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International Journal of Applied Electromagnetics and Mechanics最新文献

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Eddy current testing in drill-bit tools 钻头工具中的涡流测试
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-12-01 DOI: 10.3233/jae-230130
A. Kyrgiazoglou, Stefanos Gerardis, Dionisis Loizos, Panagiotis-Avgerinos Politis, T. Theodoulidis
{"title":"Eddy current testing in drill-bit tools","authors":"A. Kyrgiazoglou, Stefanos Gerardis, Dionisis Loizos, Panagiotis-Avgerinos Politis, T. Theodoulidis","doi":"10.3233/jae-230130","DOIUrl":"https://doi.org/10.3233/jae-230130","url":null,"abstract":"Machining technology plays a major role in modern manufacturing industries due to the growing demand for equipment and products for aerospace, automotive, precision machinery sectors etc. A key issue associated with any type of machining operation is the accelerated tool wear which leads to shorter tool life, thus to low machining precision and decreased productivity. In this paper an electromagnetic Non-Destructive Testing method (NDT), and in particular Eddy Current Testing (ECT), is used to detect the wear of used cutting tools vs a new one.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":" 39","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138611722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transient thermographic signal analysis for thinning detection in composite plate 用于复合板减薄检测的瞬态热成像信号分析
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-30 DOI: 10.3233/jae-230170
Christophe Reboud, Audrey Vigneron, Anastassios Skarlatos
{"title":"Transient thermographic signal analysis for thinning detection in composite plate","authors":"Christophe Reboud, Audrey Vigneron, Anastassios Skarlatos","doi":"10.3233/jae-230170","DOIUrl":"https://doi.org/10.3233/jae-230170","url":null,"abstract":"Infrared thermography is an imaging technique that can be used to inspect materials for flaws and various degradations in a non destructive way. In this work, we focused on the use of fast models to recover information about the material properties from experimental measurements recorded over time.Two different modelling approaches are compared to each other and to experimental data acquired on a composite plate. Then, the model based inverse problem consisting in estimating the plate properties is discussed.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"262 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138683996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection and prediction of thimble tube defects using artificial neural networks 利用人工神经网络检测和预测顶针管缺陷
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-30 DOI: 10.3233/jae-230132
Tong Wu, Yuanyuan Wang, Xiaoguang Li, Yu Tao, Chaofeng Ye
{"title":"Detection and prediction of thimble tube defects using artificial neural networks","authors":"Tong Wu, Yuanyuan Wang, Xiaoguang Li, Yu Tao, Chaofeng Ye","doi":"10.3233/jae-230132","DOIUrl":"https://doi.org/10.3233/jae-230132","url":null,"abstract":"The reliability of thimble tubes plays a critical role for maintaining the safety of a nuclear power plant. The defect depth needs to be quantified and predicted to support the operational decision-making. This paper presents a method to quantify the defects on thimble tube wall based on the analyzation of eddy current testing (ECT) data. Then, a method using artificial neural network (ANN) to predict the detect depth is studied. The tubes are divided into 2 shapes and four regions according to their positions and the data of each region and each shape is expanded by mean interpolation. A prediction model based on ANN is constructed for each shape in each region. The experimental results show that the model can predict the signal of the next year according to the signal of the previous three years with mean absolute percentage error less than 16%.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"157 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139083944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of dimensional analysis to ECT in the era of NDE 4.0 在无损检测 4.0 时代将尺寸分析应用于 ECT
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-29 DOI: 10.3233/jae-230133
Antonello Tamburrino, Alessandro Sardellitti, Filippo Milano, Vincenzo Mottola, Marco Laracca, Luigi Ferrigno
{"title":"Application of dimensional analysis to ECT in the era of NDE 4.0","authors":"Antonello Tamburrino, Alessandro Sardellitti, Filippo Milano, Vincenzo Mottola, Marco Laracca, Luigi Ferrigno","doi":"10.3233/jae-230133","DOIUrl":"https://doi.org/10.3233/jae-230133","url":null,"abstract":"This paper introduces Buckingham’s 𝜋 theorem in the context of Non-Destructive Testing & Evaluation (NDT&E). Its application leads to easier problems to handle by reducing the number of variables involved. In this sense, dimensional analysis can provide the foundation for in-line, real-time and low-cost inspection methods that are fully compatible with the requirements of the Industry 4.0 and NDE 4.0 paradigms. In order to show the impact of the Buckingham’s 𝜋 theorem in NDT&E, we consider a practical case of interest, i.e. the simultaneous estimation of thickness and electrical conductivity of metallic plates via Eddy Current Testing. An initial numerical analysis is carried out with the aim to show the metrological performance of the method. The results obtained show that the method combines good accuracy with low computational costs.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"55 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138683999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of shielding of eddy current probes on the sensitivity for sweep frequency measurements 涡流探头的屏蔽对扫频测量灵敏度的影响
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-29 DOI: 10.3233/jae-230138
Arjun A.R., B. Sasi, Anish Kumar
{"title":"Effect of shielding of eddy current probes on the sensitivity for sweep frequency measurements","authors":"Arjun A.R., B. Sasi, Anish Kumar","doi":"10.3233/jae-230138","DOIUrl":"https://doi.org/10.3233/jae-230138","url":null,"abstract":"Eddy current measurements are prone to edge effects when measurements are carried out near a sample boundary. In order to reduce these edge effects, typically ferrite shields are used which constrain the magnetic field within the shield volume. However, their effects on sensitivity towards changesin conductivity for Sweep Frequency Eddy Current (SFEC) measurements have not been investigated. A 2D axisymmetric Finite Element Model (FEM) has been developed to predict the frequency response of impedance of SFEC probes. The model predicted that the addition of shields minimized edge effect but with reduced sensitivity. A simulation study is carried out to optimize the probe design to increase the sensitivity of shielded ferrite probes. Based on these results, a probe is constructed with a custom ferrite shield and its shielding efficiency and probe sensitivity are compared experimentally with those for the probe with conventional ferrite shields.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"43 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139084287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coupled electric circuits method applied to pulsed eddy current NDT problem 耦合电路法应用于脉冲涡流无损检测问题
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-29 DOI: 10.3233/jae-230141
Ferroudja Bouali, Hassane Mohellebi
{"title":"Coupled electric circuits method applied to pulsed eddy current NDT problem","authors":"Ferroudja Bouali, Hassane Mohellebi","doi":"10.3233/jae-230141","DOIUrl":"https://doi.org/10.3233/jae-230141","url":null,"abstract":"The present work concerns the study of the effect of variation of the thickness of 2D cylindrical test-piece and lift-off (the air gap between the sensor and the test-piece) on the sensor response in case of transient source current. The coupled circuit’s method employed is based on the mutual’s inductances calculation and with the association to Kirchhoff laws it yields to a transient algebraic equations system which is solved at each time step. The method is applied to the study of the pulsed eddy currents in cylindrical and axisymmetric device with electrical conductivity and geometrical dimensions variations.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"76 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139210612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Real-time identification of small anomalies from scattering matrix without background information 从无背景信息的散射矩阵中实时识别小型异常点
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-29 DOI: 10.3233/jae-230113
Won-Kwang Park
{"title":"Real-time identification of small anomalies from scattering matrix without background information","authors":"Won-Kwang Park","doi":"10.3233/jae-230113","DOIUrl":"https://doi.org/10.3233/jae-230113","url":null,"abstract":"Several researches have confirmed the possibility of localizing small anomalies via Kirchhoff migration (KM); however, when the background information is unknown, small anomalies cannot be satisfactorily retrieved. This fact can be examined through the simulation results; however, related theoretical result to explain the reason of such phenomenon has not yet been investigated. In this contribution, we show that the imaging function of the KM can be expressed by an infinite series of the Bessel function of the first kind, material properties, and antenna arrangement, and applied alternative value of the background wavenumber. Based on the theoretical result, we explain why the exact location and shape of anomalies cannot be retrieved. The simulation results with synthetic data exhibited to support the theoretical result.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"213 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139555504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single-structured zero-bias hybrid gas-magnetic bearing and its rotordynamic performance 单结构零偏置混合气磁轴承及其旋转动力性能
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-28 DOI: 10.3233/jae-230042
Qing Liu, Ruihuan Ge, Li Wang, Tianming Ren, Ming Feng
{"title":"Single-structured zero-bias hybrid gas-magnetic bearing and its rotordynamic performance","authors":"Qing Liu, Ruihuan Ge, Li Wang, Tianming Ren, Ming Feng","doi":"10.3233/jae-230042","DOIUrl":"https://doi.org/10.3233/jae-230042","url":null,"abstract":"A single-structured hybrid gas-magnetic bearing (HGMB) has been proposed for frequent start/stop occasions, which eliminates foil structures or static pressure systems by using the closed magnetic poles of the active magnetic bearing (AMB) as the bushing of the gas bearing. This allows the proposedbearing to realize the functions of both AMB and gas bearing with a single bearing structure. In this paper, the bias currents of AMB, aimed for enhanced load capacity and dynamic characteristics, are omitted to reduce power consumption and heat. The combination of zero-bias AMB and rigid self-acting gas bearing in a single bearing structure is therefore proposed. The rotor orbits of gas bearing, AMB, single-structured HGMB, and single-structured zero-bias HGMB in conditions of varied horizontal and vertical external loads are simulated. The dynamic performances during the run-up processes of AMB, HGMB, and zero-bias HGMB are investigated. The electromagnetic forces of each kind of bearing are compared. Numerical results demonstrate that by applying the single-structured zero-bias HGMB, the power consumption can be significantly reduced in contrast with pure AMB and single-structured HGMB. The reduced load capacity and dynamic characteristics of zero-bias AMB can be compensated by the rigid self-acting gas bearing, making the single-structured zero-bias HGMB an ideal candidate for cryogenic, ultra-high speed as well as frequent start/stop occasions.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"10 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138683916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-mode wideband antenna based on multi-mode resonator 基于多模谐振器的多模宽带天线
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-28 DOI: 10.3233/jae-230116
Rui Wu, Jianhong Lin, Shuting Cai
{"title":"Multi-mode wideband antenna based on multi-mode resonator","authors":"Rui Wu, Jianhong Lin, Shuting Cai","doi":"10.3233/jae-230116","DOIUrl":"https://doi.org/10.3233/jae-230116","url":null,"abstract":"A multi-mode wideband antenna based on multi-mode resonator is proposed with stable radiation patterns, which is composed of metal radiators, parasitic resonators, shorted patches fed by the U-shaped feedline, and a box-shaped reflector. A prototype of the proposed antenna is designed, fabricated,and tested. Measured results show that the antenna achieves an impedance bandwidth of 37.5% (0.67–0.98 GHz) for |S11| < −15 dB, a half-power beam width (HPBW) of 67.5 ± 2.4 degree at H-plane (horizontal plane), and a gain of 8.0 ± 0.5 dBi. Furthermore, the cross-polarization discrimination (XPD) is more than 15 dB at 0 degrees and at least 11.2 dB within ±60 degrees at H-plane, respectively. The proposed antenna can be used in the modern communication systems for LTE700/GSM850/GSM900.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"69 2","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138503711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Skin sarcoma stage detection using antenna resonant scale 利用天线谐振尺度进行皮肤肉瘤分期检测
IF 0.6 4区 工程技术
International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-11-28 DOI: 10.3233/jae-230048
Dozohoua Silue, Mondher Labidi, Fethi Choubani
{"title":"Skin sarcoma stage detection using antenna resonant scale","authors":"Dozohoua Silue, Mondher Labidi, Fethi Choubani","doi":"10.3233/jae-230048","DOIUrl":"https://doi.org/10.3233/jae-230048","url":null,"abstract":"In this paper, a small antenna is proposed to diagnose skin sarcoma at an embryonic stage. The antenna has an area of 30.54 × 15.27 mm2 and resonates at 1429 MHz with a reflection coefficient of −17.64 dB. The structure consists of a 35 μm copper sheet etched on a 1.6 mm FR-4 substrate. The diagnosis is based on the resonance frequency shift, and the SAR (Specific Absorption Rate) variation when the antenna is positioned on malignant tissue. For the simulations, a three-layer body phantom (skin, fat, muscle), and a half-sphere tumor phantom were considered. Simulations of the antenna performances showed that for a tumor of 100 μm, the resonant frequency, and the SAR decrease by 2 MHz, and 1.09 mW/Kg, respectively. In addition to sarcoma detection, the antenna’s 3.6 dBi gain allows for 124.47 m biomedical communication links in a complex environment.","PeriodicalId":50340,"journal":{"name":"International Journal of Applied Electromagnetics and Mechanics","volume":"13 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138683998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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