Introduction of an "energy goodness" number for supermarket

Bjarne D. Rasmussen, Preben Munter, Henning V. Holm, Per O. Danig, Morten Skovrup

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

    Abstract

    A test method for determining the efficiency of supermarket refrigeration systems has been developed. The test method is based on a combination of measurements of air temperatures and energy consumption on an actual system and calculations of the energy consumption for a reference refrigeration system. The reference system is identical to the actual system regarding type, number and size of components but the component efficiencies and cooling demands are assumed to be equal to market average values.The energy efficiency of the system is expressed by a “Goodness Number” defined as the ratio between the calculated energy consumption of the reference system and the measured energy consumption for the actual system. Four different Danish supermarkets have been tested using this method. The results show that supermarkets in Denmark can be expected to have “Goodness numbers” ranging from 0.42 to 0.75 depending on the type and age of the refrigeration system.
    Original languageEnglish
    Title of host publicationIntroduction of an "energy goodness" number for supermarket
    Publication date1999
    Publication statusPublished - 1999
    Event20th International Congress of Refrigeration - Sydney, Australia
    Duration: 19 Sep 199924 Sep 1999

    Conference

    Conference20th International Congress of Refrigeration
    CountryAustralia
    CitySydney
    Period19/09/199924/09/1999

    Cite this

    Rasmussen, B. D., Munter, P., Holm, H. V., Danig, P. O., & Skovrup, M. (1999). Introduction of an "energy goodness" number for supermarket. In Introduction of an "energy goodness" number for supermarket
    Rasmussen, Bjarne D. ; Munter, Preben ; Holm, Henning V. ; Danig, Per O. ; Skovrup, Morten. / Introduction of an "energy goodness" number for supermarket. Introduction of an "energy goodness" number for supermarket. 1999.
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    abstract = "A test method for determining the efficiency of supermarket refrigeration systems has been developed. The test method is based on a combination of measurements of air temperatures and energy consumption on an actual system and calculations of the energy consumption for a reference refrigeration system. The reference system is identical to the actual system regarding type, number and size of components but the component efficiencies and cooling demands are assumed to be equal to market average values.The energy efficiency of the system is expressed by a “Goodness Number” defined as the ratio between the calculated energy consumption of the reference system and the measured energy consumption for the actual system. Four different Danish supermarkets have been tested using this method. The results show that supermarkets in Denmark can be expected to have “Goodness numbers” ranging from 0.42 to 0.75 depending on the type and age of the refrigeration system.",
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    Rasmussen, BD, Munter, P, Holm, HV, Danig, PO & Skovrup, M 1999, Introduction of an "energy goodness" number for supermarket. in Introduction of an "energy goodness" number for supermarket. 20th International Congress of Refrigeration, Sydney, Australia, 19/09/1999.

    Introduction of an "energy goodness" number for supermarket. / Rasmussen, Bjarne D.; Munter, Preben; Holm, Henning V.; Danig, Per O.; Skovrup, Morten.

    Introduction of an "energy goodness" number for supermarket. 1999.

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

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    AU - Skovrup, Morten

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    Rasmussen BD, Munter P, Holm HV, Danig PO, Skovrup M. Introduction of an "energy goodness" number for supermarket. In Introduction of an "energy goodness" number for supermarket. 1999