Thermoeconomic comparison of industrial heat pumps

Torben Schmidt Ommen, Christen Malte Markussen, L. Reinholdt, Brian Elmegaard

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    Four natural working fluids in various heat pump cycles are expected to cover the heating range between 50oC and 150°C. The different thermodynamic cycles are the Condensing Vapour, Transcritical and Compression/Absorption. As the considered technologies have significant differences in application, limitations and design, a generic comparison is used. To establish the optimal individual temperature range of operation, a thermoeconomic evaluation is performed, with heat price as the decision parameter. Each individual heat pump is favourable in specific temperature intervals, which will vary according to the temperature lift between sink and source. At temperature lifts below 30°C the entire temperature range is covered. Exceeding this temperature lift, the range of sink temperatures is not completely covered above 125°C. Three of the heat pumps prove very cost competitive when compared to heating with natural gas in a large part of the temperature range.
    Original languageEnglish
    Title of host publicationICR 2011
    Publication date2011
    Publication statusPublished - 2011
    Event23rd IIR International Congress of Refrigeration - Prague, Czech Republic
    Duration: 21 Aug 201126 Aug 2011
    Conference number: 23
    http://www.icr2011.org/

    Conference

    Conference23rd IIR International Congress of Refrigeration
    Number23
    Country/TerritoryCzech Republic
    CityPrague
    Period21/08/201126/08/2011
    Internet address

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