Results 21 to 30 of about 351,466 (302)
Electromagnetic analysis and detent force minimization of a linear vernier motor
Energy Reports, 2023 This paper proposes a new dual-sided linear permanent magnet vernier motor (LPMVM). The advantages of high thrust density, low thrust ripple, positive force elimination and structural stability are introduced in detail.
Yi Shao +7 more
doaj +1 more source
Analysis and design optimization of an improved axially magnetized tubular permanent-magnet machine [PDF]
, 2004 This paper describes the analysis and design optimization of an improved axially magnetized tubular permanent-magnet machine. Compared with a conventional axially magnetized tubular machine, it has a higher specific force capability and requires less ...
Howe, D., Jewell, G.W., Wang, J.B.
core +1 more source
Design and qnalysis of a novel linear transverse flux permanent magnet motor using HTS magnetic shielding [PDF]
, 2010 In this paper, a novel linear transverse flux permanent magnet (TFPM) motor is proposed, which can offer higher thrust force, lower cogging force and easier manufacturing than its counterpart. The key is to propose a new C-shaped TFPM motor topology with
Chau, KT, Li, W
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Effect of the number of blades and solidity on the performance of a vertical axis wind turbine [PDF]
, 2016 Two, three and four bladed phgr-shape Vertical Axis Wind Turbines are simulated using a free-wake vortex model. Two versions of the three and four bladed turbines are considered, one having the same chord length as the two-bladed turbine and the other ...
Delafin, Pierre-Luc +3 more
core +4 more sources
Characterization of electrode charges and forces in an electrohydrodynamic thruster
AIP Advances, 2022 Corona discharge generates an electrohydrodynamic (EHD) flow and a reactive thrust between electrodes in the air. Although the theory for this thrust between two electrodes has been thoroughly developed, the mechanism responsible for the reactive forces ...
Chul Kim, Seongwon Lee, Hyeon Gi Lee
doaj +1 more source
A MEMS-based solid propellant microthruster array for space and military applications [PDF]
, 2015 Since combustion is an easy way to achieve large quantities of energy from a small volume, we developed a MEMS based solid propellant microthruster array for small spacecraft and micro-air-vehicle applications.
Chaalane, A +9 more
core +2 more sources
IEEE Access, 2019 Permanent magnet linear motors (PMLM) have gained increased popularities in a wide range of applications. However, they generally suffer from considerably lower force densities.
Qian Wang +4 more
doaj +1 more source
A kinetic comparison of back-loading and head-loading in Xhosa women [PDF]
, 2011 The purpose of this study was to compare the kinetic responses associated with ground reaction force measurements to both head-loading and back-loading in a group of Xhosa women. Altogether, 16 women were divided into two groups based on their experience
Cooke, Carlton +3 more
core +3 more sources
Energies, 2022 Double-sided permanent magnet linear synchronous machine with 120° phase belt toroidal windings (120°-TWDSPMLSM) suffers from large detent force due to the end effect and slot effect.
Jikai Si +4 more
doaj +1 more source
Morphological diversity of medusan lineages constrained by animal–fluid interactions [PDF]
, 2007 Cnidarian medusae, commonly known as jellyfish, represent the earliest known animal taxa to achieve locomotion using muscle power. Propulsion by medusae requires the force of bell contraction to generate forward thrust.
Colin, Sean P. +2 more
core +2 more sources