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4 results for “electrohydrodynamics”
Data for "Diversity of Non-Equilibrium Patterns and Emergence of Activity in Confined Electrohydrodynamically Driven Liquids"
<p>Raw data (microscopy videos and image sequences) and scripts used for the analysis for the publication "Diversity of Non-Equilibrium Patterns and Emergence of Activity in Confined Electrohydrodynamically Driven Liquids", Science Advances 7 (38), eabh1642</p>
A laser-microfabricated electrohydrodynamic thruster forcentimeter-scale aerial robots
<p>To date, insect scale robots capable of controlled flight have used flapping wings for generating lift, but this requires a complex and failure-prone mechanism. A simpler alternative is electrohydrodynamic (EHD) thrust, which requires no moving mechanical parts. In EHD, corona discharge generates a flow of ions in an electric field between two electrodes; the high-velocity ions transfer their kinetic energy to neutral air molecules through collisions, accelerating the gas and creating thrust. We introduce a fabrication process for EHD thruster based on 355 nm laser micromachining and our approach allows for greater flexibility in materials selection. Our four-thruster device measures 1.8 * 2.5 cm and is composed of steel emitters and a lightweight carbon fiber mesh. The current and thrust characteristics of each individual thruster of the quad thruster is determined and agrees with Townsend relation. The mass of the quad thruster is 37 mg and the measured thrust is greater than its weight (362.6 µN). The robot is able to lift off at a voltage of 4.6 kV with a thrust to weight ratio of 1.38.</p>
Dataset for FNS project 'Stretchable Electrohydrodynamics'
<p>This deposit contains the dataset for the 'Stretchable Electrohydrodynamics' project funded by the Swiss National Science Foundation (FNS project IZLJZ2_183656).</p> <p>Please refer to the included readme files for a detailed description of the contents.</p> <p>This data set was published at the end of the FNS project. After the end of this project, we published a paper 'Fiber pumps for wearable fluidic systems' in <a href="https://www.science.org/doi/10.1126/science.ade8654">Science</a>. There is also a <a href="https://zenodo.org/record/7451722#.ZEDmvHZBwuU">data repository for that paper</a>, which contains all of the data in this repository as well as additional data, images and videos that could not be published at the time this repository was made public due to an embargo. </p>
A laser-microfabricated electrohydrodynamic thruster forcentimeter-scale aerial robots
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