Results 41 to 50 of about 2,323,028 (381)
Numerical simulation of full-aperture-pair ion optics in a miniature ion thruster
, 2018 The 211-aperture-pair two-grid ion optics of a miniature ion thruster is numerically simulated. Since the plasma in the miniature ion thruster is too inhomogeneous to introduce mirror or translational boundary conditions between apertures, all the ...
M. Nakano +5 more
semanticscholar +1 more source
Numerical Analysis of a Miniature Microwave-discharge Ion Thruster Using Water as the Propellant
, 2018 We have conducted three-dimensional particle-in-cell simulations with Monte Carlo collisions method (PIC/MCC) to investigate the discharge characteristics of water for a microwave-discharge ion thruster, which can replace a high-pressure gas storage ...
Kengo Nakamura +3 more
semanticscholar +1 more source
Simplified Optimization of the Magnetic Configuration of HEMP-Thrusters
Applied Sciences, 2023 One type of ion thruster that has gained attention in recent years is the High Efficiency Multistage Plasma (HEMP) thruster. Optimizing the performance of these thrusters can be challenging due to the complexity of the underlying physics.
Lars Lewerentz, Ralf Schneider
doaj +1 more source
Exploring lipid diversity and minimalism to define membrane requirements for synthetic cells
FEBS Letters, EarlyView.Designing the lipid membrane of synthetic cells is a complex task, in which its various roles (among them solute transport, membrane protein support, and self‐replication) should all be integrated. In this review, we report the latest top‐down and bottom‐up advances and discuss compatibility and complexity issues of current engineering approaches ...
Sergiy Gan +2 more
wiley +1 more source
An integrated fluid simulation platform on Hall thruster plasmas
AIP Advances, 2022 In this work, a newly integrated fluid simulation platform, named DUT-HTFS, is developed for the multiple physical fields in Hall thrusters. The integrated simulation platform includes three inter-related parts: the geometry module, background magnetic ...
Nannan Li +3 more
doaj +1 more source
Advanced Biology, EarlyView.The unrolling of the peltate leaves in Syngonium podophyllum is analyzed and quantified (left‐hand side to center). These measurements serve to verify a mathematical model for leaf unrolling based on the model used in Schmidt (2007). An additional formula for obtaining a layer mismatch from a prescribed radius is derived.
Michelle Modert +4 more
wiley +1 more source
Aerospace, 2023 This paper presents the development, analysis, and performance evaluation of a novel transversal-feed Electron Cyclotron Resonance Plasma Thruster (ECRPT).
Yajie Han +5 more
doaj +1 more source
Molecular propellants for ion thrusters
Plasma Sources Science and Technology, 2019 Abstract There is no ideal atomic propellant for ion thrusters. Xenon commonly used as propellant becomes resource-critical in light of electric propulsion commercialization. Combining these considerations leads to seeking alternatives to xenon as propellant.
Patrick Dietz +7 more
openaire +2 more sources
Sputtering Holes with Ion Beamlets [PDF]
, 1974 Ion beamlets of predetermined configurations are formed by shaped apertures in the screen grid of an ion thruster having a double grid accelerator system. A plate is placed downstream from the screen grid holes and attached to the accelerator grid.
Banks, B. A., Byers, D. C.
core +1 more source
2018 Joint Propulsion Conference, 2018 Accelerator (accel) grid sputtering by ions formed through charge-exchange (CEX) reactions between beam ions and residual neutral gas is a critical life-limiting mechanism for gridded ion thrusters. The three-dimensional ion optics code CEX3D is designed
V. Chaplin +6 more
semanticscholar +1 more source