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• Method of linear approximation of COP for heat pumps and chillers based on thermodynamic modelling and off-design operationPieper, Henrik; Krupenski, Igor; Markussen, Wiebke Brix; Ommen, Torben; Siirde, Andres; Volkova, AnnaEnergy2021 / art. 120743 : ill https://doi.org/10.1016/j.energy.2021.120743 https://www.scopus.com/sourceid/29348 https://www.scopus.com/record/display.uri?eid=2-s2.0-85107644419&origin=inward&txGid=0d829234dc6ef106832150c86771d264 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENERGY&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000662703200011
• Modelling framework for integration of large-scale heat pumps in district heating using low-temperature heat sources : A case study of Tallinn, EstoniaPieper, Henrik; Mašatin, Vladislav; Volkova, Anna; Ommen, Torben; Elmegaard, Brian; Markussen, Wiebke BrixInternational journal of sustainable energy planning and management2019 / p. 67–86 : ill https://doi.org/10.5278/ijsepm.2019.20.6 https://www.scopus.com/sourceid/21100784443 https://www.scopus.com/record/display.uri?eid=2-s2.0-85069214031&origin=inward&txGid=83136a77606b033553f3d98e609aa0fc
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