Space Propulsion - IAP/TU Wien
Space Propulsion - IAP/TU Wien
Space Propulsion - IAP/TU Wien
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<strong>Space</strong> <strong>Propulsion</strong><br />
The staging principle<br />
R = /<br />
j<br />
( mi<br />
m<br />
f<br />
) j<br />
initial / final mass ratio<br />
of j th stage<br />
ΔV<br />
ΔV<br />
....<br />
1<br />
ΔV<br />
2<br />
n<br />
=<br />
=<br />
=<br />
I<br />
I<br />
I<br />
ΔV = I<br />
sp<br />
sp<br />
sp<br />
sp<br />
ln R<br />
1<br />
ln R<br />
ln R<br />
2<br />
n<br />
ln( R . R2...<br />
R<br />
velocity gains of<br />
individual stages<br />
1 n<br />
)<br />
total velocity gain<br />
(of final stage)