نتایج جستجو برای: coriolis forces

تعداد نتایج: 90856  

In this paper, classical thin shell theory is used to analyze vibration and critical speed of simply supported rotating orthotropic cylindrical shell. The effects of centrifugal and Coriolis forces due to the rotation are considered in the present for‌mulation.. In addition, axial load is applied on cylinder as a ratio of critical buckling load. Finally the effects of orthotropic ratio, materia...

2003
Thomas Foertsch Wolfgang Hasse Volker Perlick

Given, in an arbitrary spacetime (M, g), a 2-dimensional timelike submanifold Σ and an observer field n on Σ, we assign gravitational, centrifugal, Coriolis and Euler forces to every particle worldline λ in Σ with respect to n. We prove that centrifugal and Coriolis forces vanish, for all λ in Σ with respect to any n, if and only if Σ is a photon 2-surface, i.e., generated by two families of li...

Journal: :Neural Parallel & Scientific Comp. 2009
A. K. Lal Ankush Pathania C. Mohan

In this paper we propose suitable modifications in the concept of Roche equipotential to account for the effects of Coriolis force on its equipotential surface besides the usual effects of gravitational and centrifugal forces and use this in conjunction with Kippenhahn and Thomas, 1970 approach in a manner earlier used by Mohan et al, 1990 to incorporate the effects of Coriolis force in the equ...

2015
Krista M. Soderlund Andrey Sheyko Eric M. King Jonathan M. Aurnou

Fluid motions within planetary cores generate magnetic fields through dynamo action. These core processes are driven by thermo-compositional convection subject to the competing influences of rotation, which tends to organize the flow into axial columns, and the Lorentz force, which tends to inhibit the relative movement of the magnetic field and the fluid. It is often argued that these forces a...

Journal: :Trends in cognitive sciences 2000
J R Lackner P A DiZio

The representation of body orientation and configuration is dependent on multiple sources of afferent and efferent information about ongoing and intended patterns of movement and posture. Under normal terrestrial conditions, we feel virtually weightless and we do not perceive the actual forces associated with movement and support of our body. It is during exposure to unusual forces and patterns...

Journal: :نشریه دانشکده فنی 0
دکتر حسن رضائی دلفی

the ground state rotational bands of some rare earth nuclei show a rather strange behaviour at large values of angular momenta. the nuclear moment of inertia teta increases smoothly with angular momentum i up to i=12. then at about i=14 there is a sudden increase in the moment of inertia. the plot of teta versus the square of the angular velocity w gives a s-shaped curve. we attempt here to rep...

Journal: :Journal of neurophysiology 2000
P DiZio J R Lackner

Reaching movements made to visual targets in a rotating room are initially deviated in path and endpoint in the direction of transient Coriolis forces generated by the motion of the arm relative to the rotating environment. With additional reaches, movements become progressively straighter and more accurate. Such adaptation can occur even in the absence of visual feedback about movement progres...

Journal: :Physical review. E 2016
Suwun Suwunnarat Huanan Li Ragnar Fleischmann Tsampikos Kottos

We demonstrate that a three-terminal harmonic symmetric chain in the presence of a Coriolis force, produced by a rotating platform that is used to place the chain, can produce thermal rectification. The direction of heat flow is reconfigurable and controlled by the angular velocity Ω of the rotating platform. A simple three-terminal triangular lattice is used to demonstrate the proposed principle.

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