%0 Journal Article %A Pauvit, Richard %A de Izarra, Charles %A Vallee, Olivier %D 1997 %I Begell House %N 2 %P 229-237 %R 10.1615/HighTempMatProc.v1.i2.70 %T Spectral and acoustic diagnostic of a plasma torch.II. Distribution of acoustic pressure %U https://www.dl.begellhouse.com/journals/57d172397126f956,0536e61b26885270,3daacd9a5940e98f.html %V 1 %X An experimental study of the acoustic emission from a DC arc plasma torch is performed in order to bring to the fore the existence of a silent cone downstream from the plasma flow. This silent zone could result from the sound rays refraction due to the strong temperature gradients at the exit of the nozzle. %8 1997-06-30