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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 14. Отображено 14.
08-09-2016 дата публикации

Online Measurement Of Black Powder In Gas And Oil Pipelines

Номер: US20160258876A1
Автор: Esra Al Hosani, Mahmoud Meribout, AL HOSANI ESRA, MERIBOUT MAHMOUD, Al Hosani Esra, Meribout Mahmoud
Принадлежит:

A method and system for determination of contaminants, such as black powder, in a flowing fluid, such as natural gas, is disclosed. The method comprises transmitting a plurality of light beams over a spectrum of wavelengths through the flowing fluid and receiving a plurality of measurements relating to transmitted and scattered light beams over the spectrum of wavelengths. The received plurality of measurements are compared with a plurality of stored patterns and a result indicative of the determination of the contaminants is output. 1. A method for determination of contaminants in a flowing fluid comprising:transmitting a plurality of light beams over a spectrum of wavelengths through the flowing fluid;receiving a plurality of measurements relating to transmitted and scattered light beams over the spectrum of wavelengths;comparing the received plurality of measurements with a plurality of stored patterns; andoutputting a result indicative of the determination of the contaminants.2. The method of claim 2 , wherein the received plurality of measurements relate to at least one of NIR claim 2 , MIR or Raman spectra.3. The method of claim 1 , further comprising a step of pre-processing the received plurality of measurement prior to the comparing with the plurality of stored patterns.4. The method of claim 1 , further comprising reducing the number of the received plurality of measurements prior to the comparing with the plurality of stored patterns.5. The method of claim 1 , wherein the comparing is carried out by at least one of principal component regression or partial least squares regression.6. The method of claim 1 , wherein the contaminants are solid particles.7. The method of claim 1 , wherein the contaminant are black powder.8. The method of claim 1 , wherein the flowing fluid is gas.9. The method of claim 1 , further comprising a step of establishing a background value for contaminants in the flowing fluid and subtracting the background value prior to the ...

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Номер записи: 1
08-09-2016 дата публикации

Online Measurement Of Black Powder In Gas And Oil Pipelines

Номер: US20160258877A1
Автор: Esra Al Hosani, Mahmoud Meribout, AL HOSANI ESRA, MERIBOUT MAHMOUD, Al Hosani Esra, Meribout Mahmoud
Принадлежит:

A method and system for determination of contaminants, such as black powder, in a flowing fluid, such as natural gas, is disclosed. The method comprises transmitting a plurality of light beams over a spectrum of wavelengths through the flowing fluid in a main pipeline and receiving a plurality of measurements relating to transmitted and scattered light beams over the spectrum of wavelengths. The measurements relate to at least one of absorption, reflection or refraction. The received plurality of measurements are compared with a plurality of stored patterns and a result indicative of the determination of the contaminants is output. 1. A method for determination of contaminants in a flowing fluid within a main pipeline comprising:transmitting a plurality of light beams in a near infrared -spectrum through the flowing fluid;receiving a plurality of measurements relating to transmitted and scattered light beams over the spectrum of wavelengths, the plurality of measurements relating to at least one of absorption, reflection, or refraction of the light beams by the contaminants;comparing the received plurality of measurements with a plurality of stored patterns; andoutputting a result indicative of the determination of the contaminants.2. The method of claim 1 , further comprising transmitting a further plurality of light beams in at least one of middle infrared or Raman spectra.3. The method of claim 1 , further comprising a step of pre-processing the received plurality of measurement prior to the comparing with the plurality of stored patterns.4. The method of claim 1 , further comprising reducing the number of the received plurality of measurements prior to the comparing with the plurality of stored patterns.5. The method of claim 1 , wherein the comparing is carried out by at least one of principal component regression or partial least squares regression.6. The method of claim 1 , wherein the contaminants are black powder.7. The method of claim 1 , wherein the ...

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Номер записи: 2
08-11-2018 дата публикации

SYSTEM AND METHOD FOR REAL-TIME FLOW MEASUREMENT IN PIPELINES USING THZ IMAGING

Номер: US20180321068A1
Автор: Hosani Esra, Meribout Mahmoud
Принадлежит:

A method and device for determining the flow rate of the wet gas using real-time THz imaging and for determining the flow rate of solid contaminants in oil and gas pipelines using real-time Tera Hertz (THz) imaging is disclosed. A THz imaging device for real-time multiphase flow measurement comprises a THz imaging subsystem having a THz source and an imaging capturing a captured image. Wherein the imaging having at least a two dimensional array of pixels, wherein the multiphase flow may comprise at least one of oil, water, gas and solid contaminants. Further, a method for real-time measurement of a wet gas flow of a gas is disclosed. The flow of gas comprising at least one of a fluid phase or solid contaminants in the gas flow. The method comprises at least the steps of using a THz subsystem on the gas flow to acquire a captured image and further processing the captured image to determine the flow rate of the flow of gas. 1. A THz imaging device for real-time multiphase flow measurement comprising a THz imaging subsystem having one or more THz sources , and one or more THz cameras which capture THz images , wherein the multiphase flow may comprise at least one of oil , water , gas and solid contaminants.2. The THz imaging device according to claim 1 , wherein the device may comprise one THz camera to capture THz images represented by a two dimensional array of pixels.3. The THz imaging device according to claim 1 , wherein the device may comprise more than one THz camera to capture THz images represented by a three dimensional array of pixels using for instance stereo-vision method.4. The THz imaging device according to claim 1 , wherein the THz imaging subsystem operates either in pulsed mode or in continuous mode claim 1 , and wherein the captured image represents the absorbed claim 1 , refracted claim 1 , or reflected THz waves which are emitted by the THz source.5. The THz imaging device according to claim 1 , further comprising a frame buffer to store at least ...

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Номер записи: 3
17-04-2018 дата публикации

online measurement of black powder in gas and oil pipelines

Номер: BR112017019008A2
Автор: Al Hosani Esra, Meribout Mahmoud
Принадлежит: Univ Khalifa Science & Technology

um método e sistema para a determinação de contaminantes, como pó preto, em um fluido fluido, como gás natural, é revelado. o método compreende a transmissão de uma pluralidade de feixes de luz sobre um espectro de comprimentos de onda através do fluxo fluido em uma tubagem principal e recebendo uma pluralidade de medidas relacionadas a feixes de luz transmitidos e espalhados sobre o espectro de comprimentos de onda. as medidas referem-se a pelo menos uma de absorção, reflexão ou refração. a pluralidade de medidas recebida é comparada com uma pluralidade de padrões armazenados e um resultado indicativo da determinação dos contaminantes é saída. A method and system for the determination of contaminants such as black dust in a fluid fluid such as natural gas is disclosed. The method comprises transmitting a plurality of light beams over a wavelength spectrum through fluid flow in a main pipe and receiving a plurality of measurements related to light beams transmitted and scattered over the wavelength spectrum. measurements refer to at least one of absorption, reflection or refraction. the plurality of measurements received is compared to a plurality of stored standards and an indicative result of the determination of contaminants is output.

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Номер записи: 4
03-11-2016 дата публикации

Online measurement of black powder in gas and oil pipelines

Номер: WO2016139649A3
Автор: Esra AL HOSANI, Mahmoud Meribout
Принадлежит: THE PETROLEUM INSTITUTE

A method and system for determination of contaminants, such as black powder, in a flowing fluid, such as natural gas, is disclosed. The method comprises transmitting a plurality of light beams over a spectrum of wavelengths through the flowing fluid in a main pipeline and receiving a plurality of measurements relating to transmitted and scattered light beams over the spectrum of wavelengths. The measurements relate to at least one of absorption, reflection or refraction. The received plurality of measurements are compared with a plurality of stored patterns and a result indicative of the determination of the contaminants is output.

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Номер записи: 5
31-10-2002 дата публикации

Compiling method, synthesizing system and recording medium

Номер: US20020162097A1
Автор: Mahmoud Meribout
Принадлежит: NEC Corp

A front-end compiler 103 carries out a syntax analysis of a description file 102 describing a desired electronic circuit model with a predetermined high level description language, to generate a control data flow graph 104 having a predetermined graph structure. A back-end compiler 105 divides the control data flow graph 104 into threads composed of a set of a plurality of connected nodes and achieving a particular function. The back-end compiler 105 optimizes the divided threads to meet with a predetermined area restriction and a predetermined waiting time restriction, to obtain designation information of the number, the function, the placement and routing of logic cells for the desired electronic circuit model. According to a compiling method of the present invention, it is possible to describe the electronic circuit model with a high level description language familiar to a programmer, and also it is possible to carry out a further accurate cost estimation.

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Номер записи: 6
11-03-2021 дата публикации

Inline demulsification device

Номер: WO2021044317A1
Автор: Esra AL HOSANI, Lyes KHEZZAR, Mahmoud Meribout, Nabil KHAROUA
Принадлежит: Abu Dhabi National Oil Company, Khalifa University of Science and Technology

Embodiments of the present disclosure describe an inline demulsification system (400, 430) including an inline flow conditioner (402,410) for separating a multiphase fluid into a liquid phase (420) and a gas phase (422), wherein the liquid phase (420) includes an emulsion; and an ultrasonic wave device (404), provided downstream from the flow conditioner (402, 410), including one or more ultrasonic probes (442) for emitting ultrasonic waves (452) towards the multiphase fluid, wherein the ultrasonic waves (452) demulsify at least a portion of the emulsion. Embodiments of the present disclosure also describe related systems and methods.

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Номер записи: 7
13-02-2020 дата публикации

Imaging system for analyzing a multiphase flow

Номер: WO2020030947A1
Автор: Esra AL HOSANI, Mahmoud Meribout
Принадлежит: Abu Dhabi National Oil Company, Khalifa University Of Science And Technology, Main Campus

The present invention relates to an imaging system for measuring flow rates of the individual phases of a multiphase flow and for providing images of the multiphase flow, wherein the imaging system is adapted to also measure the thickness of deposits on the internal wall of a pipe, and to a method for analyzing a multiphase flow flowing through a pipe using the imaging system.

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Номер записи: 8
30-04-2024 дата публикации

Imaging system for analyzing a multiphase flow by measuring individual flow rates and measuring deposit thickness on an internal wall of a pipe

Номер: US11971282B2
Автор: Esra AL HOSANI, Mahmoud Meribout
Принадлежит: Abu Dhabi National Oil Co, Khalifa University of Science, Technology and Research (KUSTAR)

An imaging system for measuring flow rates of the individual phases of a multiphase flow and for providing images of the multiphase flow, wherein the imaging system is adapted to also measure the thickness of deposits on the internal wall of a pipe, and to a method for analyzing a multiphase flow flowing through a pipe using the imaging system.

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Номер записи: 9
06-10-2022 дата публикации

Measuring flow rates of multiphase fluids

Номер: US20220316928A1
Автор: Esra AL HOSANI, Lyes KHEZZAR, Mahmoud Meribout
Принадлежит: Abu Dhabi National Oil Co, Khalifa University of Science, Technology and Research (KUSTAR)

Embodiments include a multiphase flowmeter system ( 300 ). The multiphase flowmeter system ( 300 ) may include a first inline flow conditioner ( 310 ) for reducing a slip velocity between a liquid phase and a gas phase of a multiphase fluid, a flowmeter for measuring a flow rate of the multiphase fluid, a second inline flow conditioner ( 350 ) for separating the liquid phase and the gas phase of the multiphase fluid, a non-radioactive sensor system for measuring one or more of a gas void fraction of the multiphase fluid and a water-cut of the multiphase fluid, and a processor ( 480 ) for computing one or more flow rates of the multiphase fluid. Embodiments further include methods of measuring one or more flow rates of a multiphase fluid and other related methods, apparatuses, devices, and systems.

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Номер записи: 10
16-06-2021 дата публикации

Imaging system for analyzing a multiphase flow

Номер: EP3833938A1
Автор: Esra AL HOSANI, Mahmoud Meribout
Принадлежит: Abu Dhabi National Oil Co, Khalifa University of Science, Technology and Research (KUSTAR)

The present invention relates to an imaging system for measuring flow rates of the individual phases of a multiphase flow and for providing images of the multiphase flow, wherein the imaging system is adapted to also measure the thickness of deposits on the internal wall of a pipe, and to a method for analyzing a multiphase flow flowing through a pipe using the imaging system.

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Номер записи: 11
05-09-2023 дата публикации

Inline demulsification device

Номер: US11745121B2
Автор: Esra AL HOSANI, Lyes KHEZZAR, Mahmoud Meribout, Nabil KHAROUA
Принадлежит: Abu Dhabi National Oil Co, Khalifa University of Science, Technology and Research (KUSTAR)

Embodiments of the present disclosure describe an inline demulsification system ( 400, 430 ) including an inline flow conditioner ( 402,410 ) for separating a multiphase fluid into a liquid phase ( 420 ) and a gas phase ( 422 ), wherein the liquid phase ( 420 ) includes an emulsion; and an ultrasonic wave device ( 404 ), provided downstream from the flow conditioner ( 402, 410 ), including one or more ultrasonic probes ( 442 ) for emitting ultrasonic waves ( 452 ) towards the multiphase fluid, wherein the ultrasonic waves ( 452 ) demulsify at least a portion of the emulsion. Embodiments of the present disclosure also describe related systems and methods.

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Номер записи: 12
23-05-2024 дата публикации

Method for accelerating the data acquisition throughput of electrical tomography systems

Номер: US20240167971A1
Автор: Khalid ALHAMMADI, Lyes KHEZZAR, Mahmoud Meribout, Naji Mohammed AL SAYARI, Varun Kumar TIWARI
Принадлежит: Khalifa University of Science, Technology and Research (KUSTAR)

Electrical Tomography (ET) Images of an object can be generated based on features extracted during an excitation cycle. For example, a method described herein can include selecting, from a plurality of electrodes attached to the object, a first pair of electrodes. The method can include exciting the first pair of electrodes during a first excitation cycle. Additionally, the method can include generating an analog signal by performing measurements across remaining pairs of electrodes of the plurality of electrodes during the excitation cycle. The method can include generating the digital signal based on an analog to digital conversion of the analog signal. Further, the method can include extracting, during the excitation cycle, features based on the digital signal. The method can include generating an ET image associated with the object based on the features.

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Номер записи: 13
30-07-2024 дата публикации

Method for accelerating the data acquisition throughput of electrical tomography systems

Номер: US12050191B2
Автор: Khalid ALHAMMADI, Lyes KHEZZAR, Mahmoud Meribout, Naji Mohammed AL SAYARI, Varun Kumar TIWARI
Принадлежит: Khalifa University of Science, Technology and Research (KUSTAR)

Electrical Tomography (ET) Images of an object can be generated based on features extracted during an excitation cycle. For example, a method described herein can include selecting, from a plurality of electrodes attached to the object, a first pair of electrodes. The method can include exciting the first pair of electrodes during a first excitation cycle. Additionally, the method can include generating an analog signal by performing measurements across remaining pairs of electrodes of the plurality of electrodes during the excitation cycle. The method can include generating the digital signal based on an analog to digital conversion of the analog signal. Further, the method can include extracting, during the excitation cycle, features based on the digital signal. The method can include generating an ET image associated with the object based on the features.

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Номер записи: 14