?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%2F651%2F&rft.title=Electric+arc+problem&rft.creator=Breward%2C+C.J.W.&rft.creator=Chapman%2C+S.J.&rft.creator=Lacey%2C+A.A.&rft.creator=Ockendon%2C+J.R.&rft.subject=Machines+%2F+Production&rft.subject=None%2FOther&rft.subject=Technology%2FDevices&rft.description=This+problem+was+concerned+with+the+behaviour+of+an+electric+arc+as+the+current+supplied+to+the+arc+passed+through+zero.++We+sought+to+establish+a+model+that+predicts+the+conditions+under+which+the+arc+was+extinguished.++During+the+study+group+we+attempted+to+show+how+an+equation+of+state+could+be+derived+by+proposing+that+the+arc+should+be+in+thermal+equilibrium+with+the+surrounding+gas.+The+behaviour+of+the+system+as+the+current+goes+to+zero+was+examined+but+no+firm+conclusions+could+be+draw.&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%2F651%2F1%2Fp2.pdf&rft.identifier=++Breward%2C+C.J.W.+and+Chapman%2C+S.J.+and+Lacey%2C+A.A.+and+Ockendon%2C+J.R.++(1990)+Electric+arc+problem.++%5BStudy+Group+Report%5D+++++