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5 papers · 1 filter
System Modelling of Very Low Earth Orbit Satellites for Earth Observation
N. H. Crisp, P. C. E. Roberts, K. L. Smith +7
The operation of satellites in very low Earth orbit (VLEO) has been linked to a variety of benefits to both the spacecraft platform and mission design. Critically, for Earth observ…
Intake Design for an Atmosphere-Breathing Electric Propulsion System (ABEP)
F. Romano, J. Espinosa-Orozco, M. Pfeiffer +29
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 ef…
In-Orbit Aerodynamic Coefficient Measurements using SOAR (Satellite for Orbital Aerodynamics Research)
N. H. Crisp, P. C. E. Roberts, S. Livadiotti +26
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 atmosphe…
A Review of Gas-Surface Interaction Models for Orbital Aerodynamics Applications
Sabrina Livadiotti, Nicholas H. Crisp, Peter C. E. Roberts +29
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 pred…
The Benefits of Very Low Earth Orbit for Earth Observation Missions
N. H. Crisp, P. C. E. Roberts, S. Livadiotti +30
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 tha…