Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83038
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dc.contributor.authorMagro, Fabio Dalen
dc.contributor.authorSavino, Stefanoen
dc.contributor.authorMeneghetti, Antonellaen
dc.contributor.authorNardin, Gioacchinoen
dc.date.accessioned2017-05-12T08:25:01Zen
dc.date.accessioned2019-12-06T15:10:40Z-
dc.date.available2017-05-12T08:25:01Zen
dc.date.available2019-12-06T15:10:40Z-
dc.date.copyright2017en
dc.date.issued2017en
dc.identifier.citationMagro, F. D., Savino, S., Meneghetti, A., & Nardin, G. (2017). Coupling waste heat extraction by phase change materials with superheated steam generation in the steel industry. Energy, in press.en
dc.identifier.issn0360-5442en
dc.identifier.urihttps://hdl.handle.net/10356/83038-
dc.description.abstractTo allow a better exergy exploitation than the current state-of-the-art waste heat to power solutions in the steel industry, a new type of energy recovery system based on Phase Change Materials is proposed. In particular, the use of high temperature PCMs evolves from simply smoothing off gas temperature, as in the most recent studies for energy recovery from electric arc furnaces, to generating constant superheated steam able to feed the downstream turbine nearly at nominal load. This result is achieved by introducing an auxiliary section between the PCM Section and the steam generation one, which provides the auxiliary heat needed to level the thermal content of off gas. The auxiliary heat is extracted from the PCM units by a heat transfer fluid flowing across the inner tube of each PCM container. Different models to properly size and simulate the operations of the proposed energy recovery system have been developed and integrated. Results show how the size of the steam generator and the turbine can be reduced of about 41% with respect to traditional solutions, while increasing electric power production by 22% thanks to the reduced fluctuation in steam parameters at the turbine inlet, which leads to a greater overall efficiency.en
dc.format.extent12 p.en
dc.language.isoenen
dc.relation.ispartofseriesEnergyen
dc.rights© 2017 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Energy, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.energy.2017.04.051].en
dc.subjectEnergy recoveryen
dc.subjectPhase change materialen
dc.titleCoupling waste heat extraction by phase change materials with superheated steam generation in the steel industryen
dc.typeJournal Articleen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en
dc.identifier.doi10.1016/j.energy.2017.04.051en
dc.description.versionAccepted versionen
dc.identifier.rims199893en
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