Sökning: "geostationary orbit"
Visar resultat 1 - 5 av 12 uppsatser innehållade orden geostationary orbit.
1. Flight Dynamics Software Industrialisation for Inclined Orbits
Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanikSammanfattning : The geostationary orbit has many applications for Earth observation and telecommunications. Like all satellites, spacecraft in this type of orbit are affected by perturbations. These perturbations can modify the satellites trajectories and, without control, deviate them from their target position. LÄS MER
2. Thermal environment and design considerations of the Foresail-2 satellite mission
Master-uppsats, Luleå tekniska universitet/RymdteknikSammanfattning : The thermal design of small satellite missions is critical for ensuring the performance and longevity of onboard instruments. This thesis focuses on the thermal design of Foresail-2, a 6U CubeSat mission to Geostationary Transfer Orbit (GTO), specifically addressing the thermal challenges associated with the magnetometer located at the end of a long boom featured on the satellite. LÄS MER
3. Radiation Shielding Simulations for Small Satellites on Geostationary Transfer Orbit
Master-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknikSammanfattning : The emergence of small and affordable satellites has led to rapid growth in the number of launched satellites over the past two decades. To save costs, small satellites often use mass-produced electronic components not explicitly designed for the radiation environment of space, which reduces reliability and makes them unsuitable for higher orbits. LÄS MER
4. Attitude control using ion thrusters for solar sailing from Low Earth Orbit to sub-L1
Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)Sammanfattning : The purpose of the study is to evaluate the possibility of using gridded ion thrusters as a means of attitude control for a solar sail as a part of the sunshade project, which aims to place 10^8 solar sail sunshade spacecraft, each with an area of about 10 000 m^2, at the Sun-Earth Lagrangian point L1 in order to reduce Earth's global temperature. Two types of solar sail sunshade spacecraft were studied. LÄS MER
5. Design of a Satellite Constellation Intended for Use with a Small User Terminal
Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanikSammanfattning : Satellite constellations intended for communications services are becoming increasingly relevant with multiple companies such as Starlink and OneWeb launching constellations consisting of hundreds or thousands of satellites. This thesis investigated how such a constellation can be designed for a small user terminal with a diameter of approximately 15 cm. LÄS MER
