August 2015
Note

QC 20170629

Available from: 2017-06-29 Created: 2017-06-29 Last updated: 2017-06-29Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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