Results 31 to 40 of about 67,287 (298)
Research on the influence of pre-ionization initial plasma density on the thrust performance of magnetic reconnection electric propulsion [PDF]
AIP AdvancesMagnetic reconnection space electric propulsion is a new type of advanced space power technology with a power level of hundreds of kilowatts and above, and it has broad application prospects in deep space exploration, space cargo transportation, and ...
Wenjing Li +5 more
doaj +1 more source
Impulse Correlation for Partially Filled Detonation Tubes [PDF]
, 2004 The effect of nozzles on the impulse obtained from a detonation tube of circular cross section has been the focus of many experimental and numerical studies. In these cases, the simplified detonation tube is closed at one end (forming the thrust surface)
Cooper, M., Schauer, F., Shepherd, J. E.
core +1 more source
Propulsion Mechanisms in Magnetic Microrobotics: From Single Microrobots to Swarms
MicromachinesMicrorobots with different structures can exhibit multiple propulsion mechanisms under external magnetic fields. Swarms dynamically assembled by microrobots inherit the advantages of single microrobots, such as degradability and small dimensions, while ...
Lanlan Jia +5 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat +6 more
wiley +1 more source
Aerospace, 2023 Since the invention of rockets, mankind has been constantly trying to explore the universe. It was not until the beginning of the last century that electric propulsion technology was introduced.
Yifan Du +8 more
doaj +1 more source
The role of symmetry in driven propulsion at low Reynolds number
, 2018 We theoretically and experimentally investigate low-Reynolds-number propulsion of geometrically achiral planar objects that possess a dipole moment and that are driven by a rotating magnetic field. Symmetry considerations (involving parity, $\widehat{P}$,
Fischer, Peer +6 more
core +1 more source
Elinvar Materials: Recent Progress and Challenges
Advanced Engineering Materials, EarlyView.Elinvar materials, exhibiting temperature‐invariant elastic modulus, are critical for precision instruments and emerging technologies. This article reviews recent progress in the field, with a focus on the anomalous thermoelastic behavior observed in key material systems.
Wenjie Li, Yang Ren
wiley +1 more source
Dynamics of a linear magnetic "microswimmer molecule"
, 2015 In analogy to nanoscopic molecules that are composed of individual atoms, we consider an active "microswimmer molecule". It is built up from three individual magnetic colloidal microswimmers that are connected by harmonic springs and hydrodynamically ...
Babel, Sonja +2 more
core +1 more source
3D‐Printed Giant Magnetoresistive (GMR) Sensors Based on Self Compliant Springs
Advanced Engineering Materials, EarlyView.This work explores 3D‐printed GMR sensors utilizing self‐compliant spring structures and conductive PLA composites. By optimizing arm width, we achieved high piezoresistive (0.34%/mm) and magnetoresistive (0.77%/mT) sensitivities. Demonstrated through Bluetooth‐integrated pressure and magnetic position sensing, these full printed low‐cost, customizable
Josu Fernández Maestu +4 more
wiley +1 more source
Modeling and Swimming Property Characterizations of Scaled-Up Helical Microswimmers.
, 2014 International audienceMicro- and nanorobots capable of controlled propulsion at low Reynolds number are foreseen to change many aspects of medicine by enabling targeted diagnosis and therapy, and minimally invasive surgery.
Andreff, Nicolas +3 more
core +2 more sources