Results 261 to 270 of about 7,456 (305)
Performance of a compact end-tidal forcing system
Respiratory Physiology & Neurobiology, 2009 The purpose of the present study was to develop and validate a new compact, portable end-tidal forcing (ETF) system capable of reliably controlling end-tidal gases. The system consists of compressed gas sources (air, N(2) and CO(2)) that are connected via three solenoid valves to a humidification chamber and an inspiratory reservoir bag from which the ...
Michael S, Koehle +4 more
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Tidal dynamics in palaeo‐seas in response to changes in physiography, tidal forcing and bed shear stress [PDF]
Sedimentology, 2022 Simulating hydrodynamic conditions in palaeo-ocean basins is needed to better understand the effects of tidal forcing on the sedimentary record. When combined with sedimentary analyses, hydrodynamic modelling can help inform complex temporal and spatial ...
Valentin Zuchuat +2 more
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Effect of tidal forcing on a subterranean estuary
Advances in Water Resources, 2007 Groundwater flow and chemical transport in subterranean estuaries are poorly understood despite their potentially important implications for chemical fluxes from aquifers to coastal waters.
Clare E Robinson, Ling Li, D A Barry
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Regional scale impact of tidal forcing on groundwater flow in unconfined coastal aquifers
Journal of Hydrology, 2014 This paper considers the impact of tidal forcing on regional groundwater flow in an unconfined coastal aquifer. Numerical models are used to quantify this impact for a wide range of hydrogeological conditions.
Gualbert H P Oude Essink +2 more
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GEOMETRICAL PROPERTIES OF ELECTROMAGNETIC TIDAL FORCES
International Journal of Modern Physics A, 2010In general, elementary particles as well as extensive bodies have internal degrees of freedom that naturally turn their trajectories into accelerated curves. Hence, we propose to describe the kinematical properties of nongeodesic congruences and study how tidal forces are modified.
Goulart, Érico, Falciano, Felipe Tovar
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American Journal of Physics, 1983
A tidal force pendulum is presented. Its period is calculated in three different ways: (a) by means of the spin equation, (b) using the Lagrangian formalism, and (c) by means of the equation for geodesic deviation. The period of the pendulum is independent of its length. It depends only upon the curvature of space-time at the position of the pendulum.
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A tidal force pendulum is presented. Its period is calculated in three different ways: (a) by means of the spin equation, (b) using the Lagrangian formalism, and (c) by means of the equation for geodesic deviation. The period of the pendulum is independent of its length. It depends only upon the curvature of space-time at the position of the pendulum.
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Geophysics, 1940
Abstract Observations of the tidal variation of gravity at Tulsa, Oklahoma, are presented for the period December 10 to December 16, 1939. A good correlation is found between observed and calculated values with the factor (1+h-3 k/2) = 1.2.
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Abstract Observations of the tidal variation of gravity at Tulsa, Oklahoma, are presented for the period December 10 to December 16, 1939. A good correlation is found between observed and calculated values with the factor (1+h-3 k/2) = 1.2.
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Tidal force from cosmic strings
Physical Review D, 1989We find the tidal force from the class of cosmic-string traveling waves of Vachaspati. The tidal force from a straight string vanishes. In contrast the tidal force from the curved strings treated here actually diverges as the string is approached. This tends to change the implications of a recent paper by Clarke, Ellis, and Vickers on the relation ...
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Relativistic Tidal Forces and the Possibility of Measuring Them.
Physical Review Letters, 1982The relativistic corrections to the Newtonian tidal accelerations generated by a rotating system are studied. The possibility of testing the relativistic theory of gravitation by measuring such effects in a laboratory in orbit around the Earth is considered.
Bahram Mashhoon, Dietmar S. Theiss
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On the tidal force of the Moon on the Earth
European Journal of Physics, 2005Here, first, the static formulation of tidal forces with completely spherical symmetry is reviewed (a differential calculus-based method is additionally introduced for readers with more familiarity with/interest in mathematical tools). Then, the result is generalized to the tidal force of the Moon acting on the Earth by considering the rotational ...
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