?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%2F666%2F&rft.title=Gas+flow+rates+through+inert+and+chemically+active+porous+beds&rft.creator=Hicks%2C+P+D&rft.creator=Ceseri%2C+M&rft.subject=Fluids&rft.description=The+Atomic+Weapons+Establishment+is+interested+in+the+behaviour+of+highly+reactive+chemical+beds%2C+in+order+to+produce+more+reliable+explosives.+To+improve+understanding+of+the+reaction+evolution+and+bed+mechanics+the+study+group+investigated+the+experiments+of+Goveas+(1997)%2C+which+involved+the+reaction+of+small+beds+of+potassium+picrate+particles.+The+study+group+developed+a+mechanistic+model+and+used+simplied+analyses+to+investigate+the+reaction+behaviour.+The+mechanistic+model+that+was+developed+is+able+to+explain+the+periodic+chung+observed+in+experiments%2C+but+does+not+rely+on+particle+compaction.+Two+simplied+analyses+are+undertaken%2C+which+support+this+mechanistic+interpretation+of+the+experiments.+These+simplied+analyses+calculate+the+reaction+front+speed+based+on+a+thermal+analysis+and+the+evolution+of+the+gas+bubble+rising+through+the+porous+bed.+The+study+group+also+suggest+additional+work+that+will+further+understanding+of+this+phenomenon.&rft.date=2014&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%2F666%2F1%2FAWE_v1_1.pdf&rft.identifier=++Hicks%2C+P+D+and+Ceseri%2C+M++(2014)+Gas+flow+rates+through+inert+and+chemically+active+porous+beds.++%5BStudy+Group+Report%5D+++++