U. +s+Uw. -exc nm Up (D-5m)-a ne up o. o) 0.15epB4n1 r Ny miB C ) 1-exp[-C i(I-n +VD 16.522, Space Propulsion Lecture 16 Prof. Manuel Martinez-Sanchez Page 8 of 8U+ + ε m + Uexc σ exc np ce σ = nm p υ + VD (V − ε m)σ ( ) Uexc D σ + ↓ ne υ p σ (VD ) + ε T = VD ⎜ ⎜ ⎛σ T ⎞ ⎟ ⎟ * nm ce σ + ⎝ σ + ⎠VD 1 + np υ p σ + (VD ) nm ce σ + ↓ Y = ( ) n n VVV f J n n cAe m p DTp D B B m e n i gB p ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ 15.0 1 + 2* συ ε φφυ ; η u = 1 + Y 1 → m  = u Bi J e m η C o = ( ) φ σ n g i DT cA m 4 AeV → p ε [ ( )] o u p mC η ε −−− = 1exp1 *  ↓ Bε = B p f ε + B c f f V D 16.522, Space Propulsion Lecture 16 Prof. Manuel Martinez-Sanchez Page 8 of 8