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Multi-Jet Impingement Cooling of a Hot Flat Steel Plate
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0002-9490-9703
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi.ORCID-id: 0000-0001-8849-7661
ABB, Sweden.
2014 (Engelska)Ingår i: Energy Procedia, ISSN 1876-6102, E-ISSN 1876-6102, Vol. 61, s. 1835-1839Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

One of the most important steps to control the quality in steel hot rolling is the Runout Table (ROT) Cooling. In this investigation, the heat transfer of water jets impinging on a hot flat steel plate was studied under temperatures below the boiling point to understand the convection heat transfer phenomena which is a major step preceding the boiling. Single axisymmetric jet and a pair of interacting jets are simulated using Computational Fluid Dynamics (CFD). The RANS model under steady and transient conditions as well as the k-Ɛ turbulence model are used for both 2D axisymmetric and 3D simulations. The water flow rate influence on the jets cooling characteristics is investigated.Two sets of boundary conditions, constant temperature and constant heat flux were applied at the surface of the steel plate and evaluated. The single jet numerical results are successfully compared to published data based on measurements and analytical models. The two jets thermal performance was found to be unaffected because the jets are too far from each other to generate any additional thermal interaction.

Ort, förlag, år, upplaga, sidor
2014. Vol. 61, s. 1835-1839
Nyckelord [en]
Liquid Jets, Impingement, CFD, Heat Transfer, Flat surface, Interaction
Nationell ämneskategori
Teknisk mekanik Strömningsmekanik och akustik
Identifikatorer
URN: urn:nbn:se:mdh:diva-26831DOI: 10.1016/j.egypro.2014.12.224ISI: 000375936100408Scopus ID: 2-s2.0-84922377034OAI: oai:DiVA.org:mdh-26831DiVA, id: diva2:769030
Konferens
The 6th International Conference on Applied Energy – ICAE2014, Taipei 30 May – 2 June 2014
Tillgänglig från: 2014-12-05 Skapad: 2014-12-05 Senast uppdaterad: 2017-12-05Bibliografiskt granskad

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Hosain, Md LokmanBel Fdhila, Rebei

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