Search Results - "Salgado, William Luna"

A novel radioactive particle tracking algorithm based on deep rectifier neural network by Dam, Roos Sophia de Freitas, dos Santos, Marcelo Carvalho, do Desterro, Filipe Santana Moreira, Salgado, William Luna, Schirru, Roberto, Salgado, César Marques

“…Radioactive particle tracking (RPT) is a minimally invasive nuclear technique that tracks a radioactive particle inside a volume of interest by means of a…”
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A novel radioactive particle tracking algorithm based on deep rectifier neural network by Dam, Roos Sophia de Freitas, dos Santos, Marcelo Carvalho, do Desterro, Filipe Santana Moreira, Salgado, William Luna, Schirru, Roberto, Salgado, Cesar Marques

“…Radioactive particle tracking (RPT) is a minimally invasive nuclear technique that tracks a radioactive particle inside a volume of interest by means of a…”
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Study of volume fractions on biphasic stratified regime using gamma ray by Salgado, William Luna, Brandão, Luis Eduardo Barreira

“…In the oil industries, interconnected pipelines are used to carry large quantities of petroleum and its byproducts. This modal has an advantage because they…”
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Source-detector effective solid angle calculation using MCNP6 code by Dam, Roos Sophia de Freitas, Dos Santos, Alessandra Galvão Menezes, Salgado, William Luna, Salgado, César Marques

“…Nuclear techniques based on the attenuation of gamma radiation are used in the industry to calculate flow rate, determine fluid density, predict inorganic…”
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Volume fractions calculation of a biphasic system on cylindrical tube using gamma ray and MCNP6 code by Salgado, William Luna, Dam, Roos Shopia de Freitas, Miranda, Rian Oliveira, Salgado, César Marques, Xavier, Ademir da Silva

“…Be determined which is the volumetric fraction. This paper presents a methodology to calculate volumetric fractions on the stratified flow regime, considering…”
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USE OF MONTE CARLO SIMULATIONS FOR OPTIMAL GEOMETRY STUDY IN CALCULATION OF ATTENUATION COEFFICIENT FOR ELEMENT, COMPOUND AND MIXTURE by Barbosa, Caroline Mattos, Raitz, Cesar, Dam, Roos Sophia de Freitas, Salgado, William Luna, Salgado, Cesar Marques, Braz, Delson

“…MCNP is a code extensively used to simulate experiments involving transport of radiation using the Monte Carlo method. This code allows the study of different…”
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Use of the Grubbs test to study the homogeneity of a NaI(Tl) detector by Ramos, Leticia Lins, Salgado, César Marques, Salgado, William Luna, Dam, Roos Sophia, Ferreira, Francisco Oliveira

“…The NaI(Tl) detector is one of the most used in gamma ray spectrometry because it presents high counting efficiency for gamma rays in a wide range of energy…”
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Application of deep neural network and gamma-ray scattering in eccentric scale calculation regardless of the fluids volume fraction inside a pipeline by Dam, Roos Sophia de Freitas, Salgado, William Luna, Schirru, Roberto, Salgado, César Marques

“…Scale formation is one of the major problems in the oil industry as it can accumulate on the surface of the pipelines, which could even fully block the fluids’…”
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A comparative study of a traditional localization algorithm and a deep learning model for radioactive particle tracking application by Dam, Roos Sophia de Freitas, Affonso, Renato Raoni Werneck, Salgado, William Luna, Schirru, Roberto, Salgado, César Marques

“…Radioactive particle tracking is a nuclear technique that tracks a sealed radioactive particle inside a volume through a mathematical location algorithm, which…”
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Calculation of scales in oil pipeline using gamma-ray scattering and artificial intelligence by Salgado, César Marques, Salgado, William Luna, Dam, Roos Sophia de Freitas, Conti, Claudio Carvalho

“…•The proposed geometry composes gamma-rays and two NaI(Tl) detectors.•Different thicknesses and relative positions of scale for the annular flow regime were…”
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Predicting scale thickness in three-phase flow using neutron activation analysis and deep learning by Salgado, William Luna, Dam, Roos Sophia de Freitas, Puertas, Eddie Jesús Avilán, Salgado, César Marques

“…•Calcium carbonate scales reduce pipe diameter, obstructing fluid flow in oil and gas production.•Proposed method predicts scale thickness using neutron source…”
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Void fraction prediction using prompt gamma neutron activation analysis and artificial intelligence by Salgado, William Luna, de Freitas Dam, Roos Sophia, Xavier da Silva, Ademir, Salgado, César Marques

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Application of radioactive particle tracking and an artificial neural network to calculating the flow rate in a two-phase (oil–water) stratified flow regime by Dam, Roos Sophia de Freitas, Salgado, William Luna, Schirru, Roberto, Salgado, César Marques

“…A multiphase flow is defined as the transport of two or more fluids with different properties flowing together inside a pipeline. After offshore oil…”
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Prediction of fluids volume fraction and barium sulfate scale in a multiphase system using gamma radiation and deep neural network by Dam, Roos Sophia de Freitas, dos Santos, Marcelo Carvalho, Salgado, William Luna, da Cruz, Bianca Lamarca, Schirru, Roberto, Salgado, César Marques

“…In the oil industry, during the production of oil and gas, barium sulfate (BaSO4) scale may occur on the inner walls of the pipelines leading to the reduction…”
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Experimental and simulated methods to characterize the response of a scintillator detector by Salgado, William Luna, Dam, Roos Sophia de Freitas, Ramos, Letícia Lins, da Silva, Ademir Xavier, Conti, Claudio Carvalho, Salgado, César Marques

“…The NaI(Tl) detector is one of the most used in gamma ray spectrometry because it presents high counting efficiency for gamma rays in a wide energy range. This…”
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Application of deep neural network and gamma radiation to monitor the transport of petroleum by-products through polyducts by Salgado, William Luna, Dam, Roos Sophia de Freitas, Desterro, Filipe Santana Moreira do, Cruz, Bianca Lamarca da, Silva, Ademir Xavier da, Salgado, César Marques

“…To continuously monitor information about the transport of fluids by sequential batches in polyduct, found in the petrochemical industry, it is necessary to…”
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Development of a correlator for flow measurement in pipelines using gamma radiation and cross-correlation function by Puertas, Eddie Jesús Avilán, Salgado, William Luna, Dam, Roos Sophia de Freitas, Salgado, César Marques

“…Measuring water consumption by different users (industrial, agricultural, urban) is essential, since in many countries water royalties per consumer are…”
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Three-phase flow meters based on X-rays and artificial neural network to measure the flow compositions by Salgado, César Marques, Dam, Roos Sophia de Freitas, Conti, Claudio de Carvalho, Salgado, William Luna

“…The methodology presented in this study is based on a 149.5 keV X-ray beam and two planar germanium detectors for X-ray transmission and scattering…”
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Thickness prediction in metal alloys using nuclear techniques and artificial neural network: Modelling by Menezes dos Santos, Alessandra Galvão, de Freitas Dam, Roos Sophia, da Cruz, Paulo Alberto Lima, Salgado, William Luna, Salgado, César Marques

“…Metal alloys are widely used in the aerospace, biological, civil and automotive industries, thus being very important to develop techniques to identify these…”
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Optimization of radioactive particle tracking methodology in a single-phase flow using MCNP6 code and artificial intelligence methods by Dam, Roos Sophia de Freitas, Salgado, William Luna, Affonso, Renato Raoni Werneck, Schirru, Roberto, Salgado, César Marques

“…A recent investigation proposed a simulated radioactive particle tracking (RPT) system using eight scintillator detectors in order to predict instantaneous…”
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