Rocket Propulsion Contents: Review Types of Rockets Examples

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Presentation transcript:

Rocket Propulsion Contents: Review Types of Rockets Examples Whiteboards © Microsoft Encarta

Rocket Propulsion So far we have: Impulse = Ft = mv F = Force (N) t = Elapsed time (s) m = Mass (kg) v = Change in velocity (m/s)

v = exhaust gas velocity Ft Rocket Propulsion So: F = engine thrust  t = time to burn fuel m = mass of fuel burned v = exhaust gas velocity Ft = mv

Which Rocket Accelerates faster? B Demo – F14

Rocket Propulsion Solid Fuel Engine: © Microsoft Encarta

Rocket Propulsion Thrust of the Engine: F = mv t Big v means big F Solid Fuel Engine: Big v means big F Big v also means lots of pressure Danger Will Robinson! © Microsoft Encarta

Rocket Propulsion Liquid Fuel Engine: How do you keep it from tipping? Why the “steam” coming off? © Microsoft Encarta

Saturn V Rocket - Apollo missions Escape Tower Command Module L.E.M Third stage Second stage First stage Saturn V Animation (Flash in IE)