英语翻译
Figures7showthesametwo-dimensionalplotsforthedeflectedarcasthosefortheaxisymmetricarc.Theplasmaarcdeflectsfromtheaxistothepositivexdirectionandthearclengthisthereforeelongated.Thisiscausedbythedeflectionofplasmaflow,whichisinturndrivenbytheelectromagneticforcefromboththeself-inducedandtheexternallyappliedmagneticfield.Themaximumflowvelocitydecreasesto203m/sincomparisonwith264m/sfortheaxisymmetriccase,andthemaximumarctemperaturedropsto18840from21550K.Thehighpressureregionontheworkpiecedriftswiththedeflectedarcandthemaximumpressureis132Pa,ascomparedto604Pafortheaxisymmetricarc.Theelectricpotential1voltage2increasesto12.7V,a0.3Vaugmentfromtheaxisymmetriccase.Allthesedifferencesaretheeffectsoftheelongatedplasmaarc.Theelectriccurrentdensityalsodriftswiththedeflectedarcandtheelectromagneticforceattheelectrodetipisnolongeraxisymmetric.IntheGMAWprocess,theunbalancedelectromagneticforcemaytaperdropletstoadeflectedglobularshape,40whichmaybecausedbyexternalmagneticperturbations.