Results 21 to 30 of about 5,234,588 (286)

Development and Analysis of a Multimaterial FDM 3D Printed Capacitive Accelerometer

open access: yesIEEE Access, 2023
Nowadays quick fabrication of mechanical spare and replacement has become more and more necessary. This is the main reason why rapid prototyping and additive manufacturing has spread in several fields, including sensor manufacturing.
Gianluca Barile   +3 more
doaj   +1 more source

In-line variable spreading of carbon fibre/thermoplastic pre-preg tapes for application in automatic tape placement

open access: yesMaterials & Design, 2020
This study investigates a device for in-line continuous spreading of carbon fibre/thermoplastic pre-preg tape for potential application in the Laser-Assisted Automatic Tape Placement (LATP) laminate manufacturing process.
Gearóid Clancy   +3 more
doaj   +1 more source

Changes in Thermal Properties of Printouts Made of PETG and PLA Doped with Copper After Electrocorrosive Ageing Process [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
The article presents the results of research on selected thermal, mechanical properties, as well as the microscopic structure of filaments and details made on a 3D printer in FDM technology.
J. Redutko, A. Kalwik, A. Szarek
doaj   +1 more source

THE PROBLEM OF ENSURING UNINTERRUPTED EXPLOITATION OF WELLS ON THE FIELDS AT THE LATE STAGE OF OPERATION

open access: yesВестник Северо-Кавказского федерального университета, 2022
The design of a ramjet wellhead choke, with automatic cleaning throttle channel, which can set in the axial channel of pipe at the wellhead. When the differential pressure increase, which occurs in the case of the axial channel nozzle clogging with ...
Yulianna O. Sizova   +2 more
doaj  

Recovering of the Membrane Profile of an Electrostatic Circular MEMS by a Three-Stage Lobatto Procedure: A Convergence Analysis in the Absence of Ghost Solutions

open access: yesMathematics, 2020
In this paper, a stable numerical approach for recovering the membrane profile of a 2D Micro-Electric-Mechanical-Systems (MEMS) is presented. Starting from a well-known 2D nonlinear second-order differential model for electrostatic circular membrane MEMS,
Mario Versaci   +2 more
doaj   +1 more source

A Differential Mechatronic Device: Design, Simulation and Experimental Results [PDF]

open access: yes, 2013
Differential mechanisms are widely studied in literature, from a theoretical viewpoint and for applicative reasons. A differential mechanism is a mechanical system with one or more output motions resulting from the combination of different input motions ...
MOSCATELLI, Davide   +2 more
core   +1 more source

Drosophila mechanical nociceptors preferentially sense localized poking

open access: yeseLife, 2022
Mechanical nociception is an evolutionarily conserved sensory process required for the survival of living organisms. Previous studies have revealed much about the neural circuits and sensory molecules in mechanical nociception, but the cellular ...
Zhen Liu   +6 more
doaj   +1 more source

The combined viscous semi-classical limit for a quantum hydrodynamic system with barrier potential [PDF]

open access: yes, 2014
We investigate the viscous model of quantum hydrodynamics, which describes the charge transport in a certain semiconductor. Quantum mechanical effects lead to third order derivatives, turning the stationary system into an elliptic system of mixed order ...
Dreher, Michael, Schnur, Johannes
core   +1 more source

Mechanical versus manual chest compression for out-of-hospital cardiac arrest (PARAMEDIC) : a pragmatic, cluster randomised controlled trial [PDF]

open access: yes, 2014
Background: Mechanical chest compression devices have the potential to help maintain high-quality cardiopulmonary resuscitation (CPR), but despite their increasing use, little evidence exists for their effectiveness.
Cooke, MW   +47 more
core   +1 more source

Integrated circuitry for controlling analysis of a fluid [PDF]

open access: yes, 2005
Circuitry for processing signals used to determining characteristics of a fluid under-test is provided. The circuitry includes a compensation device and integrated circuitry for interfacing with a tuning fork that is capable of being in contact with the ...
Gammer, Vladimir   +3 more
core   +4 more sources

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