A5073854176- Astro and Planetary Science
- Planetary Science and Exploration
- Spacecraft and Cryogenic Technologies
- Space Satellite Systems and Control
- Spacecraft Dynamics and Control
- Spacecraft Design and Technology
- Stellar, planetary, and galactic studies
- Fluid Dynamics and Turbulent Flows
- Aerodynamics and Acoustics in Jet Flows
- Space exploration and regulation
- Computational Fluid Dynamics and Aerodynamics
- Wind and Air Flow Studies
- Distributed systems and fault tolerance
- Electrohydrodynamics and Fluid Dynamics
- International Science and Diplomacy
- Nuclear Physics and Applications
- Maritime Navigation and Safety
- Law, logistics, and international trade
- Radioactive Decay and Measurement Techniques
- Electrostatic Discharge in Electronics
- Historical Astronomy and Related Studies
- Isotope Analysis in Ecology
- Forensic Fingerprint Detection Methods
- Astronomical and nuclear sciences
- Aerospace Engineering and Control Systems
Flanders Make (Belgium)
2022
Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
2014-2018
Dienstleistungszentrum Ländlicher Raum
2016
RWTH Aachen University
2012-2015
LVR-Klinik Köln
2013
TU Dresden
2013
University of Freiburg
2013
Institute of High Performance Computing
2013
University of Stuttgart
2013
Computing Center
2013
The Philae lander, part of the Rosetta mission to investigate comet 67P/Churyumov-Gerasimenko, was delivered cometary surface in November 2014. Here we report precise circumstances multiple landings Philae, including bouncing trajectory and rebound parameters, based on engineering data conjunction with operational instrument data. These also provide information mechanical properties (strength layering) surface. first touchdown site, Agilkia, appears have a granular soft (with compressive...
Philae’s landing on comet 67P/Churyumov–Gerasimenko 12 November 2014 was one of the main milestones European Rosetta mission. The nature mission, to land, operate and survive 67P, required a high degree in autonomy on-board software operations scheduling execution concept. baseline timeline consisted predefined validated blocks instrument deployments scientific measurements. These were supported by subsystem activities such as rotation lifting body relative gear allow for specific deployment...
The ESA Rosetta mission is a European cornerstone that will study the evolution of comet 67P/Churyumov-Gerasimenko on its trajectory around Sun and include delivery Philae lander for in-situ investigation nucleus sub-surface. funded operated by consortium, consists an independent spacecraft platform including 10 scientific instruments. operations are scheduled implemented Science Navigation Operations Center (SONC) at CNES/Toulouse Lander Control (LCC) DLR/Cologne. was launched in March 2004...
The feasibility of outer planetary missions is strongly dependent on acceptable trip times and the availability an adequate power source not reliant Sun. A Radioisotope Thermoelectric Generator, which frequently included for generation purposes, can also provide a viable option propulsion when coupled with Electric Propulsion system during transfer phase. This paper describes parametric study into advantages such Generator - combination possible future mission to planets. Three dierent...
An adverse pressure gradient turbulent boundary layer has been established to show that the micro-pillar shear-stress sensor can be used in non-constant free-stream flows measure wall-shear stress distribution. The quality of reference ensured by additional measurements such as and PIV measurements, large-eddy simulations. momentum based Reynolds number is Reθ = 4420 Clauser parameter characterizing β 1.77. introductory discussion on sensitivity reveals only little effect a results since...
A zonal RANS-LES method is presented and applied to the unsteady flow around an airfoil at high angle of attack. The attached boundary layer simulated by RANS whereas laminar separation bubble, laminar-to-turbulent transition, trailing-edge are computed using LES. general domain connected LES overlapping regions. RANS-to-LES transition for turbulent couples a inflow generation with controlled forcing ensure fast smooth transition. from applies reconstruction technique viscosity combined...
Rosetta is an ambitious ESA mission, launched in March 2004 from Kourou and which performed a rendezvous with comet 67/P Churyumov-Gerasimenko. Its lander, Philae, achieved landing on soil the 12th November 2014 64 hours of science activities its batteries before going into hibernation due to lack solar energy.
Abstract This investigation aims to demonstrate relevant pitfalls of exemplary surface contaminations on polymer blends with respect quality assurance (QA) adhesive joints, and highlights approaches Extended Non-Destructive Testing (ENDT) for tackling the challenges inline during manufacture or repair processes. Greasy fingerprints were intentionally applied surfaces different acrylonitrile butadiene styrene (ABS) substrates before joining them a two component (2C) polyurethane (PU)...