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 />
Comparison of Hohmann and spiral transfer<br />
( 1+<br />
ρ)<br />
3<br />
3<br />
1 a r1<br />
τ H<br />
= P tr<br />
= π = π<br />
2 μ 8μ<br />
depending only on orbital radii<br />
3<br />
τ<br />
SP<br />
→ m<br />
f<br />
⎟ f = 1<br />
T T r 1<br />
⎜<br />
⎝ ρ ⎠<br />
= dr2<br />
T r1<br />
r<br />
.r2<br />
dτ = m<br />
f<br />
μ<br />
also depending on S/C mass, thrust<br />
(and specific impulse)<br />
V<br />
ΔV<br />
m<br />
μ ⎛<br />
⎜ −<br />
1<br />
⎞