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a - Masuyama & Barrett (2013)
p
Homogeneous
25 20-A-
S
15
.
.
.
30 0-
-V-
- Case 1
Case 2
Case 3
-T=Idlp
S10-
-5
.
.
H5
10
8
6
4
2
0
14
12
Applied Voltage in kV
(a) Thrust-voltage characteristic.
0.6
0.5
0.4
0.3
U
0.2
-
0.1
.....
.
013i- --D--0.1 1
0
4
2
8
6
10
12
14
Applied Voltage in kV
(b) Current-voltage characteristic.
,
Figure 4-19: Thrust and current characteristics compared to experimental data and
ID theory. Experimental currents are applied to the emitter for the homogeneous
case. Charge injection boundary condition cases: 1) pref = 10-4 Cm- 3 , Eref =
100 kV/cm, 2) pref = 1-5 Cm- 3 , Eref
1 kV/cm on coarse mesh, 3) pref
10-5 Cm 3
Eref =1 kV /cm on fine mesh.
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