Auflistung nach Schlagwort "Systems analysis"

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  • Analysis and Design of Fuel Cell Systems for Aviation 
    Kadyk, Thomas; Winnefeld, Christopher; Hanke-Rauschenbach, Richard; Krewer, Ulrike (Basel : MDPI AG, 2018)
    In this paper, the design of fuel cells for the main energy supply of passenger transportation aircraft is discussed. Using a physical model of a fuel cell, general design considerations are derived. Considering different ...
  • Direct in situ GDD measurement in optical coating process 
    Schlichting, S.; Willemsen, Thomas; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    In the presented work a fast frequency domain measurement system to determine group delay (GD) and group delay dispersion (GDD) of optical coatings is proposed. The measurements are performed in situ directly on moving ...
  • Evaluating the influence of requirements in fuel cell system design using Design Requirement Maps 
    Fladung, Alexander; Scholz, Hannes; Berger, Oliver; Hanke-Rauschenbach, Richard (Weinheim : Wiley-VCH, 2021)
    Finding a combination of design variables for an optimized design target is the main aspect in fuel cell system design. Beside that, it has to be ensured that all requirements, on component and vehicle level, are met. Using ...
  • Low Delay Filter Banks with Perfect Reconstruction 
    Schuller, Gerald (Berlin : De Gruyter, 1996)
    The design of modulated filter banks with a low system delay and with perfect reconstruction will be shown. The filter lengths K can be chosen arbitrarily. The well known orthogonal filter banks have a system delay of K - ...
  • Multiple scale modeling of Al2O3 thin film growth in an ion beam sputtering process 
    Turowski, Marcus; Jupé, Marco; Melzig, Thomas; Pflug, Andreas; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    A multiple scale model approach is presented in order to investigate Al2O3 thin film growth in the framework of an existing Ion Beam Sputtering (IBS) coating process. Therefore, several simulation techniques are combined ...
  • Optimization of novel phase separating IBS process 
    Jupé, Marco; Willemsen, Thomas; Malobabic, Sina; Schuba, Kornelia; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    During the last years, optical low loss components gained more and more industrial interest and led to novel approaches for the production in optical coating technology. The application of filtered deposition technologies ...
  • Precise fabrication of ultra violet dielectric dispersion compensating mirrors 
    Willemsen, Thomas; Schlichting, S.; Kellermann, T.; Jupé, Marco; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    The present contribution is concentrated on an improved method to manufacture dielectric dispersion compensating mirrors in the ultra violet (UV) range by applying a novel online phase monitoring device. This newly developed ...
  • Simulation in thin film technology 
    Turowski, Marcus; Jupé, Marco; Ehlers, Henrik; Melzig, Thomas; Pflug, Andreas; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    Simulation and modeling find more and more their way into thin film technology. Beside theoretical models for layer design, pre-production design analysis, and real time process control, atomistic simulation techniques ...