Build your own nuclear space tug
1: Build your own Nuclear Space Tug!
2: DIY Process
3: Safety First
4: Choose a reactor type...
5: Choose an Engine design -
6: SNRE - Enhanced details
7: 92 - U - Uranium - 238.029
8: Fuel Rod Geometry
9: Tie Tube Geometry
10: Core architecture
11: Engine Assembly
12: Fuel Rod creation
13: Engine details and construction
14: Expander Cycle Engine
15: Nuclear Thermal Engine
16: Shielding - NERVA
17: Spacecraft must be shielded
18: Testing (old days)
19: Testing
20: Actual Testing
21: Tug Design - Off the shelf shortcut
22: The Centaur-based vehicle
23: Centaur fuel capacity -
24: Rocket Equation
25: Centaur fuel capacity - dV = ISP * 9.8 * ln(MTOTAL / MEMPTY) -
26: Payload for - dv = 4000 m/s
27: Payload & total weight for - dv=4000 m/s
28: Payload & total weight for - dv=4000 m/s
29: Summary
30: Mars
31: Thank you
32: Human Exploration of Mars - Design Reference Architecture 5.0
33: NTR Cargo
34: Chemical Cargo
35: Common issues
36: Testing is difficult
37:
38: Topics
39: NERVA (1950s) -
40: Uranium Fuels
41: Design types
42: Thanks
43:
44: Solving for payload
45: dv = ISP * 9.8 * ln((ME + MPAY + MPROP) / (ME + MPAY)) - dv / (ISP * 9.8) = ln((ME + MPAY + MPROP) / (ME + MPAY)) - edv / (ISP * 9.8) = (ME + MPAY + MPROP) / (ME + MPAY)) - (ME + MPAY) * edv / (ISP * 9.8) = ME + MPAY + MPROP - ME * edv / (ISP * 9.8) + MPAY * edv / (ISP * 9.8) = ME + MPAY + MPROP - ME * edv / (ISP * 9.8) + MPAY * edv / (ISP * 9.8) - MPAY = ME + MPROP - MPAY * edv / (ISP * 9.8) - MPAY = ME - ME * edv / (ISP * 9.8) + MPROP - MPAY * (edv / (ISP * 9.8) - 1) = ME - ME * edv / (ISP * 9.8) + MPROP - MPAY * (edv / (ISP * 9.8) - 1) = ME * (1 - edv / (ISP * 9.8)) + MPROP - MPAY = (ME * (1 - edv / (ISP * 9.8)) + MPROP) / (edv / (ISP * 9.8) - 1) - - - - - - - - - -
46: References
