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Response of vibration-isolated object to ground motions with intense vertical accelerations [PDF]
Engineering Structures, 2011 This paper reports the results of shaking table tests performed to assess the response of an object placed on a vibration isolator to intense ground motions whose peak accelerations are close to or over the gravity acceleration in both vertical and ...
Yoshikazu Araki +2 more
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Reduction of vertical acceleration bridge structure
Bulletin of Siberian State University of Transport, 2022The increase in the speed of trains is associated with the problem of increasing dynamic reactions of railway bridges and, consequently, the risk of resonant phenomena. The deployment of a high-speed railway network increases the need for innovative construction solutions for new bridges and cost-effective methods for upgrading existing routes ...
S. P. Glushkov +2 more
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Incorporating Vertical Acceleration for Defining Driving Behaviour
International Journal of Information Retrieval Research, 2019Acceleration of a vehicle is composed of three components: longitudinal, lateral, and vertical acceleration. Longitudinal and lateral accelerations have been frequently considered as components for investigating driving behaviour, with the aim of improving road safety.
Eboli, Laura +2 more
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Measurements of the Vertical Acceleration in Wind Waves
Journal of Physical Oceanography, 1987Abstract Recent theoretical studies of the accelerations in regular gravity waves of finite steepness have shown striking differences between the Eulerian and the Lagrangian accelerations (those measured by fixed instruments or freely floating instruments, respectively). In the present paper, attention is directed to field observations of accelerations
J. A. Ewing +2 more
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Vertical (Z-axis) acceleration alters the ocular response to linear acceleration in the rabbit
Experimental Brain Research, 2007Whether ocular orientation to gravity is produced solely by linear acceleration in the horizontal plane of the head or depends on both horizontal and vertical components of the acceleration of gravity is controversial. Here, we compared orienting eye movements of rabbits during head tilt to those produced by centrifugation that generated centripetal ...
Jun, Maruta +3 more
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vertical linear acceleration (otolithic‐ocular responses).
The Laryngoscope, 1974AbstractA 60‐foot vertical linear acceleration device was used to present linear acceleration forces to test animals within a light sealed capsule. Two types of stimuli were used: !1. constant direction of force with rectilinear alterations of the acceleration rate (0 G and 2 G); and 2.
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Vertical Accelerations and Surge on a Planing Hull
SNAME Chesapeake Power Boat Symposium, 2016High-speed planing craft continue to increase in popularity. These craft experience high accelerations when operating at high speeds, even in relatively minor wave conditions. In the United States Navy, planing craft often operate at high speeds to accommodate mission needs, such as insertion of Special Forces into hostile areas.
David Tauber, Carolyn Judge
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Accelerators with a vertically increasing field
Journal of Nuclear Energy. Part C, Plasma Physics, Accelerators, Thermonuclear Research, 1963This paper gives a short description of some of the properties of accelerators having a vertically increasing field. A discussion is given of the requirements which must be met for optimum acceleration, as well as questions dealing with the existence of equilibrium orbits, the stability of betatron oscillations and the particle acceleration process in ...
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Subjective Detection Of Vertical Acceleration: A Velocity-Dependent Response?
Acta Oto-Laryngologica, 1978Human subjective thresholds and directional sensitivity were investigated as a function of vertical linear acceleration with head erect. A hyperbolic (r=0.94) relation emerged between threshold latency and acceleration magnitude (range 0.005 to 0.06 g).
G M, Jones, L R, Young
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Hydrodynamic modeling of vertical accelerating gas–solid flow
Powder Technology, 1997The one-dimensional model of accelerating turbulent gas-solids dilute phase flow of coarse particles is formulated and experimentally verified by measuring the pressure distribution along the transport tube. The theoretical basis of the model is the continuity and momentum equations for the fluid and particle phases of Nakamura and Capes (Can. J. Chem.
Ž.B. Grbavčić +3 more
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