Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Measuring ejecta characteristics and momentum transfer in experimental simulation of kinetic impact
Schimmerohn, Martin; Watson, Erkai; Gulde, Max; Kortmann, Lukas; Schäfer, Frank
Zeitschriftenaufsatz
2019Optical fragment tracking in hypervelocity impact experiments
Watson, Erkai; Gulde, Max; Kortmann, Lukas; Higashide, Masumi; Schäfer, Frank; Hiermaier, Stefan
Zeitschriftenaufsatz
201870-116-GHz LNAs in 35-nm and 50-nm gate-length metamorphic HEMT technologies for cryogenic and room-temperature operation
Thome, Fabian; Leuther, Arnulf; Gallego, Juan Daniel; Schäfer, Frank; Schlechtweg, Michael; Ambacher, Oliver
Konferenzbeitrag
2018Additive manufactured structures for the 12U nanosatellite ERNST
Schimmerohn, Martin; Bierdel, Marius; Gulde, Max; Sholes, Darren; Pfaff, Aron; Pielok, Michael; Hoschke, Klaus; Horch, Clemens; Schäfer, Frank
Konferenzbeitrag
2018Architecture of highly integrated cryogenic active planar OrthoMode transducer for the 3-mm band
Valente, G.; Navarrini, A.; Schaefer, F.; Serres, P.; Thome, Fabian
Konferenzbeitrag
2018Compact dual-polarization cryogenic receiver module for the 75-116 GHz band
Navarrini, Alessandro; Valente, Giuseppe; Serres, Patrice; Schäfer, Frank; Thome, Fabian; Garnier, Olivier
Konferenzbeitrag
2018Experimental impact cratering: A summary of the major results of the MEMIN research unit
Kenkmann, Thomas; Deutsch, Alex; Thoma, Klaus; Ebert, Matthias; Poelchau, Michael; Buhl, Elmar; Carl, Eva-Regine; Danilewsky, Andreas; Dresen, Georg; Dufresne, Anja; Durr, Nathanaël; Ehm, Lars; Grosse, Christian; Gulde, Max; Güldemeister, Nicole; Hamann, Christopher; Hecht, Lutz; Hiermaier, Stefan; Hoerth, Tobias; Kowitz, Astrid; Langenhorst, Falko; Lexow, Bernd; Liermann, Hanns-Peter; Luther, Robert; Mansfeld, Ulrich; Moser, Dorothee; Raith, Manuel; Reimold, Wolf Uwe; Sauer, Martin; Schäfer, Frank; Schmitt, Ralf Thomas; Sommer, Frank; Wilk, Jacob; Winkler, Rebecca; Wünnemann, Kai
Zeitschriftenaufsatz
2018Fast view factor determination for thermal modelling
Gulde, Max; Montemayor Mancías, Javier; Schimmerohn, Martin; Schäfer, Frank
Konferenzbeitrag
2018Initial study on non-catastrophic damage risk for all-electric satellite transferring to GEO
Higashide, M.; Schimmerohn, M.; Schäfer, F.
Konferenzbeitrag
2018Integrating a large nanosatellite from CubeSat components - challenges and solutions
Horch, Clemens; Schimmerohn, Martin; Schäfer, Frank
Konferenzbeitrag
2018Managing high thermal loads in small satellites - Analysis, design, and verification of a 3D-printed radiator
Gulde, M.; Sido, A.; Pielok, M.; Hoschke, K.; Schäfer, F.; Schimmerohn, M.
Konferenzbeitrag
2018Measuring impact craters on the ISS Columbus Module
Putzar, Robin; Gulde, Max; Sabath, Dieter; Fiedler, Hauke; Drolshagen, Gerhard; Braukhane, Andy; Horstmann, Andre; Wiedemann, Carsten; Schimmerohn, Martin; Schäfer, Frank
Konferenzbeitrag
2018Optical fragment tracking in hypervelocity impact experiments
Watson, Erkai; Gulde, Max; Schäfer, Frank; Hiermaier, Stefan
Konferenzbeitrag
2018Pandapower - an Open-Source Python Tool for Convenient Modeling, Analysis and Optimization of Electric Power Systems
Thurner, L.; Scheidler, A.; Schäfer, F.; Menke, J.; Dollichon, J.; Meier, F.; Meinecke, S.; Braun, M.
Zeitschriftenaufsatz
2018Reliable, fast, and flexible: A thermal modeling approach for small satellites
Gulde, Max; Montemayor Mancías, Javier; Genova, Christopher de; Schimmerohn, Martin; Schäfer, Frank
Konferenzbeitrag
2018Robust optical tracking of individual ejecta particles in hypervelocity impact experiments
Gulde, Max; Kortmann, Lukas; Ebert, Matthias; Watson, Erkai; Wilk, Jakob; Schäfer, Frank
Zeitschriftenaufsatz
2018Towards flight qualification of an additively manufactured nanosatellite component
Bierdel, Marius; Hoschke, Klaus; Pfaff, Aron; Schimmerohn, Martin; Schäfer, Frank
Konferenzbeitrag
2018Trajectory based 3D fragment tracking in hypervelocity impact experiments
Watson, Erkai; Maas, Hans-Gerd; Schäfer, Frank; Hiermaier, Stefan
Konferenzbeitrag
2017A concept for an ultra-low power sensor network - detecting and monitoring disaster events in underground metro systems
Vincke, Jonah; Kempf, Scott; Schnelle, Niklas; Horch, Clemens; Schäfer, Frank
Konferenzbeitrag
2017The D-MEN sampling device - extracting and collecting asteroid material for sample return
Schimmerohn, Martin; Watson, Erkai; Hupfer, Jan; Pfaff, Aron; Falke, Albert; Schäfer, Frank
Vortrag
2017Design and layout of an energy autarkic wireless sensor network in underground metro tunnels
Kempf, Scott; Schnelle, Niklas; Vincke, Jonah; Schäfer, Frank
Konferenzbeitrag
2017High-speed optical tracking of individual ejecta particles from hypervelocity impacts
Kortmann, Lukas; Watson, Erkai; Ebert, Matthias; Schäfer, Frank; Gulde, Max
Konferenzbeitrag
2017An MWIR payload with FPGA-based data processing for a 12U nanosatellite
Horch, Clemens; Schnelle, Niklas; Gulde, Max; Watson, Erkai; Schimmerohn, Martin; Schäfer, Frank
Konferenzbeitrag
2017Ultra-low power sensor system for disaster event detection in metro tunnel systems
Vincke, Jonah; Kempf, Scott; Schnelle, Niklas; Horch, Clemens; Schäfer, Frank
Zeitschriftenaufsatz
2016Asteroid deflection using a kinetic impactor: Insights from hypervelocity impact experiments
Hoerth, T.; Schäfer, F.
Abstract
2016Concept for a new light-gas gun type hypervelocity accelerator
Putzar, R.; Schäfer, F.
Zeitschriftenaufsatz
2016Cryogenic 50-nm mHEMT MMIC LNA for 67-116 GHz with 34 K noise temperature
Kotiranta, M.; Türk, S.; Schäfer, F.; Leuther, A.; Goliasch, J.; Massler, H.; Schlechtweg, M.
Konferenzbeitrag
2016Experimental cratering into layered targets. Memin experiments with maggia gneiss
Poelchau, M.H.; Winkler, R.; Schäfer, F.; Kenkmann, T.
Abstract
2016Fast and flexible space debris risk assessment for satellites
Gulde, Max; Kempf, Scott; Schäfer, Frank
Zeitschriftenaufsatz
2016SenSE4Metro: A bi-national multi-disciplinary project for monitoring underground metro environments in disaster events
Kempf, S.; Schäfer, F.; Sitharam, G.; Kleist, P.; Gräfling, W.; Ferguson, N.; Stuchtey, T.; Chakraborty, T.; Matsagar, V.; Gebbeken, N.
Konferenzbeitrag
2016Simplified S/C vulnerability assessments at component level in early design phase at ESA's CDF
Kempf, S.; Schäfer, F.; Cardone, T.; Ferreira, I; Gerene, S.; Destefanis, R.; Grassi, L.
Konferenzbeitrag
2016Simplified spacecraft vulnerability assessments at component level in early design phase at the European Space Agency's concurrent design facility
Kempf, S.; Schäfer, F.; Cardone, T.; Ferreira, I.; Gerené, S.; Destefanis, R.; Grassi, L.
Zeitschriftenaufsatz
2016Stability investigation of large gate-width metamorphic high electron-mobility transistors at cryogenic temperature
Moschetti, G.; Thome, F.; Ohlrogge, M.; Goliasch, J.; Schäfer, F.; Aja, B.; Leuther, A.; Schlechtweg, M.; Seelmann-Eggebert, M.; Ambacher, O.; Wieching, G.; Kotiranta, M.
Zeitschriftenaufsatz
2016Structural and erosive effects of lightning on sandstone: An experimental investigation
Haddad, Houssam; Ebert, Matthias; Kenkmann, Thomas; Thoma, Klaus; Nau, Siegfried; Schäfer, Frank
Abstract
2016Subsurface deformation of experimental hypervolcity impacts in nonporous targets
Winkler, R.; Poelchau, M.H.; Schäfer, F.; Kenkmann, T.
Abstract
2015Distributed fiber optical sensing inside the foundation slab of a high-rise building
Horch, C.; Hupfer, J.; Schäfer, F.
Konferenzbeitrag
2015EMI's TwinGun - concept for a new light-gas gun type hypervelocity accelerator
Putzar, R.; Schäfer, F.
Zeitschriftenaufsatz, Konferenzbeitrag
2015High level software development for a stand-alone data processing and storage unit for a microsatellite hyperspectral payload
Horch, C.; Domse, N.; Schäfer, F.; Buhl, M.
Konferenzbeitrag
2015Momentum transfer in hypervelocity impact experiments on rock targets
Hoerth, T.; Schäfer, F.; Hupfer, J.; Millon, O.; Wickert, M.
Zeitschriftenaufsatz, Konferenzbeitrag
2015NEOSHIELD - A global approach to near-earth object impact threat mitigation
Drube, L.; Harris, A.W.; Hoerth, T.; Michel, P.; Perna, D.; Schäfer, F.
Aufsatz in Buch
2015Reconfigurable cryptographic subsystem for Cubesats
Domse, N.; Weber, M.; Schäfer, F.
Konferenzbeitrag
2015Short and long term efficiencies of debris risk reduction measures: Application to a European LEO mission
Lang, T.; Kervarc, R.; Bertrand, S.; Carle, P.; Donath, T.; Destefanis, R.; Grassi, L.; Tiboldo, F.; Schäfer, F.; Kempf, S.; Gelhaus, J.
Zeitschriftenaufsatz
2015Subsurface deformation in hypervelocity cratering experiments into high-porosity tuffs
Winkler, R.; Poelchau, M.H.; Moser, S.; Hoerth, T.; Schäfer, F.; Kenkmann, T.
Abstract
2014A combined sensor data management system for structural health monitoring and building safety and security
Horch, C.; Schäfer, F.
Konferenzbeitrag
2014Cryogenic low noise amplifier development for 67-116 GHz
Kotiranta, M.; Bruch, D.; Leuther, A.; Massler, H.; Seelmann-Eggebert, M.; Schlechtweg, M.; Ambacher, O.; Türk, S.; Goliasch, J.; Schäfer, F.
Konferenzbeitrag
2014Electrical signatures of hypervelocity impact plasma with applications in in-situ particle detection
Rudolph, Martin; Schimmerohn, Martin; Osterholz, Jens; Schäfer, Frank
Zeitschriftenaufsatz, Konferenzbeitrag
2014Energieautarkes Funksensornetzwerk zur Erhöhung der Sicherheit in Bahntunnels bei terroristischen Anschlägen mit Sprengstoffen
Schäfer, F.; Stolz, A.; Reindl, L.; Thoma, K.
Zeitschriftenaufsatz
2014Impact cratering experiments into quartzite, sandstone and tuff: The effects of projectile size and target properties on spallation
Poelchau, M.; Kenkmann, T.; Hoerth, T.; Schäfer, F.; Rudolf, M.; Thoma, K.
Zeitschriftenaufsatz
2014Impulstransfermessungen bei Einschlägen von Projektilen im Hypervelocitybereich
Schäfer, G.; Haas, D.; Schäfer, F.
Konferenzbeitrag
2014In situ measurements of impact-induced pressure waves in sandstone targets
Hoerth, T.; Schäfer, F.; Nau, S.; Kuder, J.; Poelchau, M.; Thoma, K.; Kenkmann, T.
Zeitschriftenaufsatz
2014Modellversuche zur Untersuchung des Impulstransfers durch Impakt unterschiedlicher Projektilgeometrien auf asteroidenähnliche Materialien
Reichenbach, N.; Hupfer, J.; Hoerth, T.; Schäfer, F.
Konferenzbeitrag
2014Satellite vulnerability to space debris - an improved 3D risk assessment methodology
Grassi, Lilith; Tiboldo, Francesca; Destefanis, Roberto; Donath, Thérèse; Winterboer, Arne; Evans, Leanne; Janovsky, Rolf; Kempf, Scott; Rudolph, Martin; Schäfer, Frank; Gelhaus, Johannes
Zeitschriftenaufsatz
2014Susceptibility of solar arrays to micrometeroid and space debris impact
Schimmerohn, M.; Rott, M.; Gerhard, A.; Schäfer, F.; D'Accolti, G.
Konferenzbeitrag
2013Automatisierte Informationsgewinnung und Schutz kritischer Infrastruktur im Katastrophenfall (AISIS)
Millon, Oliver; Schäfer, Frank; Stolz, Alexander; Riedel, Werner
Bericht
2013Computational methodology to predict satellite system-level effects from impacts of untrackable space debris
Welty, N.; Rudolph, M.; Schäfer, F.; Apeldoorn, J.; Janovsky, R.
Zeitschriftenaufsatz
2013Crater morphology in sandstone targets: The MEMIN impact parameter study
Dufresne, A.; Poelchau, M.H.; Kenkmann, T.; Deutsch, A.; Hoerth, T.; Schäfer, F.; Thoma, K.
Zeitschriftenaufsatz
2013Deformation and melting of steel projectiles in hypervelocity cratering experiments
Kenkmann, T.; Trullenque, G.; Deutsch, A.; Hecht, L.; Ebert, M.; Salge, T.; Schäfer, F.; Thoma, K.
Zeitschriftenaufsatz