lecture1a

lecture1a - 16.522, Space Propulsion Prof. Manuel...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
16.522, Space Propulsion Lecture 1a Prof. Manuel Martinez-Sanchez Page 1 of 3 16.522, Space Propulsion Prof. Manuel Martinez-Sanchez Lecture 1a: Mission Requirements for Space Propulsion Missions Requiring High Thrust (chemical thrusters) Planetary takeoff (launch rockets) Planetary landing (Viking, Lunar Lander…) Apogee kick (GTO-GEO transfer motors) Perigee kick (GTO to escape) Rapid maneuvering (proximity ops., spacecraft attitude control) Fast plane change Missions Requiring High Isp (EP) Deep space missions ( 2-3 / Vk m s ∆≥ typically) Long-term drag cancellation Long-term formation flight Planetary non-Keplerian orbits (e.g., parallel to Saturn’s rings) Missions where High Isp (EP) is Beneficial (but could be done otherwise too) Propulsion for high-power satellites (Comsats, radar sats…): ± Orbit raising (LEO-high LEO, LEO-GEO…) ± End-of-Life deorbiting ± Orbit re-positioning ± Plane change (slow) ± Orbit corrections (NSSK, …) Existing Space Thrusters Two broad categories:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

lecture1a - 16.522, Space Propulsion Prof. Manuel...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online