1–20 of 61 hits
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    Satellite based ADS-B for Commercial Space Flight Operations

    Free access
    Schmitt, Dirk-Roger / Werner, Klaus / Morlang, Frank et al. | German Aerospace Center (DLR) | 2018
    on prevailing processes and flight safety standards for the integration of commercial space flight operations in the Air Traffic Management ...

    Telerobotic Operations with Time Delay, Results from the ISECG GAP Assesment Team

    Free access
    Wedler, Armin / Metcalfe, Laurie / Alfano, David et al. | German Aerospace Center (DLR) | 2018
    Working Group “Telerobotic Operations with Time Delay”, including the goal and objectives of the working team. It gives an overview of the ...

    Impact of ATC speed instructions on fuel consumption and noise exposure: an assessment of real operations in Zurich

    Free access
    Abdelmoula, Fethi / Roeser, Mathias Stefan / Kühne, Christoph Georg et al. | German Aerospace Center (DLR) | 2022
    DYNCAT (Dynamic Configuration Adjustment in the TMA) aims to highlight the impact of current approach operations on the environment based on all ...

    End-to-End Simulation of On-Orbit-Servicing: Technical implementation of communications

    Free access
    Weber, Daniel / Gnat, Marcin / Hauke, Armin et al. | German Aerospace Center (DLR) | 2018
    institutes. Contributors are the German Space Operations Center (GSOC), the Institute of Robotics and Mechatronics (RM) and the Institute of System ...

    Evaluation of on-site hydrogen generation via steam reforming of biodiesel: Process optimization and heat integration

    Free access
    Martin, Stefan / Albrecht, Friedemann Georg / van der Veer, Pieter et al. | German Aerospace Center (DLR) | 2016
    The present simulation study investigates on-site hydrogen generation (50 Nm3/h) via steam reforming of biodiesel. The system comprises a ...

    Modular Mechatronics Infrastructure for Robotic Planetary Exploration Assets in a Field Operation Scenario

    Free access
    Fonseca Prince, Andre / Vodermayer, Bernhard / Pleintinger, Benedikt et al. | German Aerospace Center (DLR) | 2022
    an analogue harsh environment and the confirmation of enhanced operations with the application of this modular method. Among the numerous ...
    Keywords: operations

    Life Cycle Assessment of Power-to-Liquid for Aviation: A Case Study of a Passenger Aircraft

    Free access
    Papantoni, Veatriki / Linke, Florian / Dahlmann, Katrin et al. | German Aerospace Center (DLR) | 2022
    The aviation sector is estimated to require a widespread deployment of sustainable fuels next to developments in aircraft technology and ...

    Aspects of yaw control design of an aircraft with distributed electric propulsion

    Free access
    Vechtel, Dennis / Buch, Jan-Philipp | German Aerospace Center (DLR) | 2022
    operations. This reduction in VTP size results in a reduction of the block fuel by about 4%. For the 12-engine aircraft, a 6-degrees-of-freedom ...

    A Method for SWIM-Compliant Human-in-the-Loop Simulation of Airport Air Traffic Management

    Free access
    Gräupl, Thomas / Mayr, Martin / Rokitansky, Carl-Herbert | German Aerospace Center (DLR) | 2016
    performance of a rule-based automatic controller against human controllers in a simulation of Hamburg airport operations. Our results demonstrate that ...

    Magnetic Properties of Asteroid (162173) Ryugu

    Free access
    Hercik, D. / Auster, H-U. / Constantinescu, D. et al. | German Aerospace Center (DLR) | 2020
    field of an asteroid during descent and on-surface operations. The new observations show that Ryugu, a low-albedo C-type asteroid, has no ...

    Impact of insect contamination on operational and economic effectiveness of aircraft with natural flow technology

    Free access
    Wicke, Kai / Kruse, Martin / Linke, Florian et al. | German Aerospace Center (DLR) | 2014
    -medium haul operations, i.e., aircraft similar to current state of the art 150 passenger seated aircraft. During the analysis process tools ...

    Economic impact and effectiveness of radiation protection measures in aviation during a ground level enhancement

    Free access
    Matthiä, Daniel / Schaefer, Martin / Meier, Matthias M. | German Aerospace Center (DLR) | 2015
    the mitigating measures. In this work we investigate in a case study of the ground level event of December 13th 2006 how potential mitigation ...
    Keywords: Aircraft operations

    Conservative integrals of adiabatic Durran’s equations

    Free access
    Smolarkiewicz, P.K. / Dörnbrack, A. | German Aerospace Center (DLR) | 2008
    Potential advances are investigated in the area of generalized anelastic approximations. Consistent control-volume integrals are designed ...

    An Efficient Indoor Wi-Fi Positioning Method Using Virtual Location of AP

    Free access
    Xu, Fan / Hu, Xuke / Luo, Shuaiwei et al. | German Aerospace Center (DLR) | 2020
    Wi-Fi fingerprinting has been widely used for indoor localization because of its good cost-effectiveness. However, it suffers from ...

    Simulation of a closed low-pressure honeycomb adsorber for thermal energy storage

    Free access
    Schäfer, Micha / Thess, André | German Aerospace Center (DLR) | 2018
    The efficient implementation of renewable energy sources necessitates thermal energy storages. For domestic as well as industrial ...

    Evaluation of dynamic modulus measurement for C/C‐SiC composites at different temperatures.

    Free access
    Hönig, Sandrine / Koch, Dietmar / Weber, Steffen et al. | German Aerospace Center (DLR) | 2019

    Methodological Approach for Reducing Computational Costs of Vehicle Frontal Crashworthiness Analysis by Using Simplified Structural Modelling

    Free access
    Schäffer, Michael / Sturm, Ralf / Friedrich, Horst E. | German Aerospace Center (DLR) | 2017
    A challenge in the design and optimisation of the vehicle front structures is the high computational costs required for crash analysis. A ...

    Surviving Mars: new insights into the persistence of facultative anaerobic microbes from analogue sites

    Free access
    Beblo-Vranesevic, Kristina / Piepjohn, J. / Antunes, A. et al. | German Aerospace Center (DLR) | 2022
    Mars analogue environments are some of the most extreme locations on Earth. Their unique combination of multiples extremes (e.g. high ...

    Impact of bed motion on the wall-to-bed heat transfer for powders in a rotary kiln and effect of built-ins

    Free access
    Moumin, Gkiokchan / Tescari, Stefania / Sattler, Christian | German Aerospace Center (DLR) | 2021
    This study analyses experimentally the heat transfer from the wall to the particle bed in a rotating drum with and without addition of ...

    One-dimensional model of a closed low-pressure adsorber for thermal energy storage

    Free access
    Schäfer, Micha / Thess, André | German Aerospace Center (DLR) | 2018
    The energy transition from fossil to renewable energy requires the development and integration of efficient energy storages. For thermal ...