Apparatus and method for noninvasive particle detection using doppler spectroscopy

Sinha, Dipen N.

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Title: Apparatus and method for noninvasive particle detection using doppler spectroscopy

Abstract

An apparatus and method for noninvasively detecting the presence of solid particulate matter suspended in a fluid flowing through a pipe or an oil and gas wellbore are described. Fluid flowing through a conduit containing the particulate solids is exposed to a fixed frequency (>1 MHz) of ultrasonic vibrations from a transducer attached to the outside of the pipe. The returning Doppler frequency shifted signal derived from the scattering of sound from the moving solid particles is detected by an adjacent transducer. The transmitted signal and the Doppler signal are combined to provide sensitive particulate detection. The magnitude of the signal and the Doppler frequency shift are used to determine the particle size distribution and the velocity of the particles. Measurement of the phase shift between the applied frequency and the detected Doppler shifted may be used to determine the direction of motion of the particles.

Inventors:: Sinha, Dipen N.

Issue Date:: Tue May 31 00:00:00 EDT 2016

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1255138

Patent Number(s):: 9354094

Application Number:: 13/225,750

Assignee:: Los Alamos National Security, LLC (Los Alamos, NM)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

Show more

G - PHYSICS G01 - MEASURING G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL
G01F1/663 - {by measuring Doppler frequency shift}
G01F1/704 - using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
G01F1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N15/02 - Investigating particle size or size distribution
G01N2015/0053 - {in liquids, e.g. trouble}
G01N2291/017 - Doppler techniques
G01N2291/02416 - Solids in liquids
G01N29/036 - by measuring frequency or resonance of acoustic waves

Show less

DOE Contract Number:: AC52-06NA25396

Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 Sep 06

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats


                    Sinha, Dipen N. Apparatus and method for noninvasive particle detection using doppler spectroscopy.  United States: N. p., 2016. 
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                    Sinha, Dipen N. Apparatus and method for noninvasive particle detection using doppler spectroscopy.  United States.

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                    Sinha, Dipen N. Tue .  
        "Apparatus and method for noninvasive particle detection using doppler spectroscopy".  United States.  https://www.osti.gov/servlets/purl/1255138.

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@article{osti_1255138,

  title        = {Apparatus and method for noninvasive particle detection using doppler spectroscopy},

  author       = {Sinha, Dipen N.},

  abstractNote = {An apparatus and method for noninvasively detecting the presence of solid particulate matter suspended in a fluid flowing through a pipe or an oil and gas wellbore are described. Fluid flowing through a conduit containing the particulate solids is exposed to a fixed frequency (>1 MHz) of ultrasonic vibrations from a transducer attached to the outside of the pipe. The returning Doppler frequency shifted signal derived from the scattering of sound from the moving solid particles is detected by an adjacent transducer. The transmitted signal and the Doppler signal are combined to provide sensitive particulate detection. The magnitude of the signal and the Doppler frequency shift are used to determine the particle size distribution and the velocity of the particles. Measurement of the phase shift between the applied frequency and the detected Doppler shifted may be used to determine the direction of motion of the particles.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue May 31 00:00:00 EDT 2016},

  month        = {Tue May 31 00:00:00 EDT 2016}

}

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Process and device for recognizing foreign bodies in viscous or fluid, lump-containing foodstuffs
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Similar Records

Title: Apparatus and method for noninvasive particle detection using doppler spectroscopy

Abstract

Citation Formats

Method and apparatus for measuring blood flow noninvasively patent, August 1978

In-phase quadrature demodulator for CPSK signals patent, January 1981

Liquid coupling for doppler sonic flowmeter patent, July 1981

Ultrasonic Doppler flowmeter with correction for vibratory signals at zero-flow conditions patent, July 1981

Void/particulate detector patent, September 1985

Variable frequency gas-bubble-manipulating apparatus and method patent, September 1987

Systems for detecting magnetic particles in fluids patent, March 1990

Apparatus for and a method of distinguishing ultrasound signals returned from bubbles and particles moving in a fluid from signals due to ultrasound transducer motion patent, April 1992

Ultrasonic measuring system and method of operation patent, February 1998

Flow measurement system with guided signal launched in lowest mode patent, May 2000

Flow velocity measuring unit patent, April 2001

Process and device for recognizing foreign bodies in viscous or fluid, lump-containing foodstuffs patent, December 2001

Method of fluid rheology characterization and apparatus therefor patent, April 2002

Method and apparatus for acoustic fluid analysis patent, June 2002

Ultrasonic flowmeter patent, June 2004

Pipe inspection systems and methods patent, August 2004

Doppler ultrasonic flowmeter patent, August 2005

Ultrasonic characterization of high concentration particles patent, August 2007

Downhole sanding analysis tool patent, January 2013

Characterization of Liquids Using Gas Bubbles patent-application, July 2004

Ultrasound Multiphase Fraction Meter and Method for Determining Phase Fractions in a Multiphase Fluid patent-application, January 2009

Non-Invasive Fluid Density and Viscosity Measurement patent-application, April 2009

Ultrasonic analyte concentration and application in flow cytometry patent-application, January 2010

Method and apparatus for measuring blood flow noninvasively
patent, August 1978

In-phase quadrature demodulator for CPSK signals
patent, January 1981

Liquid coupling for doppler sonic flowmeter
patent, July 1981

Ultrasonic Doppler flowmeter with correction for vibratory signals at zero-flow conditions
patent, July 1981

Void/particulate detector
patent, September 1985

Variable frequency gas-bubble-manipulating apparatus and method
patent, September 1987

Systems for detecting magnetic particles in fluids
patent, March 1990

Apparatus for and a method of distinguishing ultrasound signals returned from bubbles and particles moving in a fluid from signals due to ultrasound transducer motion
patent, April 1992

Ultrasonic measuring system and method of operation
patent, February 1998

Flow measurement system with guided signal launched in lowest mode
patent, May 2000

Flow velocity measuring unit
patent, April 2001

Process and device for recognizing foreign bodies in viscous or fluid, lump-containing foodstuffs
patent, December 2001

Method of fluid rheology characterization and apparatus therefor
patent, April 2002

Method and apparatus for acoustic fluid analysis
patent, June 2002

Ultrasonic flowmeter
patent, June 2004

Pipe inspection systems and methods
patent, August 2004

Doppler ultrasonic flowmeter
patent, August 2005

Ultrasonic characterization of high concentration particles
patent, August 2007

Downhole sanding analysis tool
patent, January 2013

Characterization of Liquids Using Gas Bubbles
patent-application, July 2004

Ultrasound Multiphase Fraction Meter and Method for Determining Phase Fractions in a Multiphase Fluid
patent-application, January 2009

Non-Invasive Fluid Density and Viscosity Measurement
patent-application, April 2009

Ultrasonic analyte concentration and application in flow cytometry
patent-application, January 2010