Space Propulsion - IAP/TU Wien
Space Propulsion - IAP/TU Wien
Space Propulsion - IAP/TU Wien
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Space</strong> <strong>Propulsion</strong><br />
Single- and multi – stage<br />
rockets using the same<br />
amount of propellant to<br />
accelerate same payload<br />
ΔV<br />
= I<br />
= I<br />
sp<br />
sp<br />
⎡<br />
.ln⎢<br />
⎣<br />
( 1+<br />
φ)<br />
m<br />
L<br />
⎡ 1+<br />
φ<br />
.ln⎢<br />
⎣φ<br />
+<br />
S<br />
n<br />
+ m<br />
+ φS<br />
( 1+<br />
ψ )<br />
n<br />
−n<br />
L<br />
⎤<br />
⎥<br />
⎦<br />
⎤<br />
⎥<br />
⎦<br />
=<br />
Δ V<br />
=<br />
S n<br />
= m L<br />
n . I . ln sp<br />
( 1+<br />
ψ )<br />
n<br />
R<br />
−1<br />
1+<br />
φ