Micropropulsion for Small Spacecraft.

Cover -- Title -- Copyright -- Table of Contents -- Preface -- I. Surveys -- Chapter 1 Micropropulsion Options for the TechSat21 Space-Based Radar Flight -- Introduction -- TechSat21 Design -- Micropropulsion Options -- Analysis -- Conclusions -- References -- Chapter 2 University Micro-/NanosatelIite as a Micropropulsion Testbed -- Introduction -- University Satellites as Technology Testbed -- Three Corner Sat -- Potential Micropropulsion Systems for 3CS -- Conclusions -- References -- Chapter 3 Thruster Options for Microspacecraft: A Review and Evaluation of State-of-the-Art and Emerging Technologies -- Introduction -- Recent Microspacecraft Developments -- Preliminary Set of Micropropulsion Requirements for Microspacecraft -- Review of Chemical Propulsion Technologies -- Review of Electric Propulsion Technologies -- Emerging Technologies: MEMS and MEMS-Hybrid -- Evaluation of Existing Propulsion Technologies and Identification of Future Technology Needs -- Conclusions -- References -- Chapter 4 System Considerations and Design Options for Microspacecraft Propulsion Systems -- Nomenclature -- Introduction -- Micropropulsion Scaling Issues -- Micropropulsion System Considerations -- Conclusions -- References -- II. Electrothermal Thrusters -- Chapter 5 Predicted Performance and Systems Analysis of the Free Molecule Micro-Resistojet -- Nomenclature -- Introduction -- Theory -- Calculations -- Results -- Discussion -- Systems Analysis -- Propellant Storage Volume Considerations -- Conclusions -- References -- Chapter 6 Study of Very Low-Power Arcjets -- Nomenclature -- Introduction -- Experiment -- Results and Discussion -- Conclusions -- References -- Chapter 7 Low-Power Microwave Arcjet Testing: Plasma and Plume Diagnostics and Performance Evaluation -- Nomenclature -- Introduction -- Experiment -- Propellant Testing.

Electron Temperature Experiment -- Doppler Shift Experiment -- Thrust Measurement -- Conclusions -- References -- Chapter 8 Vaporizing Liquid Microthruster Concept: Preliminary Results of Initial Feasibility Studies -- Introduction -- Chip Design and Fabrication -- Heater Characterization -- Propellant Vaporization: Initial Studies -- Preliminary Conclusions and Future Work -- References -- III. Electrostatic Thrusters -- Chapter 9 Fifty-Watt Hall Thruster for Microsatellites -- Introduction -- Hall Thruster Operation -- Scaling Model -- Thruster Design -- Testing Facility -- Experimental Results -- Alternative Scaling Scenarios: Universal Scaling -- Conclusions and Recommendations -- References -- Chapter 10 Development and Testing of a Low-Power Hall Thruster System -- Introduction -- Thruster System Description -- Thruster Performance -- Summary -- References -- Chapter 11 Performance of Field Emission Cathodes in Xenon Electric Propulsion System Environments -- Nomenclature -- Introduction -- FEA Cathode Performance Modeling -- Cathode Experimental Performance Evaluations -- Discussion -- Conclusions -- References -- Chapter 12 Electric Breakdown Characteristics of Silicon Dioxide Films for Use in Microfabricated Ion Engine Accelerator Grids -- Introduction -- Microfabricated Grid Design Issues -- Previous Related Research -- Description of the Experiment -- Substrate Breakdown Tests -- Surface Breakdown Tests -- Conclusions -- References -- IV. Electromagnetic Thrusters -- Chapter 13 Pulsed Plasma Thruster Performance for Microspacecraft Propulsion -- Nomenclature -- Introduction -- PPT Performance for Micropropulsion -- Discussion -- References -- Chapter 14 Pulsed Plasma Thrusters for Microsatellite Propulsion: Techniques for Optimization -- Nomenclature -- Introduction -- Numerical Modeling -- Idealized Model.

Confirmation of the Idealized Model -- Optimized Current Waveforms -- Simulations in Coaxial Geometry -- Optimizing the Specific Impulse -- Conclusions -- Appendix: Plasma Speed at the Magnetosonic Point in the Limit of a Low β and a High Magnetic Reynolds Number -- References -- Chapter 15 Laboratory Investigation of Pulsed Plasma Thrusters with Gas Valves -- Introduction -- Electromagnetic Pulsed Gas Valves -- Gas Propellant PPTs -- Conclusions -- References -- V. Components -- Chapter 16 Fabrication and Testing of Micron-Sized Cold-Gas Thrusters -- Nomenclature -- Introduction -- Fabrication -- Numerical Simulation -- Experimental Testing -- Results and Discussion -- Conclusions -- References -- Chapter 17 Micro-Isolation Valve Concept: Initial Results of a Feasibility Study -- Introduction -- Description of the Concept -- Burst Pressure Tests -- Plug Melting Tests -- Conclusions and Future Work -- References -- Chapter 18 Space-Charge-Limited Emission from Field Emission Cathodes for Electric Propulsion and Tether Applications -- Nomenclature -- Introduction -- One-Dimensional Cathode Sheath Model -- Three-Dimensional Particle Simulation Model -- Discussion -- Conclusions -- Appendix A: One-Dimensional Planar Sheath Model -- Appendix B: One-Dimensional Spherical Sheath Model -- References -- Chapter 19 Review and Applicability Assessment of MEMS-Based Microvalve Technologies for Microspacecraft Propulsion -- Introduction -- Microspacecraft Valve Requirements -- MEMS Microvalve Survey -- Evaluation of State-of-the-Art MEMS Valves and Future Technology Needs -- Conclusions -- References -- Author Index -- A -- B -- C -- D -- F -- G -- H -- J -- K -- L -- M -- P -- R -- S -- T -- W.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.