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Damping of intraocular pressure fluctuations

Clinical & Experimental Ophthalmology, 2012
AbstractBackground:  There is increasing evidence that relatively rapid spikes in intraocular pressure may contribute to axonal damage in glaucoma. The present study seeks to quantify the ability of a compressible damping element (a simple air bubble) to reduce intraocular pressure fluctuations induced by a known change in intraocular fluid volume ...
Stephen J, Cringle, Dao-Yi, Yu
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Pressure Sensitive Paint for Acoustic Pressure Fluctuations

Noise Control and Acoustics, 2005
Full-field luminescent pressure sensors are commonly referred to as Pressure Sensitive Paint (PSP). In this paper, the suitability of PSP for the detection of acoustic pressure fluctuations is evaluated. Single point measurements utilizing a photomultiplier tube are performed in an acoustic plane wave tube capable of generating pressure levels up to ...
Carroll, Bruce F.   +4 more
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On pressure fluctuations

Physica, 1973
Abstract The old problem of pressure fluctuations is analyzed in terms of three characteristic times: (1) the duration of a molecular collision with the wall, (2) the time between successive collisions by a specific molecule, and (3) the integrating time of the pressure-measuring instrument.
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Pressure fluctuations on gates

Journal of Hydraulic Research, 1989
Mean and fluctuating pressures on various geometries of vertical-lift gates have been measured and analysed. The influence of various hydraulic parameters and the magnitude of the gate opening on mean and r.m.s. pressure fluctuations and their spatial correlations has been investigated.
BHARGAVA, VP, NARASIMHAN, S
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The discrimination of blood pressure fluctuations

Biological Psychology, 1979
Two studies are described in which volunteers were trained to distinguish between displays contingent on or independent of blood pressure fluctuations. The latter were monitored with pulse transit time (TT). In Experiment 1, subjects were required to choose between TV displays that either reflected instantaneous TT or variations recorded a few minutes ...
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Pressure Fluctuating Tool

Proceedings of SPE Production Operations Symposium, 1985
ABSTRACT The Pressure Fluctuating Tool (PFT) utilizes a fluidic oscillator to create pulsating pressure for breaking down perforations. The maximum pressure fluctuations produced by the oscillator can be as great as 1500 psi (10,300 kPa) above and below downhole ambient pressure with frequency ranging from 140 to 160 cycles per second ...
R. A. Payne   +3 more
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