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The performance of a heat pump using nanofluid (R22+TiO2) as the working fluid - an experimental study
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-6279-4446
Tianjin Univ, Peoples R China.
Univ Stavanger, Stavanger, Norway.
Tianjin Univ, Peoples R China.
2015 (English)In: Energy Procedia, ISSN 1876-6102, E-ISSN 1876-6102, Vol. 75, 1838-1843 p.Article in journal (Refereed) Published
Abstract [en]

It has been well known that the nano-particles, including metals, oxides, carbides, or carbon nanotubes, can increase the conduction and convection coefficients and consequently, enhance the heat transfer. Using nanofluids as working fluids in the refrigeration, air-conditioning and heat pump systems has attracted much attention. This work set-up a test rig to experimentally study the system performance of a heat pump with nanofluid as refrigerant, which was prepared by mixing 5wt% TiO2 with R22. Results show that adding the nano particle TiO2 didn't changed the heat absorbed in the evaporator clearly but increase the heat released in the condenser. As a results, compared to using pure R22, when using R22 + TiO2, the COP of the cooling cycle was decreased slightly, however, the COP of the heating cycle was increased significantly increased power consumption of compression.

Place, publisher, year, edition, pages
2015. Vol. 75, 1838-1843 p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-29329DOI: 10.1016/j.egypro.2015.07.158ISI: 000361030003014Scopus ID: 2-s2.0-84947062152OAI: oai:DiVA.org:mdh-29329DiVA: diva2:861063
Conference
7th International Conference on Applied Energy (ICAE), MAR 28-31, 2015, Abu Dhabi, U ARAB EMIRATES
Available from: 2015-10-15 Created: 2015-10-15 Last updated: 2017-12-01Bibliographically approved

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Li, Hailong

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CiteExportLink to record
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  • apa
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  • modern-language-association-8th-edition
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • text
  • asciidoc
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