Fundamental Concepts of Liquid-Propellant Rocket Engines

This book is intended for students and engineers who design and develop liquid-propellant rocket engines, offering them a guide to the theory and practice alike. It first presents the fundamental concepts (the generation of thrust, the gas flow through the combustion chamber and the nozzle, the liquid propellants used, and the combustion process) and then qualitatively and quantitatively describes the principal components involved (the combustion chamber, nozzle, feed systems, control systems, valves, propellant tanks, and interconnecting elements). Les mer
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Om boka

This book is intended for students and engineers who design and develop liquid-propellant rocket engines, offering them a guide to the theory and practice alike. It first presents the fundamental concepts (the generation of thrust, the gas flow through the combustion chamber and the nozzle, the liquid propellants used, and the combustion process) and then qualitatively and quantitatively describes the principal components involved (the combustion chamber, nozzle, feed systems, control systems, valves, propellant tanks, and interconnecting elements). The book includes extensive data on existing engines, typical values for design parameters, and worked-out examples of how the concepts discussed can be applied, helping readers integrate them in their own work. Detailed bibliographical references (including books, articles, and items from the "gray literature") are provided at the end of each chapter, together with information on valuable resources that can be found online. Given its scope, the book will be of particular interest to undergraduate and graduate students of aerospace engineering.

Fakta

Innholdsfortegnelse

Preface



Chapter 1: Fundamental concepts on liquid-propellant rocket



engines



1. The generation of thrust



2. The gas flow through the combustion chamber and the nozzle



3. Performance indicators



4. Liquid propellants for high-thrust rocket engines



5. Combustion of propellants in steady state



6. Combustion of propellants in unsteady state



7. The principal components of a liquid-propellant rocket engine



Chapter 2: The thrust chamber assembly



1. The principal components of a thrust chamber



2. The design of a thrust chamber for thrust vector control



3. Performance of a thrust chamber



4. Configuration and design of a thrust chamber



5. Cooling of a thrust chamber



6. Injectors



7. Gas-generator and other engine cycles



8. Igniters



9. Combustion instability



Chapter 3: Feed systems using gases under pressure



1. Fundamental concepts



2. Requirements for gases stored under pressure



3. Feed systems using gases stored for bi-propellants



4. Feed systems using evaporation of two propellants



5. Feed systems using gases stored for mono-propellants



6. Feed systems using combustion products



7. Control systems for liquid-propellant gas generators



8. Feed systems using direct injection into the main propellant tanks



9. Choice of a feed system using gases under pressure



Chapter 4: Feed systems using turbo-pumps



1. Fundamental concepts



2. Pumps for propellants



3. Turbines driving the pumps



4. Sources of energy for turbines



5. Description of a typical turbo-pump



6. Turbo-pump performance



7. Turbo-pump design parameters



8. Heads and mass flow rates of pumps



9. Design of centrifugal-flow pumps



10. Design of axial-flow pumps



11. Design of turbines



12. Bearings for turbo-pumps



13. Seals for turbo-pumps



14. Gears for turbo-pumps



Chapter 5: Control systems and valves



1. Fundamental concepts on control systems



2. Control systems for rocket engines



3. Control of thrust magnitude



4. Control of propellant mixture ratio



5. Control of propellant consumption



6. Control of thrust direction



7. Principal components of flow control systems



8. Static and dynamic seals for leakage control in valves



9. Design of propellant valves



10. Design of pilot valves



11. Design of flow regulating devices of the fixed-area type



12. Design of servo-valves



13. Design of pressure-reducing regulators



14. Design of differential pressure regulators



15. Design of relief valves



16. Design of check valves



17. Design of burst discs



18. Design of explosive valves



Chapter 6: Tanks for propellants



1. Fundamental concepts



2. Tanks subject only to membrane stresses



3. Tanks subject to membrane and bending stresses



4. Multi-element tanks



5. Tanks subject to loads due to propellant sloshing



6. Slosh-suppression devices for tanks



7. Materials, processes, and environmental conditions of tanks



8. Fracture control of metals used for tanks



9. Structural elements of tanks



Chapter 7: Interconnecting components and structures



1. Fundamental concepts



2. Interconnecting ducts and structures in a rocket engine



3. Materials used for tubing in rocket engines



4. Coupling components for tubing



5. Control of pressure loss in tubing



6. Control of vibrations at the inlet of pumps



7. Bellows joints



8. Flexible hoses



9. Filters



10. Design of a flange joint



11. Gaskets and other seals for flange joints



12. Design of a bellows joint for a flexible duct

Om forfatteren

Alessandro de Iaco Veris holds degrees in civil engineering and aerospace engineering, both from the University of Rome. He has also completed specialist training, including a high-level professional course on "Projet, calcul et emploi des fusees spatiales" at the Ecole Nationale Superieure de l'Aeronautique et de l'Espace (ENSAE) and a course on "Dynamics of Controlled Structures" at Massachusetts Institute of Technology (MIT). He is a strong proponent of the application of mathematics for practical purposes and in particular for the solution of problems arising in engineering. His expertise is in the fields of mathematical models and numerical methods for aerodynamics, space flight mechanics, system studies, and mission analysis. His professional interests include numerical integration methods used to predict the motion of space vehicles and Earth satellites subject to perturbations.