Results 51 to 60 of about 340,780 (299)
Ball bearing versus magnetic bearing reaction and momentum wheels as momentum actuators [PDF]
, 1980 Different bearing technologies of momentum actuators for the attitude control of satellites are compared and a guideline for the selection of the suitable momentum actuators or momentum actuator configurations to meet given mission goals with high ...
Auer, W.
core +1 more source
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
3D Printing Solutions for Microfluidic Chip-To-World Connections
Micromachines, 2018 The connection of microfluidic devices to the outer world by tubes and wires is an underestimated issue. We present methods based on 3D printing to realize microfluidic chip holders with reliable fluidic and electric connections.
Sander van den Driesche +3 more
doaj +1 more source
COVID-19 Diagnostic Strategies Part II: Protein-Based Technologies
Bioengineering, 2021 After the initiation of the current outbreak, humans’ lives have been profoundly impacted by COVID-19. During the first months, no rapid and reliable detecting tool was readily available to sufficiently respond to the requirement of massive testing.
Tina Shaffaf, Ebrahim Ghafar-Zadeh
doaj +1 more source
Advanced Engineering Materials, EarlyView.This paper presents a novel approach to reducing oxide layers on metal powders using low‐temperature hydrogen dielectric barrier discharge plasmas at atmospheric pressure. Unlike conventional hydrogen‐plasma reductions, the powders do not contact the plasma directly.
Shukang Zhang +3 more
wiley +1 more source
Magnetic Sensors Based on Amorphous Ferromagnetic Materials: A Review
Sensors, 2015 Currently there are many types of sensors that are used in lots of applications. Among these, magnetic sensors are a good alternative for the detection and measurement of different phenomena because they are a “simple” and readily available technology ...
Carlos Morón +4 more
doaj +1 more source
Propellant-powered actuator for gas generators [PDF]
, 1972 Hydrazine operated monopropellant generators are used for spacecraft rocket engines and propellant pressurization systems.
Makowski, M. J.
core +1 more source
Advanced Engineering Materials, EarlyView.Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley +1 more source
ProceedingsThis paper presents novel vertical organic electrochemical transistors (vOECTs) with thin transistor channels grown by the electropolymerization of the electrically conductive polymer PEDOT:PSS. This new fabrication method avoids the need for the further
Andreas Schander +3 more
doaj +1 more source
MEMS-actuated wavelength drop filter based on microsphere whispering gallery modes [PDF]
, 2011 MEMS-enabled tuneable optical coupling between optical microsphere resonators and optical fibre waveguides is reported. We describe the design, fabrication and experimental characterization of a MEMS platform, based on electrothermal actuators, which ...
Blue, Robert +3 more
core +1 more source