Tc-Te 1.6 1.4 0.8 0.6 0.5 15 2.5 Constricted Arc, with Kout/kc=1/2(=1/4) 2 16.522, Space Propulsion Lecture 11-12 Prof. Manuel Martinez-Sanchez Page 6 of 18Figure 2 16.522, Space Propulsion Lecture 11-12 Prof. Manuel Martinez-Sanchez Page 6 of 18