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Liquid acquisition devices for advanced in-space cryogenic propulsion systems
Liquid Acquisition Devices for Advanced In-Space Cryogenic Propulsion Systems discusses the importance of reliable cryogenic systems, a pivotal part of everything from engine propulsion to fuel deposits. As some of the most efficient systems involve advanced cryogenic fluid management systems that present challenging issues, the book tackles issues such as the difficulty in obtaining data, the lack of quality data and models, and the complexity in trying to model these systems. The book presents models and experimental data based on rare and hard-to-obtain cryogenic data. Through clear descriptions of practical data and models, readers will explore the development of robust and flexible liquid acquisition devices (LAD) through component-level and full-scale ground experiments, as well as analytical tools. This book presents new and rare experimental data, as well as analytical models, in a fundamental area to the aerospace and space-flight communities. With this data, the reader can consider new and improved ways to design, analyze, and build expensive flight systems.
Front Cover; Liquid Acquisition Devices for Advanced In-Space Cryogenic Propulsion Systems; Copyright; Dedication; Contents; Foreword; Preface; Acknowledgments; Chapter 1: Introduction; 1.1. The Flexible Path; 1.2. Fundamental Cryogenic Fluids; 1.3. Motivation for Cryogenic Propulsion Technology Development; 1.4. Existing Challenges with Cryogenic Propellants; 1.5. Cryogenic Fluid Management Subsystems; 1.6. Future Cryogenic Fluid Management Applications; 1.6.1. In-Space Cryogenic Engines; 1.6.2. In-Space Cryogenic Fuel Depots; 1.7. Purpose of Work and Overview by Chapter
Chapter 2: Background and Historical Review2.1. Propellant Management Device Purpose; 2.2. Other Types of Propellant Management Devices; 2.3. Vanes; 2.3.1. Design Concept, Basic Flow Physics, and Principle of Operation; 2.3.2. Advantages and Disadvantages; 2.3.3. Storable Propellant Historical Examples; 2.3.3.1. Space Experiments; 2.3.3.2. Vehicles and Missions; 2.4. Sponges; 2.4.1. Design Concept, Basic Flow Physics, and Principle of Operation; 2.4.2. Advantages and Disadvantages; 2.4.3. Storable Propellant Historical Examples; 2.4.3.1. Space Experiments; 2.4.3.2. Vehicles and Missions
2.5. Screen Channel Liquid Acquisition Devices2.5.1. Design Concept, Basic Flow Physics, and Principle of Operation; 2.5.2. Mesh and Metal Type; 2.5.3. Advantages and Disadvantages; 2.5.4. Storable Propellant Historical Examples; 2.5.4.1. Space Experiments; 2.5.4.2. Vehicles and Missions; 2.5.5. Cryogenic Propellant Historical Examples; 2.6. Propellant Management Device Combinations; 2.7. NASA's Current Needs; Chapter 3: Influential Factors and Physics-Based Modeling of Liquid Acquisition Devices; 3.1. 1-g One Dimensional Simplified Pressure Drop Model
3.2. The Room Temperature Bubble Point Pressure3.2.1. Assumptions; 3.2.2. Bubble Point Model Derivation; 3.2.3. Types of Bubble Point Experiments; 3.2.4. Surface Tension Model; 3.2.5. Specifying the Effective Pore Diameter; 3.2.6. Previously Reported Bubble Points; 3.3. Hydrostatic Pressure Drop; 3.4. Flow-Through-Screen Pressure Drop; 3.4.1. Model Derivation; 3.4.2. Model Parameters and Flow-Through-Screen Experiment; 3.4.3. Historical Data and Trends; 3.5. Frictional and Dynamic Pressure Drop; 3.6. Wicking Rate; 3.6.1. Model Derivation; 3.6.2. Wicking Rate Experiment
3.6.3. Historical Data and Trends3.7. Screen Compliance; 3.7.1. Model Derivation and Screen Compliance Experiment; 3.7.2. Historical Data and Trends; 3.8. Material Compatibility; 3.9. The Room Temperature Reseal Pressure Model; 3.9.1. Model Derivation; 3.9.2. Historical Data and Trends; 3.9.3. Specifying the Reseal Diameter; 3.10. Pressurant Gas Type; 3.11. Concluding Remarks and Implications for Cryogenic Propulsion Systems; Chapter 4: Room Temperature Liquid Acquisition Device Performance Experiments; 4.1. Pure Fluid Tests; 4.1.1. Scanning Electron Microscopy Analysis
Includes bibliographical references and index.