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The Reynolds number has great influence on the provided lift and requested power of a cycloidal rotor. The aim of the present paper is to determine lift, power and efficiencyof a three bladed cycloidal rotor in relation to the Reynolds number. The investigated range of Re...
Mit dem Ziel, nationale und internationale Fachleute unterschiedlicher Disziplinen der Produktentwicklung aus Industrie und Wissenschaft in den Dialog zu bringen, organisiert der Verein zur Förderung produktionstechnischer Forschung e.V. und das Fraunhofer IAO gemeinsam mit dem Institut für Konstruktionstechnik...
Partitioned simulation or co-simulation allows to simulate complex systems by breaking them into smaller, independent subsystems. The Functional Mock-Up Interface FMI enables co-simulation by defining a framework for simulation models. Models adhering to the standard interface (FMUs) are executed and&...
Im Jahr 2015 haben 194 Länder und die Europäische Union im Pariser Klimaabkommen vereinbart, die Erderwärmung auf 1,5 °C zu beschränken. Um dies zu erreichen, müssen unter anderem alle produzierenden Industrien eine erhebliche Transformation umsetzen, um Produktion und Produkte nachhaltiger zu...
Using microfluidics, we were able to synthesize monodisperse water-in-monomer emulsions with styrene and divinylbenzene (DVB) as monomers. When polymerizing and drying these emulsions, we found that the structure of the resulting macroporous polymer strongly depends on the type of initiator. With...
We present a novel approach for characterizing the properties and performance of active matter in dilute suspension as well as in crowded environments. We use Super-Heterodyne Laser-Doppler-Velocimetry (SH-LDV) to study large ensembles of catalytically active Janus particles moving under UV illum...
The paper presents post-mortem analysis of commercial LiFePO4 battery cells, which are aged at 55 °C and - 20 °C using dynamic current profiles and different depth of discharges (DOD). Post-mortem analysis focuses on the structure of the electrodes using atomic force microscopy (AFM) and sca...
Is behaving politely towards others morally valuable? Or are manners merely conventional rules which make social interaction run more smoothly without fulfilling any deeper ethical role? Even though the ‘value of manners’ is far from a mainstream topic in contemporary philosophy, there ...
In travel demand modelling, trip distance distributions or trip time distributions are used to evaluate how well a model fits with observed sample data. Therefore, the comparison of distributions is an essential part in the model validation process. Despite its importance, the common...
In photonic integrated circuits grating couplers are commonly used to establish an efficient and stable fiber-to-chip link. However, the actual coupling efficiency of a fiber-to-chip interface depends strongly on the used wavelength and exhibits a maximum at a distinct target wavelength, det...
In this paper, we introduce a generalization of Lyapunov’s direct method for dynamical systems with fractional damping. Hereto, we embed such systems within the fundamental theory of functional differential equations with infinite delay and use the associated stability concept and known theo...
Sensitive millimeter wave diagnostics in magnetic confinement plasma fusion experiments need protection from gyrotron stray radiation in the plasma vessel. Modern electron cyclotron resonance heating (ECRH) systems take advantage of multi-frequency gyrotrons. This means that the frequency band of some...
A total of 11 bacterial strains capable of completely degrading 2-butoxyethanol (2-BE) were isolated from forest soil, a biotrickling filter, a bioscrubber, and activated sludge, and identified by 16S rRNA gene sequence analysis. Eight of these strains belong to the genus Pseudomonas; t...
This article considers one-dimensional random systems of hyperbolic conservation laws. Existence and uniqueness of random entropy admissible solutions for initial value problems of conservation laws, which involve random initial data and random flux functions, are established. Based on these results...
In this paper, the question of how the interpolation of precipitation in space by using various spatial gauge densities affects the rainfall-runoff model discharge if all other input variables are kept constant is investigated. The main focus was on the peak flows. This was do...
Conventionally, the transmission and the reception of signals in a particular wireless communication system is performed using the half-duplex method, wherein the transmitter and the receiver signals are either time-multiplexed or frequency-multiplexed. However, in case of an in-band full-duplex syste...
We investigate numerically the sound properties of disordered dense granular packings in two dimensions. Employing linear equations of motion and excluding contact changes from our simulations, we demonstrate time evolution of sinusoidal standing waves of granular disks. We varied the strength...
Chiral 2-hydroxycarboxylic acids and 2-hydroxycarboxamides are valuable synthons for the chemical industry. The biocatalytic syntheses of (R)-mandelic acid and (R)-mandelic acid amide by recombinant Escherichia coli clones were studied. Strains were constructed which simultaneously expressed a (R)-specific oxyn...
A novel multiple mapping conditioning (MMC) approach has been developed for the modelling of turbulent premixed flames including mixture inhomogeneities due to mixture stratification or mixing with the cold surroundings. MMC requires conditioning of a mixing operator on characteristic quantities ...
Low-dimensional organic conductors show a rich phase diagram, which has, despite all efforts, still some unexplored regions. Charge ordered phases present in many compounds of the (TMTTF)2X family are typically studied with their unique electronic properties in mind. An influence on the ...
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- 296 Effenberger, Franz
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- 183 Schweitzer, Dieter
- 163 Renn, Ortwin
- 144 Tiziani, Hans J.
- 137 Kull, Ulrich
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