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Journal articles on the topic 'Discharge pulse technology'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Eshpulatov, Nodir, Tolib Khalmuradov, Rakhmаnberdi Khalilov, Abdulkhay Obidov, Sobir Nurmanov, and Dilmurat Omonov. "Theoretical substantiation of the influence of electric pulse processing on the process of obtaining juice from grapes and fruits." E3S Web of Conferences 264 (2021): 04086. http://dx.doi.org/10.1051/e3sconf/202126404086.

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The article presents the theoretical basis of the effect of electrical pulse processing on the process of obtaining juice from grapes and fruits. High-voltage pulsed electrical processing technology for biological products has a higher damaging effect on living cells than other electrical effects, and this can be achieved due to the passage of large discharges of current through tissues and cells in a short period of time. It has been found that high efficiency in killing living cells by secretion can be achieved as a result of a pulsed energy effect. In order to develop energy-efficient elect

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2

Ljutenko, L. A., and V. M. Mikhailov. "Expansion of cylindrical tubular workpieces on high-voltage magnetic-pulse installation with controlled vacuum discharger." Electrical Engineering & Electromechanics, no. 3 (June 23, 2021): 42–46. http://dx.doi.org/10.20998/2074-272x.2021.3.07.

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Purpose. An experimental verification of the existence of a range of values for the parameters of the capacitive energy storage of the magnetic-pulse installations with controlled vacuum discharger, in which, with a high probability, there is a «cut» of the discharge current pulses and the expansion of cylindrical thin-walled tubular workpieces using an external coil. Methodology. High voltage magnetic-pulse installation of NTU «KhPI» with controlled vacuum discharger, multiturn coil with inside dielectrical die and inside aluminum alloy workpiece are used. The capacitance and charge voltage o

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3

Shydlovska, N. A., S. M. Zakharchenko, and O. P. Cherkaskyi. "FEATURES OF TRANSIENTS IN SECOND-ORDER CIRCUITS WITH A NONLINEAR MODEL OF SPARK-EROSION LOAD UNDER CONDITIONS OF FORCED LIMITATION OF THEIR DURATION." Tekhnichna Elektrodynamika 2022, no. 6 (2022): 3–12. http://dx.doi.org/10.15407/techned2022.06.003.

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In the Mathlab Simulink software environment a model of a second-order discharge-pulse system with a nonlinear de-scription of the equivalent electrical resistance of a spark-erosion load was created. Under conditions of forced limita-tion of the duration of discharge pulses for a series of values of the inductance and capacitance of the discharge circuit, as well as the initial conditions in them, transients in the system are calculated. In groups of modes with fixed values of the initial voltage on the working capacitor and in groups of modes with fixed values of voltage amplitude of the fre

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L., A. Ljutenko, and M. Mikhailov V. "Expansion of cylindrical tubular workpieces on high-voltage magnetic-pulse installation with controlled vacuum discharger." Electrical Engineering & Electromechanics, no. 3 (June 25, 2021): 42–46. https://doi.org/10.20998/2074-272X.2021.3.07.

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<strong><em>Purpose</em></strong><em>. An experimental verification of the existence of a range of values for the parameters of the capacitive energy storage of the magnetic-pulse installations with controlled vacuum discharger, in which, with a high probability, there is a «cut» of the discharge current pulses and the expansion of cylindrical thin-walled tubular workpieces using an external coil.<strong> Methodology</strong>. High voltage magnetic-pulse installation of NTU «KhPI» with controlled vacuum discharger, multiturn coil with inside dielectrical die and in

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5

Li, Jie, Yi Liu, Xi Li, et al. "Characteristics of pulsed nanosecond discharge excited by compact solid-state pulse forming line at atmospheric pressure air." Journal of Physics D: Applied Physics 55, no. 14 (2022): 145203. http://dx.doi.org/10.1088/1361-6463/ac3e2a.

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Abstract Non-equilibrium plasma is a promising technology for the generation of ozone and removal of exhausted fuel gases. However, applications of non-equilibrium plasma are restricted by energy utilization efficiency in many industry fields. Discharge excited by nanosecond pulsed power is regarded as one of the most efficient methods. In this study, a compact five stages stacked Blumlein pulse forming line and photoconductive semiconductor switches-based power source was introduced to generate pulsed plasma. This compact source could achieve over 50 kV with 10.1 ns pulse width and 4.8 ns pul

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6

Sokolov, N. S. "Discharge-pulse Geotechnical Electro Discharge Technology of Bases Strengthening." Stroitel'nye Materialy 787, no. 12 (2020): 63–65. http://dx.doi.org/10.31659/0585-430x-2020-787-12-63-65.

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The problem of increasing the bearing capacity of the base is an relevant problem in modern geotechnical construction. When significant loads are transmitted to the base, the use of traditional technologies is not always justified. Often there is an urgent need to use non-standard ways to strengthen the bases. In many cases, the geotechnical situation is aggravated by the presence of weak underlying layers with unstable physical and mechanical characteristics in engineering-geological sections. When strengthening such bases with the help of traditional piles, the latter can get negative fricti

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Nussupbekov, B. R., A. K. Khassenov, D. Zh Karabekova, U. B. Nussupbekov, M. M. Bolatbekova, and M. Stoev. "Coal pulverization by electric pulse method for water-coal fuel." Bulletin of the Karaganda University. "Physics" Series 96, no. 4 (2019): 80–84. http://dx.doi.org/10.31489/2019ph4/80-84.

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In the article describes the electrohydraulic method as a source of high energy concentration for the disintegration of the components of water-coal fuel in an aqueous medium under the action of pulsed discharges. The proposed method of grinding coal is based on the use of pulsed shock wave energy resulting from a spark electric discharge in a liquid. The essence and distinctive feature of the proposed technology is that the processing of the material using the energy of the shock wave released with electrohydraulic action allows to obtain a quickly crushed product of a given size. The degree

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Pevtsov, Valeria, Nathan D. Jacob, and Behzad Kordi. "Evaluation of Erosion Discharge Characteristics in Inclined Plane Tracking and Erosion Tests on Silicone Rubber under AC and DC Voltages." Energies 14, no. 19 (2021): 6051. http://dx.doi.org/10.3390/en14196051.

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This paper investigates partial discharge (PD) characteristics that lead to the erosion of silicone rubber (SR) polymer under AC stress and DC stress of both polarities. The experiments are performed on high temperature vulcanized (HTV) SR material samples. The inclined plane test apparatus, constructed in accordance with IEC 60587 requirements, is employed to produce the surface partial discharges and the resulting accelerated aging of the specimens. Two commercial instruments are used to obtain the PD data. A concurrent analysis of visual observations of discharge and PD data is performed to

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Li, Handong, Yutai Li, Xinxin Wang, Xiaobing Zou, Peng Wang, and Haiyun Luo. "Investigation of the microsecond-pulse acoustic wave generated by a single nanosecond-pulse discharge." Physics of Plasmas 29, no. 5 (2022): 053508. http://dx.doi.org/10.1063/5.0085748.

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A single nanosecond-pulse discharge can produce a high-intensity pulsed acoustic wave. The pulse width of the acoustic wave is much wider than that of the current, more than 20 μs at 30 cm from the source, which is the basis of synthesizing low-frequency sound by repetitively nanosecond-pulse discharges. The investigations of electroacoustic characteristics and the sound formation process of the single nanosecond-pulse discharge are vital to advance this technology. In this paper, an experimental platform for the single nanosecond-pulse discharge was built, and time-domain waveforms of the vol

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10

Yao, Jian-tao, Sheng Wang, Yong Zhou, and Hui Dong. "Effects of the Power Supply Mode and Loading Parameters on the Characteristics of Micro-Arc Oxidation Coatings on Magnesium Alloy." Metals 10, no. 11 (2020): 1452. http://dx.doi.org/10.3390/met10111452.

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Micro-arc Oxidation (MAO) is a technology for non-ferrous metal surface treatment through growth ceramic coating in situ. To determine the influence of the power supply mode and the loading parameters on the film forming of magnesium alloy micro-arc oxidation processing, the different power supply modes of pulsed direct current DC, pulsed bipolar current (BC) and the pulsed with a discharge loop current (DLC) was used with MAO technology on the AZ91D magnesium alloy. The power load parameters were optimized. The average energy consumption was calculated. Results showed that the role of the neg

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Syahrullail, Samion, M. Daud Razak, Norzahir Sapawe, Azli Yahya, and Nugroho Kartiko. "Effect of Low Current for Machining Pit Using Electrical Discharge Machine." Applied Mechanics and Materials 554 (June 2014): 180–84. http://dx.doi.org/10.4028/www.scientific.net/amm.554.180.

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Electric Discharge Machining Die sinker (EDM DS) is an established technology for surface modification. In this study, experiment were conducted using electrical discharge machine die sinker ZNC to investigate the effect of low pulse current rates to produce pits on SKD 11 (tool steel). Various parameters are considered during machining such as pulse current, gap voltage and dicharge time. Experiments were performed by three pulsed current levels (0.5A, 1.5A and 3.0A). The hollow copper rod as electrode with diameter 0.5mm is used to make spark surface of SKD 11. The experimental result reveal

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12

Muzafarov, Sh M., V. E. Balitsky, B. K. Togaev, A. Babayev, and O. Kilichov. "Analysis of the double-side power supply for electronic-ion technology devices with pulse voltage." IOP Conference Series: Earth and Environmental Science 1142, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1755-1315/1142/1/012012.

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Abstract This article provides an analysis of existing high voltage power supply devices for devices of electron-ion technology, in particular devices for cleaning gases from aerosol particles. Advances in this technology are described. The following are the disadvantages of the electric fields of a corona discharge when powered by a constant high voltage. To increase the efficiency of catching aerosol particles, the authors propose to combine self-sustained and non-sustained discharges in one discharge gap. To do this, it is proposed to use unipolar high-voltage pulses with a constant compone

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Bozhko, I. V., V. I. Zozuljov, and V. V. Kobylchak. "SOS-GENERATOR FOR THE ELECTRIC DISCHARGE TECHNOLOGY USED PULSE BARRIER DISCHARGE." Tekhnichna Elektrodynamika 2016, no. 2 (2016): 63–68. http://dx.doi.org/10.15407/techned2016.02.063.

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14

Wang, Xu-Cheng, and Yuan-Tao Zhang. "Modeling of discharge characteristics and plasma chemistry in atmospheric CO₂ pulsed plasmas employing deep neural network." Journal of Applied Physics 133, no. 14 (2023): 143301. http://dx.doi.org/10.1063/5.0143741.

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In recent years, non-thermal plasma technology has emerged as one of the most promising candidates for decomposing [Formula: see text]. The fluid model, a powerful tool to investigate the plasma dynamics, is computationally costly in simulating complex [Formula: see text] plasma with tens of particles and hundreds of reactions, especially driven by short pulsed voltages. In this paper, a deep neural network (DNN) is proposed to describe the discharge characteristics and plasma chemistry of [Formula: see text] pulsed discharge at atmospheric pressure. The DNN is trained using the simulation dat

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Bereka, V. O., I. V. Bozhko, and I. P. Kondratenko. "RESEARCH OF ENERGY EFFICIENCY OF PROCESSING BY PULSE BARRIER DISCHARGE OF WATER IN A DROP-FILM STATE." Tekhnichna Elektrodynamika 2021, no. 3 (2021): 50–57. http://dx.doi.org/10.15407/techned2021.03.050.

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The energy efficiency of a pulsed barrier discharge in air was investigated when it treated a model water sample in a drop-film state containing an organic dye (methylene blue) with an initial concentration of 50 mg/l. The water consumption was 4 l / min, the characteristic droplet diameter was ~1 mm. Water treatment was carried out in a coaxial discharge chamber with a gas gap of 3.2 mm and additionally in an ozonation chamber. The discharge was generated by short ~ 100 ns voltage pulses of ≈26 kV, which provided a current density with an amplitude of ≈1.3 A/cm2 and a pulse energy of ≈ 140 mJ

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Kiełbasa, Paweł, Tomasz Dróżdż, and Ernest Popardowski. "Influence of Coniferous Wood Conditioning by Pulsed Electric Field on Its Combustion Heat Characteristics." Applied Sciences 11, no. 3 (2021): 983. http://dx.doi.org/10.3390/app11030983.

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The article presents the impact of sawdust conditioning from coniferous trees with a pulsed electric field (PEF) on the characteristics of the combustion heat. The study used four variants of electric field parameters, i.e., (I) 300 discharges with an electric field intensity of 25 kV·cm−1, (II) 150 discharges with an electric field intensity of 25 kV·cm−1, (III) 300 discharges with an electric field intensity of 30 kV·cm−1, (IV) 150 discharges with an electric field intensity of 30 kV·cm−1. It should be noted that the interval between successive discharges was 10 sec and it was constant for e

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17

Gao, Ji, Xiao Fang Ma, and Qing Yang Liu. "Software Design of Pulse Generator Based on Single-Chip Computer and CPLD." Applied Mechanics and Materials 201-202 (October 2012): 218–21. http://dx.doi.org/10.4028/www.scientific.net/amm.201-202.218.

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The purpose of this article is to study and devise pulse signal source of electrical discharge machining(EDM). The technology of EDM is the necessary key technology in various processing methods. Electrical discharge machining pulse power aims to convert the industrial frequency alternating current into certain frequencies pulse current to supply energy for electrode discharging to removal metal. Pulse power generator, controlled by an embedded MCU, can produce high voltage or low voltage discharge pulse waveform. After the research on characteristics and principles of many pulse powers, a nov

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18

Chao, Yei-Chin, Tzu-Wei Chang, and Yu-Pei Chan. "The Reattachment Process of a Lifted Jet Diffusion Flame by Repetitive DC Pulse Discharges." Processes 9, no. 3 (2021): 534. http://dx.doi.org/10.3390/pr9030534.

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On research of plasma assisted combustion, effects of electric and plasma discharges in DC, AC and pulse forms on reattachment of a lifted flame have attracted extensive attention. However, the detailed plasma assisted reattachment process and mechanism and roles of induced corona discharge and corona-induced ozone on the reattachment process are still unclear and undocumented. The forced reattachment process of a lifted diffusion jet flame by repetitive DC electric pulse discharges was experimentally investigated in this study using high-speed flame imaging, conditioned particle image velocim

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19

Zhang, Xiang Jin, and Na Shen. "Pulse Power Supply Control System." Applied Mechanics and Materials 130-134 (October 2011): 2143–46. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2143.

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A novel pulse power supply charge and discharge automation control program is proposed. The program is based on optical encoder communication mode power supply switch trigger technology. According to the requirements of control system and through the analysis of high power charge and discharge characteristics of pulse power, the whole design for the control system (multiple channels) is completed.

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Bereka, V. O., I. V. Bozhko, O. M. Karlov, and I. P. Kondratenko. "COORDINATION OF PARAMETERS OF THE POWER SOURCE AND THE WORKING CHAMBER FOR WATER TREATMENT WITH PULSE BARRIER DISCHARGE." Tekhnichna Elektrodynamika 2023, no. 4 (2023): 81–88. http://dx.doi.org/10.15407/techned2023.04.081.

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To determine the mutually agreed parameters of the output link of the generator of short (~100 ns) pulses with a working chamber, in which water is treated in the droplet-film state by a pulsed barrier discharge, an approximate mathematical model was developed that describes the transient processes in the circuit. The reliability of the model is confirmed by experimental data. The optimal parameters of the capacitance of the dielectric barrier and magnetic keys were calculated, according to which the efficiency of energy transfer to the working chamber reaches 62%. It is shown that it largely

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Starikovskiy, Andrey, Nickolay Aleksandrov, and Aleksandr Rakitin. "Plasma-assisted ignition and deflagration-to-detonation transition." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 370, no. 1960 (2012): 740–73. http://dx.doi.org/10.1098/rsta.2011.0344.

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Non-equilibrium plasma demonstrates great potential to control ultra-lean, ultra-fast, low-temperature flames and to become an extremely promising technology for a wide range of applications, including aviation gas turbine engines, piston engines, RAMjets, SCRAMjets and detonation initiation for pulsed detonation engines. The analysis of discharge processes shows that the discharge energy can be deposited into the desired internal degrees of freedom of molecules when varying the reduced electric field, E / n , at which the discharge is maintained. The amount of deposited energy is controlled b

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Khabarov, Kirill, Maxim Urazov, Anna Lizunova, Ekaterina Kameneva, Alexey Efimov, and Victor Ivanov. "Influence of Ag Electrodes Asymmetry Arrangement on Their Erosion Wear and Nanoparticle Synthesis in Spark Discharge." Applied Sciences 11, no. 9 (2021): 4147. http://dx.doi.org/10.3390/app11094147.

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For nanoparticle synthesis in a spark discharge, the influence of the degree of electrode asymmetry in the rod-to-rod configuration, using the example of silver electrodes, on the energy efficiency and nanoparticle composition is studied. The asymmetry degree was determined by the angle between electrodes’ end faces. Two types of discharge current pulses were used: oscillation-damped and unipolar, in which electrodes changed their polarities and had a constant polarity during a single discharge, respectively. A significant influence of the asymmetry degree of the electrode arrangement on the s

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Ivankov, Anton S., Anastasia M. Kozhevnikova, Dmitry V. Schitz, and Igor V. Alekseenko. "Investigation of Nonthermal Plasma Jet Excitation Mode and Optical Assessment of Its Electron Concentration." Applied Sciences 11, no. 19 (2021): 9203. http://dx.doi.org/10.3390/app11199203.

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The results of a study of a plasma jet of atmospheric-pressure helium driven by a capacitive discharge using sine and pulsed modes of excitation are presented. The homogeneous discharge of a multi-channel plasma jet at gas temperature of 34 °C and helium flow rate of 0.5 L/min was achieved with short pulse excitation. A digital holography method is proposed to estimate a basic plasma parameter, i.e., its electron concentration. An automated digital holographic interferometry set-up for the observation and study of a nonthermal plasma jet in a pulse mode is developed and described. The synchron

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Vazhov, Vladislav M., Sergey Y. Datskevitch, Mikhail Y. Zhurkov, Vasily M. Muratov, and Arild Rødland. "Multiple Rock Breakdown in Electrodischarge Technology." Key Engineering Materials 712 (September 2016): 55–59. http://dx.doi.org/10.4028/www.scientific.net/kem.712.55.

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The article covers the research of the electric strength and fracture of rocks that are undergone multiple breakdowns generated by electric discharge rock fracture and drilling technologies. The research outcomes allow proposing an experimental technology able to determine operating high voltage pulse values in the electric discharge drilling process where one should take into account such factors as the rock re-crushing and the drill bit shift cyclicity.

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Voitenko, Nikita V., Artem S. Yudin, and Natalia S. Kuznetsova. "Application of Electro-Discharge Blasting Technology for Destruction of Oversized Rocks and Rock Massive Splitting off." Key Engineering Materials 712 (September 2016): 15–19. http://dx.doi.org/10.4028/www.scientific.net/kem.712.15.

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The investigation of possibilities of the plasma blasting technology is considered. The method is based on the initiation of a pulsed electric discharge inside the solid dielectric material. The expanding plasma channel generates a shock wave which in the vicinity of the channel (1–2 mm) transforms into the elastic wave with an expressed region of tensile tangential stresses that in turn stimulate the radial crack nucleation. The efficiency of solid destruction at shock-wave action strongly depends on the pulse parameters. The high-current pulse must fulfil the requirements to such parameters:

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Friebe, Kerstin, and Frank Jenau. "Trichel Pulse Analysis: Physical Calculation and Validation by Using Broadband Measurements." Energies 14, no. 15 (2021): 4512. http://dx.doi.org/10.3390/en14154512.

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Partial discharge measurement is part of the monitoring of equipment in power engineering systems. It provides important information about the condition of the equipment and in particular the condition of the insulation components. This information serves to take necessary preventive measures at an early stage to avoid failures of the affected energy system and thus ensure a high level of energy supply security. Possible causes of partial discharges in energy technology equipment include high field strengths at edges with small radii or defects within insulation materials itself. Depending on

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Oboturova, Natalia, Andrey Naghdalyan, Andrey Blinov, Igor Baklanov, Valeria Chestnykh, and Andrey Sklyuev. "Effectiveness Assessment of the Electrophysical and Acoustic Methods of Water Purification and Wastewater Treatment in the Food Industry." Food Industry 7, no. 3 (2022): 65–82. http://dx.doi.org/10.29141/2500-1922-2022-7-3-8.

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The thesis concerns the study results of the water acoustic treatment influence on its physico-chemical properties. Besides, the authors present the wastewater treatment results of food industry enterprises using superadditive pulse discharge technology with the acoustic treatment. The obtained results demonstrated that the studied technology had a bactericidal effect, reduced the biochemical oxygen consumption rate and the content of fats, nitrites, nitrates, phosphates, ammonium ions in wastewater significantly. The chemical oxygen consumption did not change compared to the control sample, a

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Zhu, Yong Wei, Jian Shao, and Hong Zheng Chen. "Ultrasonic Modulating Compound Discharge – Electrochemical Micro-Fine Machining Technology and its Applications." Key Engineering Materials 609-610 (April 2014): 807–12. http://dx.doi.org/10.4028/www.scientific.net/kem.609-610.807.

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A new micro-fine manufacturing method is proposed, that is the ultrasonic modulating compound synchronous pulse electro-discharged and electrochemical machining. By the micro-fine machining way, the μm-level precision may be acquired. The low voltage, the low electric conductivitys working fluid mixed with the nm powders is used, as the ultrasonic vibration effect and the nm powders' catalyst effect between the electrodes, the micro-spark electro-discharged and the micro-electrolysis machining can be realized, the micro electro-discharged sparks can remove the electrolytic passivation film on

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Man, Yu Yan, Chi Zhang, Xiao Guang Xi, et al. "Onsite Detection Technology and its Application for Electric Cable Partial Discharge." Advanced Materials Research 945-949 (June 2014): 2145–49. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2145.

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This paper introduces the electric cable partial discharge detection technology and elaborates pulse waveform characteristics of cable partial discharge, PD signal’s detection theory and basic method of cable PD source localization. On this basis, application examples of substation cable-site detection are given.

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Wang, Xiaodong, Pingjian Liu, Yixuan Sun, and Wenqi Wang. "Study on Breaking Concrete Structures by Pulse Power Technology." Buildings 12, no. 3 (2022): 274. http://dx.doi.org/10.3390/buildings12030274.

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Using pulse power technology to break concrete structures can reduce environmental pollution, save energy, and increase safety and reliability. The whole process of concrete beam subjected to shock wave generated by pulse power discharge was simulated and analyzed. An experiment of breaking reinforced concrete beams by metal wire explosion in liquid was carried out. And the main parameters are pulse power discharge voltage, copper wires section size, concrete beam material strength, drilling parameters, etc. The results show that with the increase of discharge voltage and the total area of cop

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Panorel, Iris, Iakov Kornev, Henry Hatakka, and Sergei Preis. "Pulsed corona discharge for degradation of aqueous humic substances." Water Supply 11, no. 2 (2011): 238–45. http://dx.doi.org/10.2166/ws.2011.045.

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The research into oxidation of aqueous humic substances (HS) with pulsed corona discharge (PCD) was undertaken to estimate the energy efficiency of the treatment. The PCD system consists of a voltage pulse generator and reactor, in which the gas-phase discharge generating OH radicals and ozone treats the water showered between electrodes. The influence of HS initial concentration, pulse repetition frequency, water flow rate, and the atmosphere composition was evaluated by the decrease in total organic carbon (TOC) and color. The PCD treatment reduced TOC by 40 to 50% and the color by up to 97%

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Jia, Yun Hai, Jian Mei Guo, Yan Guo, and Fan Yu. "Research on Micro-Size Electrical Discharge Machining Polycrystalline Diamond." Materials Science Forum 943 (January 2019): 14–19. http://dx.doi.org/10.4028/www.scientific.net/msf.943.14.

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With the demand of modern cutting technology for ‘high efficiency, precise, flexibility and green manufacturing’, polycrystalline diamond materials as cutting tools have been widely used in automobile, aerospace and non-metal processing. Electro-spark erosion is one of the most effective ways to machine polycrystalline diamond materials. Single pulse discharge is one of the research foundations of micro-EDM. Using 2 micron granularity polycrystalline diamond as experiment material, the influence of single pulse discharge technology on the removal efficiency of materials was studied, such as pi

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Lee, Lawrence H., Adam J. Arnold, Cutberto A. Santillan, Monica B. Emelko, Sarah E. Dickson, and Jen-Shih Chang. "Bench-Scale Disinfection of Bacteria and Viruses with Pulsed Arc Electrohydraulic Discharge." Water Quality Research Journal 43, no. 1 (2008): 77–84. http://dx.doi.org/10.2166/wqrj.2008.010.

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Abstract Pulsed arc electrohydraulic discharge (PAED) offers concurrent treatment of chemical and microbial target compounds in water by several mechanisms. Here, Escherichia coli, Bacillus subtilis spore, and MS2 bacteriophage inactivation by PAED were investigated using two bench-scale reactors (0.7 and 3 L). A plasma channel was created between a pair of iron electrodes set 0.5 mm apart in these reactors. Pulsed applied voltage was supplied at approximately 0.3 kJ/pulse (~100 µsec). In the 0.7-L reactor, median E. coli, B. subtilis, and MS2 reductions of 2.4-, 4.6-, and 3.7-log, respectivel

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Mr. Anand B. Kumbhar, Mr. Soham. S. Gurav, Dr. Swapnil M. Hirikude, and Mrs. Deshmukh Shubhangi C. "Desulfation of Lead Acid Battery with Pulse Charging." International Research Journal on Advanced Engineering Hub (IRJAEH) 3, no. 07 (2025): 3095–100. https://doi.org/10.47392/irjaeh.2025.0456.

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Lead acid batteries are prone to capacity loss and premature failure due to sulfation, the accumulation of lead sulfate crystals on the battery plates during prolonged discharge or undercharging. This paper explores the use of pulse charging as an effective desulfation technique to restore battery capacity and extend service life. Pulse charging involves applying high-frequency electrical pulses to break down lead sulfate crystals and facilitate their dissolution back into the electrolyte. Experimental studies demonstrate that this method can significantly improve battery performance, with cap

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Wang, Xiaodong, Ningjing Li, Jiaxu Du, and Wenqi Wang. "Concrete crushing based on the high-voltage pulse discharge technology." Journal of Building Engineering 41 (September 2021): 102366. http://dx.doi.org/10.1016/j.jobe.2021.102366.

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Li, Yao, Liang Qin, Dezheng Yang, Li Zhang, and Wenchun Wang. "The Effect of Voltage Pulse Shape on the Discharge Characteristics in the Packed Bed Reactor under Air and Nitrogen." Applied Sciences 12, no. 4 (2022): 2215. http://dx.doi.org/10.3390/app12042215.

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In this paper, the packed bed dielectric barrier discharge (DBD) with needle-plate electrode configuration is presented to study the effects of electrical parameters, such as pulse duration and pulse rising and falling time, on discharge characteristics under air and nitrogen. The waveforms of the voltage and the discharge current, discharge evolution images, and the emission spectral of N2 (C3Пu → B3Пg) and N2+ (B2Σu+ → X2Σg+) are collected to investigate the discharge current, as well as the spatial distribution of the discharge modes and the reactive species in the packed bed reactor specif

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Jia, Wenxiao, Yazhou Zhang, and Zhenxiao Li. "A pulse power supply module for launching fire extinguishing bombs." Journal of Physics: Conference Series 2891, no. 15 (2024): 152026. https://doi.org/10.1088/1742-6596/2891/15/152026.

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Abstract Electromagnetic launching technology has a wide range of applications and can replace conventional launching technology in many fields. In order to expand the application of this technology, the design of an induction coil type launcher that can launch fire extinguishing bombs, large-scale simulated bird bodies and other thrown bodies was completed, consisting of a four-stage coil capable of launching 10kg thrown body at an initial velocity of more than 100m/s. In order to meet the integration requirements of the launcher body, the design of a compacted pulsed power module matched to

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Sonawane, S. A., B. P. Ronge, and P. M. Pawar. "Multi-characteristic optimization of WEDM for Ti-6Al-4V by applying grey relational investigation during profile machining." Journal of Mechanical Engineering and Sciences 13, no. 4 (2019): 6059–87. http://dx.doi.org/10.15282/jmes.13.4.2019.22.0478.

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This research work presents multi-quality features optimization while wire electrical discharge machining (WEDM) of Ti-6Al-4V. Taguchi’s L27 orthogonal arrangement is applied to inspect the outcome of governing variables such as pulse-on period, pulse-off interval, discharge voltage, discharge current, wire feed speed and cable tension on the kerf width, material removal rate (MRR), the surface roughness (SR) and overcut during intricate profile manufacturing on Ti-6Al-4V. To optimize all six governing variables, the grey relational investigation (GRI) is applied. The grey relational score is

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Zhang, Liao Yuan, Di Yu, Zhong Qing Shao, Shuo Wang, and Zhong Xiu Lv. "Study of Electrode Surface Characteristics under Short Single Pulse in Micro Ed-Milling." Applied Mechanics and Materials 395-396 (September 2013): 1057–61. http://dx.doi.org/10.4028/www.scientific.net/amm.395-396.1057.

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Laminated removal micro ED-Milling is a non-contact special processing technology, through electrode discharge removal in materials. Therefore, shape, size and overlapping degree of the discharge crater determine the surface roughness and surface morphology. Using the principle of electrode wears, through the experiment of Micro-EDM milling shallow groove under short single pulse, getting morphology of a single pulse discharge machining surface. And from the crater of morphological features analyses the different cause of formation, and contrasts in different electric parameters, the different

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Zhao, Yong, Qin Zhang, Yi Liu, et al. "Analysis of spatial damage characteristics of rock under multiple high-voltage pulse discharges: I. Cross-section characteristics." Physica Scripta 98, no. 10 (2023): 105603. http://dx.doi.org/10.1088/1402-4896/acf68d.

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Abstract Rock breaking by high-voltage pulse discharge (rock breaking by high-voltage pulse discharge, RHPD) is an efficient technology for rock breaking. A single discharge will lead to the initiation or expansion of cracks inside the rock, and the expansion of cracks after multiple discharges will lead to the destabilization of the rock and finally produce a fractured zone. Because of the difficulty in quantifying the spatial damage characteristics of the fractured zone, in this paper, based on the discrete element method and theoretical analysis, the spatial damage model (spatial damage mod

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Vovchenko, А. I., L. Yu Demydenko, S. S. Kozyrev, and L. E. Ovchinnikova. "High Voltage Electrochemical Explosion in Pulse-Discharge Technologies." Elektronnaya Obrabotka Materialov 58, no. 1 (2022): 85–92. http://dx.doi.org/10.52577/eom.2022.58.1.85.

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The analysis and generalization of the results of studies of high-voltage electrochemical explosions (HVECHE) proceeding under various conditions, driven by special aspects and needs of the existing HVECHE based pulse-discharge technologies, was carried out. A methodology to calculate combined energy sources is proposed in relation to the needs of various discharge-pulse technologies using a high-voltage electrochemical explosion. Based on the analysis of the results of experimental studies, the advantage of using a high-voltage electrochemical explosion with a controlled input of electrical e

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Bereka, V. O., I. V. Bozhko, and I. P. Kondratenko. "INFLUENCE OF PARAMETERS OF WATER MOVEMENT AT ITS TREATMENTS ON ENERGY EFFICIENCY PULSE BARRIER DISCHARGE." Tekhnichna Elektrodynamika 2022, no. 3 (2022): 62–68. http://dx.doi.org/10.15407/techned2022.03.062.

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A study of the energy efficiency of the pulsed barrier discharge during water treatment in the aerosol state depending on the energy of the pulses (21-72 mJ), their repetition rate (50-300 Hz), the concentration of organic impurities in water (50-100 mg / l) and water content (1.6−3.2%) in the water-air mixture. The discharge was generated by unipolar short pulses (~ 100 ns) in an electrode system with vertically arranged cylindrical electrodes with a diameter of 2 mm, the distance between which was 2 mm. The highest energy yield, which was obtained by decomposing the impurity by 90%, was 32 g

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Su, Su Yi Mon. "Capacitive Discharge Ignition CDI System for Spark Ignition SI Engine Pulse Control Circuit." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 1925–29. https://doi.org/10.5281/zenodo.3591703.

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Technology drive today many things has been replaced with better design and technique. The research throughout designing and constructing of Capacitive Discharge Ignition CDI system for Spark Ignition SI Engine which is based on electronic ignition and contact point ignition. CDI system is composed of pulse generation circuit, pulse control circuit, main charge and discharge capacitor coil and spark plug. Mainly composed of pulse control circuit and pulse generation circuit which main function is to generate DC high voltage when the DC 12V supply from car battery. Pulse control circuit generat

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Jia, Yun Hai, Yan Hua Cia, and Qin Jian Zhang. "Research on Micro-Size Electrical Discharge Grinding Polycrystalline Cubic Boron Nitride Based on Single Pulse." Materials Science Forum 1035 (June 22, 2021): 778–84. http://dx.doi.org/10.4028/www.scientific.net/msf.1035.778.

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Polycrystalline cubic boron nitride (PcBN) was a high temperature and high pressure composite material with high hardness. With its high wear resistance and good chemical stability, it conforms to the basic characteristics of modern advanced cutting technology of "high efficiency, high precision, high efficiency and green". Currently, it was widely used in the field of ferrous metal cutting tools. Electrical discharge grinding was one of the most effective methods for machining polycrystalline cubic boron nitride cutters. It was especially suitable for machining complex shapes and thin edge cu

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Bereka, V. O., I. V. Bozhko, O. N. Karlov, and I. P. Kondratenko. "TREATMENT OF AN AQUEOUS SOLUTION OF METHYLENE BLUE IN THE DROPLET-FILM STATE BY PULSED BARRIER DISCHARGE." Tekhnichna Elektrodynamika 2022, no. 1 (2022): 67–74. http://dx.doi.org/10.15407/techned2022.01.067.

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The influence of various factors that can affect the efficiency of pulsed barrier discharge treatment in the air of atmospheric pressure of a model sample of contaminated water in the droplet-film state was investigated. The impurity in the water was an organic dye (methylene blue) with an initial concentration of 50 mg / l. Water consumption was 2–4 l / min, the characteristic diameter of the droplets was 1.7 mm, and the film thickness at the electrodes was about 0.15 mm. The water was treated in a flat discharge chamber with gas gaps of 3.36 mm and glass dielectric barriers, and in addition

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Wu, Kun Ling, Hsin Min Lee, and Kuan Hwa Chin. "Application of Electrochemical Discharge Machining to Micro-Machining of Quartz." Advanced Materials Research 939 (May 2014): 161–68. http://dx.doi.org/10.4028/www.scientific.net/amr.939.161.

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Electrochemical discharge machining (ECDM) is the preferred non-traditional process technology in recent years, The main processing is applied to machining non-conductive hard brittle materials. This study investigated the precision and stability of quartz fabricated by ECDM and explored the optimal processing parameters including size of electrode, machining speed as well as pulse-on and pulse-off duration. Microgrooves machined under the optimal processing parameters with adjusted rotational speed and feed rate were examined to understand the effect of different ECDM parameters on machining

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Li, Bing Yu, Ke Xu, Yun Ming Li, and Xuan Yi Li. "Research on the Application of New Active Inverter Technology in Battery Maintenance." Applied Mechanics and Materials 448-453 (October 2013): 2077–84. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.2077.

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This paper presents a discharge inspection method based on new active inverter feedback discharge after comparison with the check discharge from pure resistance of power station batteries. A new active inverter system has been developed with SPWM pulse width modulation technology, which is based on DC/DC circuitry, along with a three-phase full bridge inverter and control topology circuits. In addition, the principle for selecting the parameters of RCL elements of the system has been analyzed. This paper also presents a detection method combining active detection with passive detection for the

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Shen, Hongwei, Hao Yuan, Jianping Liang, et al. "Degradation of Pyraclostrobin in Water Using a Novel Hybrid Gas–Liquid Phase Discharge Reactor." Water 15, no. 8 (2023): 1562. http://dx.doi.org/10.3390/w15081562.

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In this paper, the hybrid gas–liquid discharge plasma can efficiently degrade pesticide residues in water driven by nanosecond pulse power, which can achieve the simultaneous discharge process in the liquid and gas phases. The relevant factors are systematically investigated, including the waveforms of discharge current and pulse voltage, discharge images, and optical emission spectra during the discharge process. The Stark broadening of Hα calculates the electron density. The effects of the pulse peak voltage and discharge time on the emission intensities of OH (A2∑ → X2∏), N2 (C3∏u → B3∏g),

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Zhu, Yu Jie, Qin He Zhang, Xiu Zhuo Fu, and Guang Hua Bao. "Study on Discharge Characteristics of Piezoelectric Self-Adaptive Micro-EDM System." Applied Mechanics and Materials 34-35 (October 2010): 492–96. http://dx.doi.org/10.4028/www.scientific.net/amm.34-35.492.

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A new technology of piezoelectric self-adaptive micro electrical discharge machining has been developed in this paper according to the characteristics of micro-EDM. Its working principle and the discharge characteristics are introduced, and it has been proved that the new technology can achieve micro machining. Using piezoelectric actuator as micro-feed mechanism, this new technology is simple in structure and can improve the discharging gap effectively. The discharge frequency and effective pulse utilization rate of the power supply is enhanced in machining. Experimental results show that thi

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Świercz, Rafał, and Dorota Oniszczuk-Świercz. "The Effects of Reduced Graphene Oxide Flakes in the Dielectric on Electrical Discharge Machining." Nanomaterials 9, no. 3 (2019): 335. http://dx.doi.org/10.3390/nano9030335.

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Electrical discharge machining (EDM) is a nonconventional technology that is frequently used in manufacturing for difficult-to-cut conductive materials. Drawbacks to using EDM include the resulting surface roughness and integrity. One of the recent innovations for improving surface integrity with EDM is the use of a powder mixed dielectric. The aim of this study is to analyze the influence of having reduced graphene oxide (RGO) in the dielectric on the ionization of the plasma channel and the dispersion of electrical discharges. The main goal is to improve the surface integrity of the tool ste

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