Results 1 to 10 of about 208,805 (196)

Void Fraction Measurement of Oil–Gas–Water Three-Phase Flow Using Mutually Perpendicular Ultrasonic Sensor [PDF]

open access: yesSensors, 2020
The complex flow structure and interfacial effect in oil−gas−water three-phase flow have made the void fraction measurement a challenging problem.
Weikai Ren, An Zhao, Ningde Jin
doaj   +2 more sources

A New Void Fraction Measurement Method for Gas-Liquid Two-Phase Flow in Small Channels [PDF]

open access: yesSensors, 2016
Based on a laser diode, a 12 × 6 photodiode array sensor, and machine learning techniques, a new void fraction measurement method for gas-liquid two-phase flow in small channels is proposed.
Huajun Li   +5 more
doaj   +2 more sources

A New Capacitance Sensor for Measuring the Void Fraction of Two-Phase Flow Through Tube Bundles [PDF]

open access: yesSensors, 2020
Evaluating the two-phase flow parameters across tube bundles is crucial to the analysis of vibration excitation mechanisms. These parameters include the temporal and local variation of void fraction and phase redistribution. Understanding these two-phase
Wael Ahmed   +5 more
doaj   +2 more sources

Gas Void Fraction Measurement of Gas-Liquid Two-Phase CO2 Flow Using Laser Attenuation Technique [PDF]

open access: yesSensors, 2019
The carbon capture and storage (CCS) system has the potential to reduce CO2 emissions from traditional energy industries. In order to monitor and control the CCS process, it is essential to achieve an accurate measurement of the gas void fraction in a ...
Haochi Wu, Quansheng Duan
doaj   +2 more sources

Three-Dimensional Stochastic Distribution Characteristics of Void Fraction in Longwall Mining-Disturbed Overburden of Inclined Coal Seam

open access: yesLithosphere, 2022
Fractures in the overburden induced by mining disturbances provide a channel for fluid flow between the surface and the underground. Mining-induced strata movement and fracture distribution are influenced by the gravity and dip angles of rock seams.
Shaofeng Wang   +4 more
doaj   +1 more source

ON THE EFFECT OF FINE-SCALE RADIAL VOID DISTRIBUTIONS ON ASSEMBLY CRITICALITY AND PIN POWER DISTRIBUTION [PDF]

open access: yesEPJ Web of Conferences, 2021
The assumption that void fraction, and by extension coolant density, is uniform in the radial direction is a common approximation used in lattice physics simulations.
Price Dean   +3 more
doaj   +1 more source

Void fraction distribution in a rod bundle with part-length rods via high-energy X-ray computed tomography

open access: yesMechanical Engineering Journal, 2021
The void fraction distribution of a fuel rod bundle in a boiling water reactor is a critical parameter for accurately predicting the optimal thermal margin in the design of a reactor core. The rod bundle configuration, such as a part-length rod (PLR) and
Takahiro ARAI   +7 more
doaj   +1 more source

Study on Measure Approach of Void Fraction in Narrow Channel Based on Fully Convolutional Neural Network

open access: yesFrontiers in Energy Research, 2021
Void fraction is one of the key parameters for gas-liquid study and detection of nuclear power system state. Based on fully convolutional neural network (FCN) and high-speed photography, an indirect void fraction measure approach for flow boiling ...
Wenjun Chu   +4 more
doaj   +1 more source

A Differential Pressure Technique for Void Fraction Measurement in Gas-Liquid Flow

open access: yesENP Engineering Science Journal, 2021
Two-phase Gas-liquid flows have many industrial uses, such as hydrocarbon transportation and energy production. The knowledge and an accurate determination of the gas phase's proportion rate in the two-phase mixture known as the gas void fraction is ...
Ammar ZEGHLOUL   +3 more
doaj   +1 more source

Two-phase distribution in the vertical flow line of a domestic wet central heating system [PDF]

open access: yes, 2013
The theoretical and experimental aspects of bubble distribution in bubbly two-phase flow are reviewed in the context of the micro bubbles present in a domestic gas fired wet central heating system.
Fsadni, A.M., Ge, Y.T.
core   +4 more sources

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