Flow velocity measurements by means of nonlinear interaction of phase conjugate ultrasonic waves

Pyl'Nov, Y.; Preobrazhensky, V.; Pernod, Philippe; Smagin, Nikolay

doi:10.1109/ultsym.2005.1603295

Cited by 1 publication

(2 citation statements)

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“…The use of ultrasonic waves for measurement flow of a medium is essentially based on the method of measurement time difference between two pulses of sound in the flowing liquid at a certain distance. One of the pulses is directed towards the flowing liquid and the other is in the opposite direction [6]. The measurement time difference determines the flow rate.…”

Section: Introductionmentioning

confidence: 99%

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A Method for Optical Liquid Flow Analysis

Lutowski¹,

Marciniak²,

Bujnowski³

et al. 2015

SSP

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This paper presents a modification of the optical marker method for fluid particle trajectories analysis. Known optical visualization methods involving the addition of uniform indicator particles, require special methods of illuminating a single section of the liquid. Other of the disadvantages of this method is also the need to record suitably quick sequence of images, as well as problems in obtaining information about the three-dimensional motion of particles. The proposed modification involves the use of a set of markers, each of which is uniquely identified. The paper presents the results of laboratory tests carried out using the suggested markers.

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Section: Introductionmentioning

confidence: 99%

“…The second step is to determine displacements of the particles providing information relevant for the 3D image reconstruction. The idea of measurement assumes that the speed of the movement of the interference structure of the liquid stream velocity is the same as the measured fluid at the given point of the measuring section [2,6].…”

Section: Introductionmentioning

confidence: 99%