Results 1 to 10 of about 45,787 (116)

Evolution‐Guided Unidirectional Counter‐Clockwise Rotation for Nonretractable Screw‐in Lead Removal [PDF]

open access: yesJournal of Arrhythmia
Masatsugu Nozoe   +5 more
doaj   +2 more sources

Improving the Performance of an Innovative Centrifugal Pump through the Independent Rotation of an Inducer and Centrifugal Impeller Speeds

open access: yesEnergies, 2023
This article introduces an innovative design for a centrifugal pump featuring an inducer that enables the independent rotation of both the inducer and the centrifugal impeller.
Ehsan Dehnavi   +4 more
doaj   +1 more source

Limited Effects of Age on the Use of the Ankle and Counter-Rotation Mechanism in the Sagittal Plane

open access: yesCommunications in Kinesiology, 2023
During standing the center of mass (CoM) can be controlled relative to the base of support by applying ankle moments to shift the center of pressure (CoP mechanism).
Maud van den Bogaart   +4 more
doaj   +1 more source

Unstable inner cylinder whirl of concentric double rotating cylinder system

open access: yesMechanical Engineering Journal, 2022
This research investigated unstable inner cylinder whirl in a double rotating cylinder system in which the axis of the inner cylinder is supported elastically in the radial direction and the axis of the outer cylinder is fixed.
Fumitaka YOSHIZUMI, Masanori IRITANI
doaj   +1 more source

Unstable outer cylinder whirl of concentric double rotating cylinder system

open access: yesMechanical Engineering Journal, 2023
This research investigates unstable outer cylinder whirl in a double rotating cylinder system, with both co- and counter-rotation, in which the axis of the outer cylinder is supported elastically in the radial direction and the axis of the inner cylinder
Fumitaka YOSHIZUMI, Masanori IRITANI
doaj   +1 more source

Analysis of Cyperus esculentus–Soil Dynamic Behavior during Rotary Tillage Based on Discrete Element Method

open access: yesAgriculture, 2023
Considering the problems of low soil fragmentation rates, high working resistance, and high energy consumption in the harvesting process of Cyperus esculentus in China, a method of Cyperus esculentus harvesting based on counter-rotation digging is ...
Zhuang Zhao   +9 more
doaj   +1 more source

Protramax: A Novel Device for Directing Class III Orthopedic Force

open access: yesJournal of Indian Orthodontic Society, 2023
Facemask has been widely used in the successful correction of Class III malocclusion. A vast majority of the literature noted forward and a counter-clockwise rotation of the maxilla with facemask therapy.
Abhiram Cherukuri   +3 more
doaj   +1 more source

Applying collective motion models to study discordant individual behaviours within a school of fish

open access: yesRoyal Society Open Science, 2023
Computational models of collective motion successfully reproduce the most common behaviours of a school of fish, using only a few elementary interactions between individuals.
Andrea Trucco
doaj   +1 more source

On the Counter-Rotation of Closed Time-like Curves

open access: yesUniverse, 2022
While it is tempting to think of closed time-like curves (CTCs) around rotating bodies, such as a black hole, as being “caused” by the rotation of the source, Andréka et al.
Yuanyuan Duan   +3 more
doaj   +1 more source

Design procedure for a wind-wheel with self-adjusting blade mechanism

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
Developed is a wind-wheel design equipped with the self-adjusting blade. The blade is positioned eccentrically to the balance wheel and can freely rotate around its axis. Elaborated is the method of calculating the energy characteristics for a wind-wheel
Gennady A. Oborsky   +2 more
doaj   +7 more sources

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