dc.contributor.author | Schlemminger, Christian | |
dc.contributor.author | Svendsen, Eirik Starheim | |
dc.contributor.author | Foslie, Sverre Stefanussen | |
dc.contributor.author | Bantle, Michael | |
dc.contributor.author | Bamigbetan, Opeyemi Olayinka | |
dc.contributor.author | Nekså, Petter | |
dc.date.accessioned | 2020-02-03T13:36:31Z | |
dc.date.available | 2020-02-03T13:36:31Z | |
dc.date.created | 2019-09-17T13:59:41Z | |
dc.date.issued | 2019 | |
dc.identifier.isbn | 978-2-36215-035-7 | |
dc.identifier.uri | http://hdl.handle.net/11250/2639336 | |
dc.description.abstract | Industrial processes like milk production often require simultaneous cooling and heating at temperature of 1 °C to 10 °C and 90 °C to 120 °C, respectively. High temperature heat pumps (HTHP) with natural working fluids are a cost-, energy efficient and sustainable solution. In this work a 20 kWth lab scale cascade heat pump is analysed to predict the performance of a 300 kWth pilot plant. The test campaign covers an evaporation temperature range of -1 °C to +1 °C and a condenser temperature range of 113 °C to 118 °C enabling ice-water chilling from 10 °C to 4 °C and a hot-water heating from 85 °C to 116 °C A Combined heating and cooling COPcombined of 2.6 to 2.8 was achieved for a temperature lift of 110 K to 80 K, respectively. This performance gives a primary energy saving potential of 57% and a potential CO2-emission reduction of 94%. It can be concluded that HTHP can produce simultaneously chilled/ice-water and hot-process water efficiently for processes like drying, sterilization, pasteurization. | nb_NO |
dc.language.iso | eng | nb_NO |
dc.publisher | International Institute of Refrigeration | nb_NO |
dc.relation.ispartof | Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019 | |
dc.title | Performance of high temperature heat pump for simultaneous and efficient production of ice water and process heat | nb_NO |
dc.type | Chapter | nb_NO |
dc.description.version | acceptedVersion | nb_NO |
dc.source.pagenumber | 4632-4639 | nb_NO |
dc.identifier.cristin | 1725703 | |
dc.relation.project | Norges forskningsråd: 257632 | nb_NO |
dc.relation.project | Norges forskningsråd: 243679 | nb_NO |
dc.description.localcode | This chapter will not be available due to copyright restrictions (c) 2019 by International Institute of Refrigeration | nb_NO |
cristin.unitcode | 194,64,25,0 | |
cristin.unitname | Institutt for energi- og prosessteknikk | |
cristin.ispublished | true | |
cristin.fulltext | postprint | |
cristin.qualitycode | 1 | |