IEEE Transactions on Plasma Science最新文献

{"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}

{"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}

{"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}

{"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}

{"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}

{"title":"Design and Microfabrication of Transition Waveguides for Traveling Wave Tubes (TWTs)","authors":"Yongtao Li;Xiaoguang Ma;Hanyan Li;Nan Li;Jinjun Feng","doi":"10.1109/TPS.2024.3510789","DOIUrl":"https://doi.org/10.1109/TPS.2024.3510789","url":null,"abstract":"This study aims to design and fabricate transition waveguides operating at a frequency range of 80–110 GHz using aluminum die electroforming. The CST software is used to calculate the relationship between the transition waveguide length and the transmission properties of the transition waveguide. The return loss (<inline-formula> <tex-math>$S_{11}$ </tex-math></inline-formula>) of the transition waveguides is less than −20 dB over the passing band. Aluminum die electroforming is chosen to microfabricate them, and the effects of processing parameters on the quality of the electroformed copper lay have been investigated, such as the electrolyte solution and electroforming current. Dimensional accuracy of the completed transition waveguide is about <inline-formula> <tex-math>$pm 5~mu $ </tex-math></inline-formula> m. The measurement of <inline-formula> <tex-math>$S_{11}$ </tex-math></inline-formula> parameter has been carried out, and test finding shows that the measured <inline-formula> <tex-math>$S_{11}$ </tex-math></inline-formula> is between −25 and −20 dB.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 11","pages":"5487-5492"},"PeriodicalIF":1.3,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142993753","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}

{"title":"Experimental Study on the Effects of Gas Mixture and Barrier Dielectric on the Discharge Characteristics and Plasma-Chemical Reactions of Ar-NH₃ DBD","authors":"Ni Zhao;Hao Tian;Qiang Fu;Xiaowei Wang;Zhengshi Chang","doi":"10.1109/TPS.2024.3514927","DOIUrl":"https://doi.org/10.1109/TPS.2024.3514927","url":null,"abstract":"The barrier dielectric material and carrier gas are the two crucial factors affecting the discharge characteristics and application effect of Ar-NH3 dielectric barrier discharge (DBD). This study aims to experimentally investigate the impact of dielectric constant and NH3 concentration on NH3 decomposition for hydrogen production in a DBD reactor. By analyzing the current waveform, discharge image and optical emission spectrum (OES) of plasma, it is found that the number of discharge current pulses and discharge power increase with increasing the discharge voltage. As the percentage of NH3 increases, the discharge mode transitions from Townsend to glow and filamentary, leading to a gradual decrease in the percentage of NH, NH2, Ar, and other intermediate expressed by their OES intensity. In addition, it is obtained that while both ignition voltage and extinguishing voltage initially decrease then increase with increasing NH3 percentage; however, the former always remains higher than the latter throughout this process. At low NH3 percentages, the Al2O3 reactor exhibits the highest plasma OES intensity due to catalysis effects; however, when using aluminum nitride (AlN) or epoxy resin (EP) as barrier dielectric, factors, such as material surface traps significantly affect the OES intensity of plasma. Furthermore, an increase in dielectric constant results in a corresponding rise in current pulse amplitude while causing the discharge mode to gradually change from Townsend to glow and filamentary. Simultaneously, the line intensity of the products, such as NH and NH2, also increases with increasing the dielectric constant: high dielectric constant group (ZrO2, <inline-formula> <tex-math>$varepsilon _{text {r}} = 37.1$ </tex-math></inline-formula>)> the middle dielectric constant group (Al2O3, <inline-formula> <tex-math>$varepsilon _{text {r}} = 10.2$ </tex-math></inline-formula> and AlN, <inline-formula> <tex-math>$varepsilon _{text {r}} = 9.8$ </tex-math></inline-formula>)> the low dielectric constant group (EP, <inline-formula> <tex-math>$varepsilon _{text {r}} = 6.6$ </tex-math></inline-formula> and quartz, <inline-formula> <tex-math>$varepsilon _{text {r}} = 4.7$ </tex-math></inline-formula>).","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 12","pages":"5506-5514"},"PeriodicalIF":1.3,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143106622","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}

{"title":"Research on the Effect of Pulsed Discharge Plasma With g-C₃N₄ for Water Treatment","authors":"Song Jiang;Haoyu Zhang;Yonggang Wang;Qian Qu;Zhonghang Wu","doi":"10.1109/TPS.2024.3508668","DOIUrl":"https://doi.org/10.1109/TPS.2024.3508668","url":null,"abstract":"Plasma-assisted catalysts for water treatment have attracted increasing attention due to their high energy efficiency. In this article, graphite phase carbon nitride (g-C3N4) is used as a catalyst for synergistic plasma discharge in water treatment. The discharge characteristics of g-C3N4, the generation of H2O2, and the changes in the physical and chemical properties of the catalyst before and after discharge have been studied. The results showed that after adding the catalyst, the current and power were slightly lower than those without the catalyst at the same voltage. However, the amount of H2O2 produced is about twice that of the original under the same processing time. Furthermore, the physical properties of the catalyst showed a significant increase in the relative surface area of g-C3N4 after discharge, while the pore volume of the catalyst also increased. Regarding chemical properties, the oxygen content of g-C3N4 continues to increase after discharge, and the ratio of carbon and nitrogen elements also continues to increase. These changes suggest that the plasma generated by the discharge enhanced the catalytic effect of the g-C3N4. Finally, the treatment of the target pollutant shows that the addition of g-C3N4 resulted in significantly higher degradation efficiency and energy efficiency compared to the absence of g-C3N4.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 11","pages":"5358-5365"},"PeriodicalIF":1.3,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142993532","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}

{"title":"Metallic Layer-Based SPR Biosensor for Mycobacterium Tuberculosis Detection Employing Zinc Oxide and TMDCs Heterostructure","authors":"Yesudasu Vasimalla;Baljinder Kaur;Santosh Kumar","doi":"10.1109/TPS.2024.3496662","DOIUrl":"https://doi.org/10.1109/TPS.2024.3496662","url":null,"abstract":"This article proposes three novel surface plasmon resonance (SPR) sensors designed on the basis of a Kretschmann configuration for mycobacterium tuberculosis (TBs) detection for the first time. The optimized sensor structures are sensor 1: BK7/Ag (55 nm)/ZnO (15 nm)/black phosphorus (BP) (0.53 nm), sensor 2: BK7/Au (50 nm)/ZnO (5 nm)/BP (<inline-formula> <tex-math>$5times 0.53$ </tex-math></inline-formula> nm), and sensor 3:BK7/Ag (55 nm)/ZnO (15 nm)/BlueP/transition metal dichalcogenides (TMDCs) (0.75 or 0.78 nm). For the detection process, ten samples are taken with their refractive indices. This work analyzes the sensor’s performance by exploiting the transfer matrix method with the help of the angular interrogation technique at a wavelength of 633 nm. Initially, the thickness optimization of the metallic layer, ZnO, and TMDC is shown by observing the performance of minimum reflectance and sensitivity. Results declare that sensor 1 achieves sensitivity of 348.18°/RIU, quality factor (QF) of <inline-formula> <tex-math>$154.75~{text {RIU}}^{-1}$ </tex-math></inline-formula>, detection accuracy (DA) of 3.40, and limit of detection (LOD) of <inline-formula> <tex-math>$3.48 times {{10}}^{-6}$ </tex-math></inline-formula>; sensor 2 attains 274.09°/RIU, QF of <inline-formula> <tex-math>$49.03~{text {RIU}}^{-1}$ </tex-math></inline-formula>, DA of 1.08, and LOD of <inline-formula> <tex-math>$3.89times {{10}}^{-6}$ </tex-math></inline-formula>; sensor 3 accomplishes sensitivity of 331.36°/RIU, QF of <inline-formula> <tex-math>$220.91~{text {RIU}}^{-1}$ </tex-math></inline-formula>, DA of 4.86, and LOD of <inline-formula> <tex-math>$3.50times {10}^{-6}$ </tex-math></inline-formula>. A detailed comparison of these innovative SPR sensors’ performance to recently released studies in the field of biomedical applications confirms their outstanding performance.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 11","pages":"5350-5357"},"PeriodicalIF":1.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142993531","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}

{"title":"On the Soliton Solutions in a Self-Gravitating Strongly Coupled Electron–Ion–Dusty Plasma","authors":"Shatadru Chaudhuri;Shahin Nasrin;A. Roy Chowdhury","doi":"10.1109/TPS.2024.3485915","DOIUrl":"https://doi.org/10.1109/TPS.2024.3485915","url":null,"abstract":"The effect of electrostatic strong coupling of dust particles along with their self-gravitational force has been analyzed in a three-component dusty plasma. The electrons and ions form the charge neutral background where the electron distribution is assumed to be Maxwellian while the ion distribution is nonthermal. These days, one of the key topics in plasma physics is nonlinear waves in plasma. By using the reductive perturbation technique to the set of hydrodynamic equation considered for an electron-ion–dusty (e-i-d) plasma, a coupled korteweg-de vries (KdV) equation is derived. The impact of strong coupling and self-gravitation on the solitary wave profiles, nonlinear coefficient, and dispersive coefficient are studied both analytically and by numerical simulation.","PeriodicalId":450,"journal":{"name":"IEEE Transactions on Plasma Science","volume":"52 11","pages":"5439-5450"},"PeriodicalIF":1.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142993769","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}