?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%2F656%2F&rft.title=Annular+Breakthrough&rft.creator=King%2C+J.R.&rft.creator=Lacey%2C+A.A.&rft.creator=D.%2C+J.N.&rft.creator=S.%2C+D.A.&rft.creator=W.%2C+P.&rft.subject=Machines+%2F+Production&rft.subject=Fluids&rft.description=This+report+investigates+mechanisms+for+annular+breakthrough+in+a+single-bearing+system.++The+model+treats+the+bearing+as+a+%22canal+lock%22+mechanism+and+it+assumes+the+competing+effects+of+large+pressure+gradients+across+the+washer+and+friction+are+of+the+same+order.+The+pressure+gradient+is+assumed+to+vary+sinusoidally+in+time.+The+bearing+rapidly+settles+into+periodic+motion+and+no+breakthrough+instability+is+observed.&rft.date=1990&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%2F656%2F1%2Fp7.pdf&rft.identifier=++King%2C+J.R.+and+Lacey%2C+A.A.+and+D.%2C+J.N.+and+S.%2C+D.A.+and+W.%2C+P.++(1990)+Annular+Breakthrough.++%5BStudy+Group+Report%5D+++++