Preventing spontaneous combustion in gob areas of retreating longwall panels by ventilating without bleeders

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dc.contributor.authorBanik, Janajibanen
dc.contributor.committeechairMcPherson, Malcolm J.en
dc.contributor.committeecochairTopuz, Ertugrulen
dc.contributor.committeememberKarmis, Michael E.en
dc.contributor.committeememberRoby, Richard J.en
dc.contributor.committeememberKarfakis, Mario G.en
dc.contributor.committeememberStevenson, Jack W.en
dc.contributor.departmentMining and Minerals Engineeringen
dc.date.accessioned2014-03-14T21:23:04Zen
dc.date.adate2005-11-10en
dc.date.available2014-03-14T21:23:04Zen
dc.date.issued1994-12-09en
dc.date.rdate2005-11-10en
dc.date.sdate2005-11-10en
dc.description.abstractSpontaneous combustion occurring in inaccessible areas of underground coal mines is often intractable. Even though routine inspection and/or continuous monitoring help detect the incubation of spontaneous heatings, they may not be able to identify the locations with accuracy. Moreover, implementation of remedial measures is difficult. A new approach to ventilation system design to overcome the problem is investigated in this dissertation. Ventilation layouts are analyzed to identify potential problem areas and nullify the probability of fire occurrence. The focus is directed to longwall gobs. The changing gob characteristics, especially the varying degree of consolidation at different parts of a gob as the face moves, is considered. Analytical studies and computer modeling show that bleederless ventilation in retreating panels is promising. The W -system of ventilation is most suitable. However, there may be difficulties in maintaining the middle entry in a Wsystemen
dc.description.degreePh. D.en
dc.format.extentxiv, 148 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-11102005-141113en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-11102005-141113/en
dc.identifier.urihttp://hdl.handle.net/10919/40307en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1994.B365.pdfen
dc.relation.isformatofOCLC# 32749813en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1994.B365en
dc.subject.lcshCombustion, Spontaneousen
dc.subject.lcshLongwall miningen
dc.subject.lcshMine ventilationen
dc.titlePreventing spontaneous combustion in gob areas of retreating longwall panels by ventilating without bleedersen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineMining and Minerals Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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