Development of a Cold Gas Propulsion System for the ... - SSL - MIT

Table of Contents
List of Figures ................................................................................................................................... 11
List of Tables .................................................................................................................................... 13
Notation .......................................................................................................................................... 15
1 Introduction ............................................................................................................................. 19
2 Propulsion System Architecture ................................................................................................ 22
2.1 Vehicles Other Than TALARIS ...................................................................................................... 22
2.2 Review of TALARIS Propulsion Architecture ............................................................................... 28
2.3 Confirming the Decision to Use Cold Gas Propulsion ................................................................. 30
2.3.1 General Hopper Propulsion Design Considerations ............................................................ 30
2.3.2 Comparison of Cold Gas and Monopropellant Systems ..................................................... 33
2.4 Selection of Nitrogen Propellant ................................................................................................. 37
3 TALARIS CGSE Design Framework .............................................................................................. 39
3.1 CGSE Requirements Definition ................................................................................................... 39
3.1.1 Functional Requirements .................................................................................................... 39
3.1.2 TALARIS Flight Profile .......................................................................................................... 40
3.1.3 Requirements Flowdown .................................................................................................... 41
3.1.4 Derived Requirements ........................................................................................................ 45
3.2 CGSE System Schematic: Introduction to Components .............................................................. 45
4 Modeling and Flow Control Components ................................................................................... 47
4.1 MATLAB Model ........................................................................................................................... 47
4.1.1 Flight Profiles....................................................................................................................... 48
4.1.2 Rocket Propulsion Equations .............................................................................................. 49
4.1.3 Thermodynamic Equations ................................................................................................. 51
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