Search Results - "Flow measurement and instrumentation"

Application of GMDH neural network technique to improve measuring precision of a simplified photon attenuation based two-phase flowmeter by Roshani, Mohammadmehdi, Sattari, Mohammad Amir, Muhammad Ali, Peshawa Jammal, Roshani, Gholam Hossein, Nazemi, Behrooz, Corniani, Enrico, Nazemi, Ehsan

“…Multiphase flowmeters have an important role to play in the industry and any attempts that lead to improvements in this field are of great interest. In the…”
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Application of soft computing techniques to multiphase flow measurement: A review by Yan, Yong, Wang, Lijuan, Wang, Tao, Wang, Xue, Hu, Yonghui, Duan, Quansheng

“…After extensive research and development over the past three decades, a range of techniques have been proposed and developed for online continuous measurement…”
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Density and velocity determination for single-phase flow based on radiotracer technique and neural networks by Roshani, G.H., Hanus, R., Khazaei, A., Zych, M., Nazemi, E., Mosorov, V.

“…Measuring the density and velocity of fluids is one of the important tasks in oil and petroleum industries. The article demonstrates the measurements of these…”
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Identification of liquid-gas flow regime in a pipeline using gamma-ray absorption technique and computational intelligence methods by Hanus, Robert, Zych, Marcin, Kusy, Maciej, Jaszczur, Marek, Petryka, Leszek

“…Liquid-gas flows in pipelines occur frequently in the mining, nuclear, and oil industry. One of the non-contact techniques useful for studying such flows is…”
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Intelligent recognition of gas-oil-water three-phase flow regime and determination of volume fraction using radial basis function by Roshani, G.H., Nazemi, E., Roshani, M.M.

“…The problem of how to accurately measure the flow rate of oil–gas–water mixtures in a pipeline remains one of the key challenges in the petroleum industry…”
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Coriolis flowmeters: a review of developments over the past 20 years, and an assessment of the state of the art and likely future directions by Wang, Tao, Baker, Roger

“…This paper starts from a brief revisit of key early published work so that an overview of modern Coriolis flowmeters can be provided based on a historical…”
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Efficiency of Trapezoidal Labyrinth Shaped stepped spillways by Ghaderi, Amir, Abbasi, Saeed, Abraham, John, Azamathulla, Hazi Mohammad

“…A spillway with Trapezoidal Labyrinth Shaped steps (TLS) is proposed and investigated numerically. The results show that this spillway has better performance…”
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Estimation of fractal representation of wind speed fluctuation by artificial neural network with different training algorothms by Petković, Dalibor, Nikolić, Vlastimir, Mitić, Vojislav V., Kocić, Ljubiša

“…Since the wind speed fluctuation could cause large instability in wind energy systems it is crucial to develop a method for precise estimation of the wind…”
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Measuring solid cuttings transport in Newtonian fluid across horizontal annulus using electrical resistance tomography (ERT) by Qureshi, M. Fahed, Ali, Moustafa H., Ferroudji, Hicham, Rasul, Golam, Khan, Muhammad Saad, Rahman, Mohammad Azizur, Hasan, Rashid, Hassan, Ibrahim

“…The in-situ visualization of flow in the opaque pipes and annulus is a major cause of concern for studying hole cleaning issues and multiphase flow patterns in…”
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Predicting oil flow rate through orifice plate with robust machine learning algorithms by Behesht Abad, Abouzar Rajabi, Tehrani, Pezhman Soltani, Naveshki, Mohammad, Ghorbani, Hamzeh, Mohamadian, Nima, Davoodi, Shadfar, Aghdam, Saeed Khezerloo-ye, Moghadasi, Jamshid, Saberi, Hossein

“…Measuring fluid flow rate passing through pipelines is a basic strategy for developing the infrastructure of fluid-dependent industries. It is a challenging…”
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Scaling of turbulence intensity for low-speed flow in smooth pipes by Russo, Francesco, Basse, Nils T.

“…In this paper, we compare measured, modelled, and simulated mean velocity profiles. Smooth pipe flow simulations are performed for both incompressible (below…”
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Identification of gas-liquid flow regimes using a non-intrusive Doppler ultrasonic sensor and virtual flow regime maps by Nnabuife, Somtochukwu Godfrey, Pilario, Karl Ezra S., Lao, Liyun, Cao, Yi, Shafiee, Mahmood

“…The accurate prediction of flow regimes is vital for the analysis of behaviour and operation of gas/liquid two-phase systems in industrial processes. This…”
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Enhancing the performance of a dual-energy gamma ray based three-phase flow meter with the help of grey wolf optimization algorithm by Karami, Alimohammad, Roshani, Gholam Hossein, Nazemi, Ehsan, Roshani, Sobhan

“…In recent years, there has been an increasing interest in implementing artificial intelligence in radiation based multiphase flow meter systems. This study…”
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Leak detection systems in oil and gas fields: Present trends and future prospects by Meribout, Mahmoud, Khezzar, Lyes, Azzi, Abdelwahid, Ghendour, Nabil

“…Early leak detection of liquid and gas of both buried and unburied pipelines remain a critical task for economical and safety reasons. Several techniques were…”
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Analysis of the effect of rigid vegetation patches on the hydraulics of an open channel flow with Realizable k-ε and Reynolds stress turbulence models by Aydogdu, Mahmut

“…In this study, the effect of vegetation patches naturally located in the river and stream bed on flow characteristics was observed under laboratory conditions…”
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Thin film thickness measurements in two phase annular flows using ultrasonic pulse echo techniques by Al-Aufi, Y.A., Hewakandamby, B.N., Dimitrakis, G., Holmes, M., Hasan, A., Watson, N.J.

“…The electric power generation and oil/gas production industries have a strong interest in the physical characterization of conducting and non-conducting liquid…”
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Features selection for recognition of severe slugging in a long pipeline with an S-shaped riser by decision tree by Xu, Qiang, Li, Xiangyu, Jiang, Shuaizhi, Wang, Xinyu, Liu, Chenying, Wang, Chan, Chang, Qiuxiang

“…In deep-sea oil and gas, S-shaped riser is the key equipment to transport the multiphase working substance produced underwater to the surface platform. The…”
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Development of liquid level measurement technology: A review by Mohindru, Pankaj

“…Depending on various applications, the process control industry uses liquid-level sensors of different principles. Due to the dynamic nature of liquid such as…”
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Reliable prediction of the discharge coefficient of triangular labyrinth weir based on soft computing techniques by Seyedian, Seyed Morteza, Haghiabi, AmirHamzeh, Parsaie, Abbas

“…Weirs are important hydraulic structures widely used to control the flow rates in open channels and rivers. As a remarkable parameter, the discharge…”
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Precise gamma based two-phase flow meter using frequency feature extraction and only one detector by Hosseini, S., Roshani, G.H., Setayeshi, S.

“…Flow regime information can be used to enhance measurement accuracy of flowmeters. Void fraction measurement and regime identification of two-phase flows…”
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