?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F348%2F&rft.title=Iron+Furnace+Problem+-+What+is+the+porosity+distribution+in+the+iron+ore+hopper%3F&rft.creator=Ketcheson%2C+D.&rft.subject=Energy+and+utilities&rft.subject=Materials&rft.description=In+the+processing+of+iron+ore%2C+pellets+are+funneled+into+a+furnace+and+reduced+by+contact+with+a+gas.+We+consider+the+problem+of+determining+whether+significant+spatial+segregation+occurs+within+the+furnace+based+on+pellet+size.+Experiments+and+computation+are+used+to+test+whether+such+segregation+may+happen+at+the+inlet+or+near+the+sides.+Experimental+results+indicate+that+segregation+at+the+inlet+may+occur%2C+while+segregation+due+to+friction+at+the+sides+probably+does+not.+The+computational+results+provided+are+too+crude+to+base+conclusions+on%2C+but+indicate+what+could+be+done+with+further+resources.&rft.date=2011&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F348%2F1%2FSABIC-furnace.pdf&rft.identifier=++Ketcheson%2C+D.++(2011)+Iron+Furnace+Problem+-+What+is+the+porosity+distribution+in+the+iron+ore+hopper%3F++%5BStudy+Group+Report%5D+++++