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Ultrasound array micronano detection method of particle sizes multiphase fluid particles

An ultrasonic array, multiphase fluid technology, used in particle size analysis, particle and sedimentation analysis, material analysis using sonic/ultrasonic/infrasonic waves, etc.

Inactive Publication Date: 2012-12-19
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

No relevant patents or literature have been retrieved so far Using Ultrasonic Arrays to Measure Particle Size in Multiphase Fluids

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  • Ultrasound array micronano detection method of particle sizes multiphase fluid particles
  • Ultrasound array micronano detection method of particle sizes multiphase fluid particles

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Embodiment Construction

[0010] Select the corresponding ultrasonic transducer according to the particle size parameters of the multiphase flow, install the transducer on the multiphase fluid ultrasonic array detection device, and all the ultrasonic transducers that can be used for replacement are water-immersed transducers. The multiphase fluid is located in the sample cell. figure 1 It is a schematic diagram of the detection device, and each part is: sample pool, high-frequency ultrasonic transducer, high-frequency ultrasonic transceiver card, data processing device, etc. figure 2 Schematic diagram of multiphase fluid ultrasonic transducer array.

[0011] When the sound wave propagates in the medium, its intensity gradually decreases with the increase of the propagation distance. According to different causes of sound intensity attenuation, sound wave attenuation can be divided into three main types: absorption attenuation, scattering attenuation and diffusion attenuation. The first two types of ...

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Abstract

The invention aims at providing an ultrasound array micronano detection method of particle sizes of multiphase fluid particles. The ultrasound array micronano detection method is used for detecting the particle sizes and the like of particles in suspension liquid. The ultrasound array micronano detection method of the particle sizes of the multiphase fluid particles comprises the following steps of: demarcating multiphase fluid with particles in different sizes and determining a relation between a multiphase fluid attenuation coefficient and the particle sizes. Ultrasound beams are vertically irradiated in the multiphase fluid to be detected, and an ultrasound transducer array receives reflection or transmission ultrasonic waves form the inside of the multiphase fluid. The average particle size is determined according to the relation between the attenuation coefficient and the particle sizes of the suspension liquid particles.

Description

1. Technical field [0001] The invention belongs to the technical field of non-destructive testing, specifically relates to multiphase flow suspension and ultrasonic detection, and is a method for detecting multiphase fluid particle size and the like by using an ultrasonic array. 2. Background technology [0002] Multiphase fluid particle size ultrasonic array micro-nano detection method is a non-destructive testing technology that uses ultrasonic array to detect multiphase fluid particle size. It uses high-frequency ultrasonic waves to interact with the measured multiphase fluid particles to obtain the particle size Parameters are widely used in many fields such as aerospace, industrial machinery and biomedicine. [0003] The particle size of multiphase fluid plays a major role in many industries, such as the particle size and concentration of mud particles in oil drilling, the water and gas content in oil-water-gas three-phase fluid, the content of river sediment, and the s...

Claims

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Application Information

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IPC IPC(8): G01N15/02G01N29/032
Inventor 徐春广阎红娟肖定国李喜朋杨柳刘钊
Owner BEIJING INSTITUTE OF TECHNOLOGYGY