Cerca
Ara es mostren els items 1-9 de 9
Attitude control for satellites flying in VLEO using aerodynamic surfaces
(British Interplanetary Society, 2020)
Article.
Accés restringit per política de l'editorial
Article.
Accés restringit per política de l'editorial
This paper analyses the use of aerodynamic control surfaces, whether passive or active, in order to carry out very low Earth orbit (VLEO) attitude maneuver operations. Flying a satellite in a very low Earth orbit with an ...
In-orbit aerodynamic coefficient measurements using SOAR (Satellite for Orbital Aerodynamics Research)
(2021-03)
Article.
Accés obert
Article.
Accés obert
The Satellite for Orbital Aerodynamics Research (SOAR) is a CubeSat mission, due to be launched in 2021, to investigate the interaction between different materials and the atmospheric flow regime in very low Earth orbits ...
A review of gas-surface interaction models for orbital aerodynamics applications
(2020-11)
Article.
Accés obert
Article.
Accés obert
Renewed interest in Very Low Earth Orbits (VLEO) - i.e. altitudes below 450 km - has led to an increased demand for accurate environment characterisation and aerodynamic force prediction. While the former requires knowledge ...
On the exploitation of differential aerodynamic lift and drag as a means to control satellite formation flight
(springer-Verlag, 2019-05-27)
Article.
Accés obert
Article.
Accés obert
For a satellite formation to maintain its intended design despite present perturbations (formation keeping), to change the formation design (reconfiguration) or to perform a rendezvous maneuver, control forces need to be ...
The benefits of very low earth orbit for earth observation missions
(2020-08)
Article.
Accés obert
Article.
Accés obert
Very low Earth orbits (VLEO), typically classified as orbits below approximately 450 km in altitude, have the potential to provide significant benefits to spacecraft over those that operate in higher altitude orbits. This ...
Design of an intake and a thruster for an atmosphere-breathing electric propulsion system
(2022-10)
Article.
Accés obert
Article.
Accés obert
Challenging space missions include those at very low altitudes, where the atmosphere is the source of aerodynamic drag on the spacecraft, that fnally defnes the mission’s lifetime, unless a way to compensate for it is ...
RF Helicon-based Inductive Plasma Thruster (IPT) Design for an Atmosphere-Breathing Electric Propulsion System (ABEP)
(2020-11)
Article.
Accés obert
Article.
Accés obert
Challenging space missions include those at very low altitudes, where the atmosphere is source of aerodynamicdrag on the spacecraft. To extend such missions lifetime, an efficient propulsion system is required. Onesolution ...
Development and analysis of novel mission scenarios based on Atmosphere-Breathing Electric Propulsion (ABEP)
(2022-10)
Article.
Accés obert
Article.
Accés obert
Operating satellites in Very Low Earth Orbit (VLEO) benefit the already expanding New Space industry in applications including Earth Observation and beyond. However, long-term operations at such low altitudes require ...
Intake design for an Atmosphere-Breathing Electric Propulsion system (ABEP)
(2021-10)
Article.
Accés obert
Article.
Accés obert
Challenging space missions include those at very low altitudes, where the atmosphere is source of aerodynamic drag on the spacecraft. To extend the lifetime of such missions, an efficient propulsion system is required. One ...