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doc#118 flux. An attempt to improve the life of the anodes or the efficiency of the plasma generators
doc#118 must, therefore, aim at a reduction of the anode loss. The following possibilities exist
doc#118 to reduce electron heat transfer to the anode for a given power output. 2. Continuous
doc#118 Continuous motion of the arc contact area at the anode by flow or magnetic forces. 3. Feed back
doc#118 Feed back of the energy transferred to the anode by applying gas transpiration through the
doc#118 by applying gas transpiration through the anode . The third method was, to our knowledge
doc#118 energy balance for a transpiration cooled anode as well as the effect of blowing on the
doc#118 voltage. Gas injection through a porous anode (transpiration cooling) not only feeds
doc#118 feeds back the energy transferred to the anode by the above mentioned processes, but also
doc#118 of dissociation or chemical reaction. The anode material was porous graphite. Sintered
doc#118 stand and of two different models of the anode holder. The cathode consisted of a <frac14>
doc#118 establish the required electrode spacing. The anode in figure 2 was mounted by means of the
doc#118 in figure 2 was mounted by means of the anode holder which was attached to a steel plug
doc#118 disk. The transpiring gas ejected from the anode formed a jet directed axially towards the
doc#118 against contamination of the arc by air. The anode consisted of a <frac12> inch diameter porous
doc#118 ensure uniformity of the flow leaving the anode . The anode plug (Figure 2) was inserted
doc#118 uniformity of the flow leaving the anode. The anode plug (Figure 2) was inserted into a carbon
doc#118 plug (Figure 2) was inserted into a carbon anode holder. A shielded thermocouple was used
doc#118 served for simultaneous measurement of the anode surface temperature and the temperature
doc#118 and the temperature distribution along the anode holder. Three thermocouples were placed