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IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3519509
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引用次数: 0
Guest Editorial Special Issue on Selected Papers From APCOPTS 2023 《APCOPTS 2023论文精选特刊》
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3506092
Chao Chang
{"title":"Guest Editorial Special Issue on Selected Papers From APCOPTS 2023","authors":"Chao Chang","doi":"10.1109/TPS.2024.3506092","DOIUrl":"https://doi.org/10.1109/TPS.2024.3506092","url":null,"abstract":"","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 10","pages":"4934-4934"},"PeriodicalIF":1.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10816273","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Multi-Excited Electromagnetic Coilgun Using Split Drive Coils
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3516143
Deepak Kaushik;Manish Yadav;M. Joy Thomas
{"title":"A Multi-Excited Electromagnetic Coilgun Using Split Drive Coils","authors":"Deepak Kaushik;Manish Yadav;M. Joy Thomas","doi":"10.1109/TPS.2024.3516143","DOIUrl":"https://doi.org/10.1109/TPS.2024.3516143","url":null,"abstract":"Coilguns offer an exciting option for achieving hypervelocity (<inline-formula> <tex-math>$geq 3$ </tex-math></inline-formula> km/s) launching systems. However, they suffer from low efficiency due to poor coupling between the projectile and the drive coils. The drive coils and the projectile must also sustain high thermal and mechanical stresses. Although, the drive coils can be reinforced to sustain such stress, it is difficult to design the projectile in most of the cases. Therefore, it is imperative to design the coilgun launching system to reduce the thermal and mechanical stresses on the system in addition to achieving higher efficiency. In this work, the authors propose a novel design of an induction coilgun system named as the split drive coilgun. The authors have split the drive coil of the conventional coilgun into inner and outer drive coils. In addition to achieving a higher efficiency and projectile muzzle velocity, the proposed design presents a reduced thermal and mechanical stresses on the system. The authors have compared the conventional coilgun launching system with the split drive coilgun on several performance parameters. In addition, this article also presents simulation results using the current filament method for both systems along with their experimental validation.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 12","pages":"5657-5666"},"PeriodicalIF":1.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143106501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blank Page 空白页
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3518939
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引用次数: 0
Blank Page 空白页
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3519505
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引用次数: 0
Guest Editorial Special Issue on Z-Pinch Plasmas Z-Pinch等离子体特刊
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3513033
Matthew R. Gomez;Nicholas M. Jordan;Ryan D. McBride
{"title":"Guest Editorial Special Issue on Z-Pinch Plasmas","authors":"Matthew R. Gomez;Nicholas M. Jordan;Ryan D. McBride","doi":"10.1109/TPS.2024.3513033","DOIUrl":"https://doi.org/10.1109/TPS.2024.3513033","url":null,"abstract":"","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 10","pages":"4754-4754"},"PeriodicalIF":1.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10816272","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142890346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surface Charging in Different Gaseous Medium in Extremely Nonuniform Electric Fields
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-25 DOI: 10.1109/TPS.2024.3514308
Shelly Saini;Shakthi Prasad D.;Raja Mitra;Rudra Narayan Roy;Barada Kanta Mishra
{"title":"Surface Charging in Different Gaseous Medium in Extremely Nonuniform Electric Fields","authors":"Shelly Saini;Shakthi Prasad D.;Raja Mitra;Rudra Narayan Roy;Barada Kanta Mishra","doi":"10.1109/TPS.2024.3514308","DOIUrl":"https://doi.org/10.1109/TPS.2024.3514308","url":null,"abstract":"The introduction of gaseous insulation in electrical systems played a major role in the evolution of the power industry. It made the systems compact in size and stable during operation. The discharge characteristics of dry air, N2, and CO2 have been extensively studied in the literature, whereas the dc/ac surface charging characteristics in the presence of these gases require further investigation. The present study provides notable insights into the dc/ac surface charging of insulators in dry air, N2, and CO2 due to discharges in extremely nonuniform fields. The corona current pulse and discharge images were also captured to analyze the discharge behavior. The results obtained have been compared with sulfur hexafluoride (SF6) gas. Surface charging is mainly governed by the source type and the medium (gas) where the discharge occurs. Of all the gases studied, CO2 and SF6 perform similarly, exhibiting less discharge but increased surface charge deposition.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 12","pages":"5515-5523"},"PeriodicalIF":1.3,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143106497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review, Simulation, and Comparison of Four Foldable Rectangular-Pulse Generators
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-24 DOI: 10.1109/TPS.2024.3519368
Liang Zhao
{"title":"Review, Simulation, and Comparison of Four Foldable Rectangular-Pulse Generators","authors":"Liang Zhao","doi":"10.1109/TPS.2024.3519368","DOIUrl":"https://doi.org/10.1109/TPS.2024.3519368","url":null,"abstract":"Based on two lines, a switch, and a load, four types of pulse generators can form, which are the single-line generator, the Blumlein-line generator, the double-width-line (DWL) generator, and the cascade-line generator. All these four types of generators have the planar forms and the coaxial forms. In addition, they can be folded to halve the total length. In this article, these four types of generators are reviewed, simulated, and compared. In addition, two kinds of novel folded coaxial rectangular-pulse generators are proposed.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 12","pages":"5622-5632"},"PeriodicalIF":1.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143106389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recognition of Real-Time Dynamic Parameters of Vertical Displacement Based on Neural Network
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-24 DOI: 10.1109/TPS.2024.3517832
Huihui Song;Yuehang Wang;Wangyi Rui;Biao Shen;Qiping Yuan;Bingjia Xiao
{"title":"Recognition of Real-Time Dynamic Parameters of Vertical Displacement Based on Neural Network","authors":"Huihui Song;Yuehang Wang;Wangyi Rui;Biao Shen;Qiping Yuan;Bingjia Xiao","doi":"10.1109/TPS.2024.3517832","DOIUrl":"https://doi.org/10.1109/TPS.2024.3517832","url":null,"abstract":"Vertical position control is crucial for stabilizing the plasma with elongated configurations. Currently, a number of model-based control algorithms, in which the control parameters are designed based on the vertical position response parameters, have been established in different devices and become the solution of future fusion devices’ vertical position stabilization. The vertical response parameters can be calculated from the given scenario with the physical-based response model before the experiments. However, the plasma vertical position’s response varies with changes in plasma configuration, resulting in different control parameter requirements. A real-time estimation of the vertical position response can significantly improve the capability and robustness of the vertical position control. In this article, the neural network (NN) is used to identify the dynamic vertical displacement response parameters in real time. Experiments demonstrate that the NNs accuracy and real-time performance meet the control requirements and would enhance control capabilities.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 12","pages":"5615-5621"},"PeriodicalIF":1.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143106541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization Design of a Wide-Angle Broadband Composite Absorber of Plasma and a Metasurface
IF 1.3 4区 物理与天体物理
IEEE Transactions on Plasma Science Pub Date : 2024-12-19 DOI: 10.1109/TPS.2024.3515163
Xiangchao Mu;Guoxiang Dong;Xiaoping Li;Bowen Bai;Jianzhong Chen;Xiaoming Chen
{"title":"Optimization Design of a Wide-Angle Broadband Composite Absorber of Plasma and a Metasurface","authors":"Xiangchao Mu;Guoxiang Dong;Xiaoping Li;Bowen Bai;Jianzhong Chen;Xiaoming Chen","doi":"10.1109/TPS.2024.3515163","DOIUrl":"https://doi.org/10.1109/TPS.2024.3515163","url":null,"abstract":"This article presents an optimization design method for wide-angle broadband composite absorbers consisting of a plasma and a metasurface. The transmission line (TL) model is employed to present the designed composite absorber, with the minimum reflectivity of the absorber under large angle oblique incidence serving as the optimization objective. A genetic algorithm (GA) is utilized to optimize this composite absorber design. The designed composite absorber combines the absorption capacity of the plasma at low frequencies and the metasurface at high frequencies. Initially, a composite absorber comprising a homogeneous plasma and a metasurface was designed, achieving an attenuation of more than 10 dB for incident electromagnetic waves within the ±45° angle range and in the frequency range of 8–14 GHz. A composite absorber composed of a double Gaussian distribution plasma and a metasurface is subsequently designed, resulting in an attenuation exceeding 10 dB for incident electromagnetic waves within the ±45° angle range and in the frequency range of 6–16 GHz, as well as an attenuation exceeding 60 dB at 12 GHz when vertically incident. A conformal composite absorber consisting of a double-Gaussian distribution plasma and a metasurface is designed; its radar cross section reduction (RCSR) achieves -10 dB in the frequency range of 4–17 GHz compared with that of metal plates. On the basis of these three design examples of composite absorbers, we confirmed the effectiveness of our proposed optimization design method for wide-angle composite absorbers consisting of a plasma and a metasurface. This optimization design method effectively addresses the challenge of designing absorbing structures under complex media coverage, such as plasma.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 12","pages":"5524-5532"},"PeriodicalIF":1.3,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143106498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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