In-orbit aerodynamic coefficient measurements using SOAR (Satellite for Orbital Aerodynamics Research)

Crisp, Nicholas; Roberts, Peter; Livadiotti, Sabrina; Rojas, Alejandro Macario; Oiko, Vitor Toshiyuki Abrao; Edmondson, Steve; Haigh, Sarah J.; Holmes, Brandon; Sinpetru, Luciana; Smith, Katherine; Becedas, Jonathan; Domínguez, Rosa M.; Sulliotti-Linner, V.; Christensen, Steffan Wittrup; Nielsen, Jens D.; Bisgaard, Morten; Chan, Yung-An; Fasoulas, Stefanos; Herdrich, Georg; Romano, Francesco; Traub, Constantin; García-Almiñana, Daniel; Rodriguez-Donaire, Silvia; Sureda, Miquel; Kataria, D. O.; Belkouchi, Badia; Conte, Alexis; Seminari, Simon; Villain, Rachel

doi:10.1016/j.actaastro.2020.12.024

Cited by 38 publications

(19 citation statements)

References 48 publications

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“…Currently, a set of sub-scale prototypes are prepared for being tested in relevant VLEO AO flow conditions within the H2020 DISCOVERER project. The Rarefied Orbital Aerodynamics Research facility (ROAR) at The University of Manchester [54] will be used to experimentally validate such designs under AO flows at VLEO conditions, as well as the future incoming results on aerodynamic SC control from the Satellite for Orbital Aerodynamics Research (SOAR) [55]. Furthermore, the application of real material GSI properties to the simulations has to be applied for later being further iterated with the intake testing.…”

Section: Discussionmentioning

confidence: 99%

RF Helicon-based Inductive Plasma Thruster (IPT) Design for an Atmosphere-Breathing Electric Propulsion system (ABEP)

et al. 2020

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Challenging space missions include those at very low altitudes, where the atmosphere is source of aerodynamic drag on the spacecraft. To extend such missions lifetime, an efficient propulsion system is required. One solution is Atmosphere-Breathing Electric Propulsion (ABEP). It collects atmospheric particles to be used as propellant for an electric thruster. The system would minimize the requirement of limited propellant availability and can also be applied to any planet with atmosphere, enabling new mission at low altitude ranges for longer times. Challenging is also the presence of reactive chemical species, such as atomic oxygen in Earth orbit. Such species cause erosion of (not only) propulsion system components, i.e. acceleration grids, electrodes, and discharge channels of conventional EP systems. IRS is developing within the DISCOVERER project, an intake and a thruster for an ABEP system. The paper describes the design and implementation of the RF helicon-based inductive plasma thruster (IPT). This

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Section: Discussionmentioning

confidence: 99%

RF Helicon-based Inductive Plasma Thruster (IPT) Design for an Atmosphere-Breathing Electric Propulsion system (ABEP)

et al. 2020

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“…Thus, although the accommodation coefficient is rarely quantified for reentry materials, the study of satellite aerodynamic gives a good insight of the expected accommodation coefficient. Hence, Moe [28] and more recently Crisp et al [29] addressed the issue of gas-surface interaction and evidenced that for Very Low Earth orbiting satellites (below 200 km), the significant contamination due to adsorption results in accommodation coefficient values close to unity (w ≈ 0.8 to 1.0). Given the roughness of the IXV TPS and its likely contamination, the same order of magnitude would be expected.…”

Section: Analysis Of the Flowfieldmentioning

confidence: 99%

IXV post-flight reconstruction and analysis of the aerothermodynamic measurements along the rarefied portion of the reentry trajectory

Schouler

Prévereaud

Mieussens

2021

International Journal of Heat and Mass Transfer

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“…It spins at the same speed and in the same direction as the earth, so its trajectory is fixed above a point on the ground. • Orbital satellite [4] is a satellite that covers different geographic areas.…”

Section: Network Architecture Based On Satellite Communicationmentioning

confidence: 99%

Routing Communication Inside Ad Hoc Drones Network

Zemrane¹,

Baddi

Hasbi³

2021

Int. J. Interact. Mob. Technol.

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The world knows a constant development of technology applied in different sectors of activities: health, factories, homes, transportation, and others, one of the big axes that take a lot of attention today is the drone’s field. To communicate information a fleet of drones can use different communication architectures: centralized communication architecture, satellite communication architecture, cellular network communication architecture and a specific AdHoc communication architecture called the UAANET drones architecture. In our work we focused specifically on the routing of information inside the UAANET where we analyze and compare the performances of the reactive protocol AODV and the proactive protocol OLSR, when the UAANET use an applications based on the HTTP protocol, the FTP protocol, the database queries, voice application, and video conferencing application.

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In-orbit aerodynamic coefficient measurements using SOAR (Satellite for Orbital Aerodynamics Research)

Cited by 38 publications

References 48 publications

RF Helicon-based Inductive Plasma Thruster (IPT) Design for an Atmosphere-Breathing Electric Propulsion system (ABEP)

RF Helicon-based Inductive Plasma Thruster (IPT) Design for an Atmosphere-Breathing Electric Propulsion system (ABEP)

IXV post-flight reconstruction and analysis of the aerothermodynamic measurements along the rarefied portion of the reentry trajectory

Routing Communication Inside Ad Hoc Drones Network

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