Course 249994240 in WS 2013/4
|Semester Weekly Hours||2 SWS|
|Organisational Unit||Chair of Astronautics (Prof. Walter)|
Tue, 13:00–14:30, MW 0250
Assignment to Modules
Courses are together with exams the building blocks for modules. Please keep in mind that information on the contents, learning outcomes and, especially examination conditions are given on the module level only – see section "Assignment to Modules" above.
|additional remarks||• Basics of Rocketry: Rocket Principle & Rocket Equation, Momentum Force & Pressure Force, Specific Solutions of the Rocket Equation, Propulsion Demand & Propellant Demand, Efficiency, Trade off: Structure vs. Payload, Rocket Optimization, Payload Optimization, Parallel & Tandem Staging • Propulsion Systems: Propulsion Concepts, Thermodynamic Aspects, Flow Conditions, Combustion Chamber and Nozzle Geometry, Nozzle Optimization, Engine Design, Expansion Ratio, Cooling, Monopropellant Motors, Bipropellant Motors, Solid Propellant Motors, Cold Gas, Propellants, Feed Systems, Electric Propulsion, Exotic Propulsion Systems • Launcher Systems: Performance Characteristics, Selection Criteria, Launch Loads, Payload Capacity, Costs, Reliability, Available Systems, Launch Sites, Satellite Market, Future Prognoses • Environment: Environmental Influences, Atmosphere, Atmosphere Layers and Physics, Density Allocation, Solar Influence, Chemical Composition, Temperature, Electromagnetic Properties, Solar Flares, Solar Constant, Earth Magnetic Field, Van Allan Belts, Galactic Cosmic Radiation, Radiation Effects, Space Debris, Shielding • Ascent: Equations of Motion, Coordinate Systems, Ascent Trajectories, Ascent Phases, Gravity Turn & Pitch Maneuver • Astrodynamics I: Newton's Equation of Motion, Laws of Conservation (Kepler's 2nd Law, Vis-Viva Equation), Solutions of Equation of Motion, Energy Considerations, Conservation of Energy and Momentum, Two Body Problem, • Astrodynamics II: Orbital Trajectories (Circle, Ellipsis, Parabola, Hyperbola), Orbit Elements (Keplerian Elements), 2-Impulse Orbit Transfer (Hohmann-Transfer), Vis-Viva, • Interplanetary Flight: Interplanetary Trajectories, Sphere of Influence, Transfer Times, Launch Window, Fly-By Maneuver, Weak Stability Boundary, Libration Points • Reentry: Thermal Problem of Reentry, Equations of Motion, Reentry in High Altitude, Ballistic Reentry, Skip Reentry, Lift Reentry, Thermal Loads, Countermeasures, Critical Acceleration, Apollo and Shuttle Example|
E-Learning course (e. g. Moodle)