Results 11 to 20 of about 455 (176)

Dense Crowd Dynamics and Pedestrian Trajectories: A Multiscale Field Dataset from the Festival of Lights in Lyon [PDF]

open access: yesScientific Data
The dynamics of dense crowds have received considerable attention from researchers seeking fundamental understanding or aiming to develop data-driven algorithms to predict pedestrian trajectories. However, current research mainly relies on data collected
Oscar Dufour   +7 more
doaj   +2 more sources

Comparison of sEMG Onset Detection Methods for Occupational Exoskeletons on Extensive Close-to-Application Data [PDF]

open access: yesBioengineering
The design of human-machine interfaces of occupational exoskeletons is essential for their successful application, but at the same time demanding. In terms of information gain, biosensoric methods such as surface electromyography (sEMG) can help to ...
Stefan Kreipe   +4 more
doaj   +2 more sources

Microfluidic Droplet Generation Enabled by a Pressure Barrier Mechanism

open access: yesEngineering Reports
Microfluidic droplet generation enables the rapid and efficient production of large quantities of droplets to be used in various fields such as medical science and biology.
Mostafa Shojaeian, Ali Koşar
doaj   +2 more sources

Maschinenbau — Strategische Herausforderungen prae, propter et post Corona [PDF]

open access: yesWirtschaftsdienst, 2020
Johannes Gernandt   +2 more
doaj   +2 more sources

Characterization of an Antagonistic Actuation System with Nonlinear Compliance for an Upper-Arm Exoskeleton

open access: yesActuators, 2023
The parallel connection of technical and biological systems with a comparable mechanical behavior offers the possibility of reducing the interaction forces between those systems.
Max Jäger   +4 more
doaj   +1 more source

Generation of high order geometry representations in Octree meshes [PDF]

open access: yesPeerJ Computer Science, 2015
We propose a robust method to convert triangulated surface data into polynomial volume data. Such polynomial representations are required for high-order partial differential solvers, as low-order surface representations would diminish the accuracy of ...
Harald G. Klimach   +2 more
doaj   +2 more sources

Dynamic Process Simulation of a Molten-Salt Energy Storage System

open access: yesApplied Sciences, 2021
The main objective of this work was the construction of a numerical model using Advanced Process Simulation Software to represent the dynamic behaviour of a thermal storage system (TSS).
Wisam Abed Kattea Al-Maliki   +3 more
doaj   +1 more source

Is Phenylnitrene a Missing Link in the Formation of Polycyclic Aromatic Nitrogen Heterocycles? [PDF]

open access: yesAngew Chem Int Ed Engl
A new formation pathway for polycyclic aromatic nitrogen heterocycles (PANHs) has been found. The reaction of phenylnitrene and the propargyl radical leads to quinoline, proving that nitrenes are suitable precursors for nitrogen incorporation mechanisms.
Arns R   +6 more
europepmc   +2 more sources

Manipulation and control of droplets on surfaces in a homogeneous electric field

open access: yesNature Communications, 2022
Control of droplet coalescence is a major challenge of droplet microfluidics. Here, the authors show that homogenous external electric field can induce dipoles inside droplets, which can be used to withdraw samples from an array of droplets.
Johannes Hartmann   +2 more
doaj   +1 more source

Manipulation of single sub-femtolitre droplets via partial coalescence in a direct-current electric field

open access: yesFlow, 2021
It is demonstrated how aqueous droplets with volumes down to the sub-femtolitre range can be manipulated, including the withdrawal of minute samples from the droplets.
Mostafa Shojaeian, Steffen Hardt
doaj   +1 more source

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