Results 21 to 30 of about 2,322 (247)

Defect Automatic Identification of Eddy Current Pulsed Thermography [PDF]

open access: yesJournal of Sensors, 2014
Eddy current pulsed thermography (ECPT) is an effective nondestructive testing and evaluation (NDT&E) technique, and has been applied for a wide range of conductive materials. Manual selected frames have been used for defects detection and quantification. Defects are indicated by high/low temperature in the frames. However, the variation of surface
Kai Chen 0018   +5 more
openaire   +1 more source

Defect Characterization Based on Eddy Current Technique: Technical Review

open access: yesAdvances in Mechanical Engineering, 2014
Eddy current testing is widely used for nondestructive evaluation of metallic structures in characterizing numerous types of defects occurring in various locations.
Ruzlaini Ghoni   +3 more
doaj   +1 more source

Emissivity Correction and Thermal Pattern Reconstruction in Eddy Current Pulsed Thermography

open access: yesSensors, 2023
Emissivity variations are one of the most critical challenges in thermography technologies; this is due to the temperature calculation strongly depending on emissivity settings for infrared signal extraction and evaluation.
Kongjing Li, Gui Yun Tian, Junaid Ahmed
doaj   +1 more source

Extrusion deformation estimation method of oil and gas string basedon AIC-RBF

open access: yesYou-qi chuyun, 2021
It is difficult to measure the deformation of oil and gas strings affected by the ground movement for a long time. In order to solve this problem, an inversion algorithm for extrusion deformation estimation of oil and gas strings based on pulsed eddy ...
Xuanyong ZHOU   +5 more
doaj   +1 more source

Numerical Analysis of Pulsed Eddy Current Testing for Erosion Defects of High-pressure Manifold

open access: yesShiyou jixie, 2023
In fracturing operation, erosional damage easily occurs in high-pressure manifold running for a long time under bad working conditions, and the online testing of high-pressure manifold is particularly important to ensure safe production.Based on pulsed ...
Li Jie   +4 more
doaj  

CFD modelling of a pulsed jet formed during an idealized isolated cough [PDF]

open access: yesE3S Web of Conferences, 2022
The current contribution presents the results of calculations of a pulsed jet formation during a single cough based on the recent test by Fabregat et al. (2021) where the DNS of an idealized isolated cough was performed.
Zasimova Marina   +2 more
doaj   +1 more source

Detection of Fatigue Microcrack Using Eddy Current Pulsed Thermography [PDF]

open access: yesJournal of Sensors, 2021
Microcracks are a common metallic defect, resulting in degradation of material properties. In this paper, specimens with different fatigue microcracks were detected by eddy current pulsed thermography (ECPT). Signal processing algorithms were investigated to improve the detectability and sensitivity; principal component analysis (PCA) and Tucker ...
Xiang Zhang   +6 more
openaire   +1 more source

Magnetic nanoparticle hyperthermia for treating locally advanced unresectable and borderline resectable pancreatic cancers: the role of tumor size and eddy-current heating

open access: yesInternational Journal of Hyperthermia, 2020
Purpose Tumor volume largely determines the success of local control of borderline resectable and locally advanced pancreatic cancer with current therapy. We hypothesized that a tumor-mass normalized dose of magnetic nanoparticle hyperthermia (MNPH) with
Anilchandra Attaluri   +5 more
doaj   +1 more source

Quantitative analysis of subsurface structure cracking using pulsed eddy current nondestructive testing

open access: yesITEGAM-JETIA
This paper presents a three-dimensional finite element method for the nondestructive evaluation of forward problems utilizing the pulsed eddy current technique.
Azizi Hakim   +4 more
doaj   +1 more source

A Composite In-Line Detection Technology for Oil and Gas Pipeline Deformation

open access: yesShiyou jixie, 2021
Deformation detection technology is of great significance to ensure the safety of oil and gas pipelines. Based on the pulsed eddy current ranging principle and the Hall effect, this paper researched the composite in-line detection technology for oil and ...
Li Xiaolong   +6 more
doaj  

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