Space Propulsion - IAP/TU Wien
Space Propulsion - IAP/TU Wien
Space Propulsion - IAP/TU Wien
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>Space</strong> <strong>Propulsion</strong><br />
these purely mechanical relationships are valid independent of<br />
the methods used to accelerate exhaust particles<br />
I<br />
•<br />
T = m.<br />
I sp<br />
I<br />
sp<br />
=<br />
τ<br />
= ∫Tdt<br />
= I<br />
0<br />
dp<br />
dm<br />
= V<br />
e<br />
sp<br />
dE<br />
j<br />
TI<br />
P<br />
j<br />
= =<br />
dt 2<br />
Pj<br />
P<br />
sp<br />
= =<br />
T<br />
m<br />
i<br />
/ m<br />
f<br />
sp<br />
I<br />
sp<br />
2<br />
= e<br />
=<br />
m<br />
sp<br />
Isp<br />
T<br />
ΔV<br />
p<br />
•<br />
m<br />
≡ Tτ<br />
( m m )<br />
ΔV<br />
= I ln /<br />
i<br />
f<br />
[N]<br />
[N.s]<br />
[W]<br />
[m/s]<br />
[W/N], [m/s]<br />
[1]<br />
thrust<br />
total impulse<br />
jet power<br />
specific impulse<br />
specific power<br />
Tsiolkovsky equ.<br />
(rocket equ.)