S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...
S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...
S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...
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The curves<br />
m PS /m S/C<br />
1,0<br />
0,8<br />
0,6<br />
0,4<br />
0,2<br />
0,0<br />
- 4 -<br />
∆v-Performance Range of Built <strong>Spacecraft</strong> <strong>Propulsion</strong> System Concepts<br />
(Examples)<br />
I =193 Ns/kg<br />
ssp<br />
(Nitrogen)<br />
Cold Gas<br />
I ssp =654 Ns/kg<br />
(Ammonia)<br />
I ssp =1440 Ns/kg<br />
Hydrazine<br />
Bipropellant<br />
SPT Electric<br />
<strong>Propulsion</strong> <strong>Systems</strong><br />
500 1000 1500 2000 2500 3000<br />
I ssp =1862 Ns/kg<br />
I ssp =2354 Ns/kg<br />
I ssp =2746 Ns/kg<br />
I ssp =6375 Ns/kg<br />
I ssp =10 801 Ns/kg<br />
delta-v (m/s)
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