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dc.contributor.authorBascompta Massanes, Marc
dc.contributor.authorSanmiquel Pera, Lluís
dc.contributor.authorAnticoi Sudzuki, Hernán Francisco
dc.contributor.authorOliva Moncunill, Josep
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Minera, Industrial i TIC
dc.contributor.otherUniversitat Politècnica de Catalunya. Doctorat en Recursos Naturals i Medi Ambient
dc.identifier.citationBascompta, M. [et al.]. Ventilation friction factor determination and comparison: two case studies of potash mining. "Journal of the Southern African Institute of Mining and Metallurgy", Octubre 2019, vol. 119, núm. 10, p. 865-870.
dc.description.abstractFriction factor is a crucial parameter in assessing and modelling ventilation systems in underground mining. However, the development of a mine along its life-cycle can complicate the airflow supply required at the working faces, creating setbacks in terms of productivity and production. Hence, it is very important to determine all the ventilation parameters, including roughness and the friction factor. In this paper we examine the data from several surveys that were carried out in two potash mines (both using the room-and-pillar method) with the aim of determining the friction factors through the Von Kármán equation, which connects the Atkinson friction factor with airway roughness. Comparison of the two mines provided consistent results, despite some differences in the mining methods, and we were able to establish standard values for this type of mining. Furthermore, a roughness variation over a year in this type of evaporitic mining has been determined, indicating that the specific climate characteristics of the zone affect the walls and roofs of the tunnels and therefore their roughness. Friction factor values have also been validated by means of several ventilation simulations and contrasted with values in the literature.
dc.format.extent6 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Enginyeria de mines
dc.subject.lcshMine ventilation
dc.subject.lcshPotash mines and mining
dc.subject.otherMine ventilation
dc.subject.otherFriction factor
dc.subject.otherPotash mining
dc.titleVentilation friction factor determination and comparison: two case studies of potash mining
dc.subject.lemacMines -- Ventilació
dc.subject.lemacMines de potassa
dc.contributor.groupUniversitat Politècnica de Catalunya. GREMS - Grup de Recerca en Mineria Sostenible
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (published version)
local.citation.authorBascompta, M.; Sanmiquel, L.; Anticoi, H.; Oliva, J.
local.citation.publicationNameJournal of the Southern African Institute of Mining and Metallurgy

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