S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...

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Dual-Mode Systems - 44-
- 45- Dual-Mode systems use hydrazine (N2H4) both as fuel for a bipropellant (N2H4/N2O4) Liquid Apogee Engine (LAE) and as monopropellant for on-orbit Attitude and Orbit Control Systems (AOCS) from a common fuel tank. The propulsion system layout is shown in the popup with the propellant feed system design similar to that of the bipropellant system, as described earlier. Advantages Higher Thruster-spec. Impulse, Isp (≤ 3110 Ns/kg) for orbit maneuvers Common fuel tank for attitude/orbit control and orbit Can use higher performance station keeping thruster, e.g. Power Augmented Catalytic Thruster (PACT) at Isp = 3000 Ns/kg versus Isp = 2900 Ns/kg for F = 10 – 22 N (bipropellant thrusters) if required. Disadvantages Dual-Mode system complexity with added valves, regulators, etc. Higher cost in comparison to monopropellant hydrazine systems.
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- 1- Chapter 1: Introduction to Spa
Page 3 and 4:
S.3 Need of Propulsion Propulsion i
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Orbit control ORBIT CONTROL compris
Page 7 and 8:
S.4 Reaction-Control System - 7- Th
Page 9 and 10:
Solar Sails - 9-
Page 11 and 12:
S.5 Jet Propulsion System - 11- The
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S.6 Spacecraft Propulsion - 13- Spa
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Impulse bits - 15- Impulse bit is t
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Nuclear propulsion Note - 17- SCHEM
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- 1- Chapter 2: Basic Propulsion Eq
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S.3 Basic Equation of Thrust - 3- B
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S.4 Basic Rocket Equation Total Vel
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- 7- S.6 Propulsion Performance Fac
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Test - 9-
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- 11- S.8 Propulsion System Perform
Page 31 and 32: - 13- S.9 Type of Propulsion System
Page 33 and 34: Rocket propulsion device basic part
Page 35 and 36: - 17- The Effective Exhaust Velocit
Page 37 and 38: Kinetic energy in the expelled mass
Page 39 and 40: - 1- Chapter 3: Spacecraft Propulsi
Page 41 and 42: - 3- S.3 Propulsion System Options
Page 43 and 44: Chemical Propulsion Systems - 5- Ch
Page 45 and 46: S.4 Cold and Hot Gas Systems - 7- C
Page 47 and 48: Cold Gas Systems (Operate) - 9- Col
Page 49 and 50: Typical System - 11-
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Page 53 and 54: Advantages Simplicity and reliabili
Page 55 and 56: Liquid Propellants - 17- Characteri
Page 57 and 58: S.6 Liquid Propellant Systems - 19-
Page 59 and 60: Monopropellant Systems (Operate) -
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Page 65 and 66: Diaphragm Tank - 27-
Page 67 and 68: Advantages Simplicity and reliabili
Page 69 and 70: Bipropellant Systems (Operate) - 31
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Page 75 and 76: Propellant Tanks - 37-
Page 77 and 78: Unified Propulsion Systems - 39-
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Page 81: - 43- Main Performance of Bipropell
Page 85 and 86: Under Development: - 47- A new fami
Page 87 and 88: Solid Propellant Motor - 49-
Page 89 and 90: - 51- Main Performance of Solid Pro
Page 91 and 92: Electric Propulsion Systems - 53- E
Page 93 and 94: Note: - 55- For electric propulsion
Page 95 and 96: Power Augmented Catalytic Thruster
Page 97 and 98: Electrostatic Systems - 59- Electro
Page 99 and 100: - 61- Survey of Electrical Thruster
Page 101 and 102: S.9 Summary - 63- Main characterist
Page 103 and 104: Chapter 4: Spacecraft Propulsion Sy
Page 105 and 106: - 3 - S.3 Propulsion System Selecti
Page 107 and 108: Important indication - 5 - If we as
Page 109 and 110: S.4 Outline of Advanced Spacecraft
Page 111 and 112: Exploration of the Solar System - 9
Page 113 and 114: - 11 - For micro- and nanospacecraf
Page 115 and 116: wafer 4 wafer 3 wafer 2 wafer 1 Sev
Page 117 and 118: - 15 - Potential increase in perfor
Page 119 and 120: - 17 - New Approaches in Advanced P
Page 121 and 122: - 19 - New Approaches in Advanced P
Page 123 and 124: - 21 - Exotic Propulsion Methods: A
Page 125: Literature - 23 - Wiley J. Larsson
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S.1 Spacecraft Propulsion Systems Chapter 1: Introduction to ...

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