Comb Drive Designs With Minimized Levitation

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This thesis is dedicated to the analysis of a subclass of interfacial flows, columnlike free-interface flows, from two view angles: (i) the symmetry breaking under geometry-induced or external forces, (ii) their stability against infinitesimal disturbances ...

There are various possibilities to realize coil winding designs for an inductive power transfer system. In order to achieve high power transfer efficiency and power density and explore trade-offs between the two, design optimization around the coil link is ...

The largest operating stellarator, Wendelstein 7-X, is of the quasi-isodynamic type. For this design to scale up to a fusion reactor, several criteria must be met, one of them being good fast ion confinement. The latter still has to be tested experimentall ...

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Dielectric elastomer transducers are elastic capacitors that respond to mechanical or electrical stress. They can be used in applications such as millimeter-sized soft robots and harvesters of the energy contained in ocean waves. The dielectric component o ...

Gyrotrons are a class of high-power vacuum-electronics microwave sources, which are envisioned to play an important role in the domain of magnetically confined fusion plasmas. Indeed, only gyrotrons are capable of producing continuous electromagnetic waves ...

Melt electrowriting is a microscale manufacturing technique that uses polymer-based melts to create fibrous structures. An electric field is used to stabilize a continuous molten jet, which is then written onto a substrate as a microscale fiber. Herein, it ...

The invention relates to a Method for operating a frequency agile tunable self-injection locking laser system being formed by a laser device coupled to at least one optical resonator, wherein a diode current of a laser diode of the laser device is controll ...

The understanding and manipulation of nanoscale analytes is a central theme in nanotechnology and has been one of the main driving forces behind the development of this field as we know it today. Furthermore, such a technology has the potential to also rev ...

A current generation type return stroke model which can take into account the possible modifications of the return stroke properties by the soil conductivity at the strike point of the lightning flash is introduced. The model is also capable of incorporati ...

Comb Drive Designs With Minimized Levitation

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Columnlike free-interface flows: symmetry breaking and linear instability

Modeling and Design Optimization of Loosely Coupled PCB Spiral Coils in Inductive Power Transfer Systems

Fast ion generation with ICRF waves and beams in the Wendelstein 7-X stellarator

Microgravity induces overconfidence in perceptual decision-making

Processing load, and not stimulus evidence, determines the duration of unconscious visual feature integration

From finger animation to full-body embodiment of avatars with different morphologies and proportions

Synthesis of polysiloxane elastomers modified with sulfonyl side groups and their electromechanical response

Modelling of nonneutral plasmas trapped by electric and magnetic fields relevant to gyrotron electron guns

Effects of Electrode Design on the Melt Electrowriting of Sinusoidal Structures

Method for operating a frequency agile tunable self-injection locking laser system and self-injection locking laser system

Low and high frequency electromagnetic forces: numerical modelling and practical applications

A Self-Consistent Return Stroke Model That Includes the Effect of the Ground Conductivity at the Strike Point