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Junfeng Rao (University of Shanghai for Science and Technology)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Industrial pollutants and in particular pharmaceutical residues have caused large-scale pollution to the potable water in China. Many pharmaceuticals and macromolecular organic matter withstand conventional water treatment technologies. Consequently, advanced oxidation processes (AOP), and especially low-temperature plasmas with their ability to create reactive species including the hydroxyl...
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Mr Bixuan Che (National University of Defense Technology)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The BEEMP laboratory in NUDT is now undertaking the research of a promising electric propulsion concept——the pulsed inductive thrusters (PIT). An experimental facility has been set up including a specially-optimized driving coil, a high-voltage pulsed circuit, and a constant-current high-voltage power supply. This paper introduces the design of the experimental facility with special emphasize...
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Byungha Lee (Agency for Defense Development)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
In the sequential discharge of the pulsed power modules connected in parallel, the occurence of a surge voltage at the crowbar diodes of the triggered modules afterward is analyzed and the elimination method of the surge voltage is suggested. In the case using two 100 kJ pulsed power modules and the muzzle-shorted railgun as a load, the surge voltage is generated during the crowbarring period...
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Hongjun Xiang (Shijiazhuang Mechanical Engineering College)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The effective treatment of the industrial wastewater is very significant to the protection of our environment. The system of wastewater treatment based on pulsed discharge plasma provides a new way for the disposal of industrial wastewater. However, the traditional reactor cannot meet the demand of degradation rate and the treatment efficiency. In order to improve the degradation rate and...
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Igor Bunin (Institute of Comprehensive Exploitation of Mineral Resources, RAS)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The application of High-Power Electromagnetic Pulses (HPEMP) in dressing of resistant gold- containing ores appears attractive as this technique provides for a significant increase in precious metal recovery in hydrometallurgical (gold and silver) and gravitational (PGM) processes (V.A.Chanturiya et al, Pulsed Power Conference, 2005 IEEE). The present work studies the effect of high-voltage...
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Masahiro Hosono (Iwate University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Discharge plasma in liquid is generated by high voltage such as 15 kV. Our previous experiments succeed with around 3 kV in under water discharges. Our work aim to generate the discharge plasma in liquid less than 3 kV using capacitor discharges. Electrical capacitance is as follows for discharge: 0.5 µF, 1.0 µF of film capacitor and 4 nF of ceramic capacitor. A charger is used DC power supply...
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Hongjun Xiang (Shijiazhuang Mechanical Engineering College)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The tanks and armor vehicles can be damaged by high-speed metal jet caused by the High Explosive Anti-Tank (HEAT). In order to improve the effective length and the penetration capacity of the metal jet, the electromagnetic enhancing system for the metal jet is put forward. Aiming to the effect of the time sequence to the performance of the metal jet, the relationship between the times of the...
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Kazuki Kimura (Iwate University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Underwater discharges are applied in industrial fields. However, phenomena of underwater discharges have not been completely clarified. The purpose of our study is to clarify characteristics of underwater discharges. In high repetitive underwater discharges, bubbles generated by discharges are gathered to the tip of an electrode. Discharge plasma forms under the influence of the bubbles may...
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206. Design and Electromagnetic Analysis of an Induction Type Coilgun System with Pulse Power moduleMr Byeong-Soo Go (Changwon National University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Electromagnetic launchers with pulse power have an advantage over the chemical guns in that they has the ability to use electromagnetic force to accelerate armature to high velocity. A multi-stage induction type coilgun system is one of the most important research items. Especially, the capacitor driven induction coilgun, which is almost free from physical contact between the barrels and...
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Mr Ruoyu Han (Xi’an Jiaotong University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Pulsed plasma thrusters (PPTs) are relatively mature electric propulsion devices for small/micro satellites to complete specific space missions. PPTs are mainly divided into two categories, electromagnetic PPTs and electrothermal PPTs. Under the effect of a current pulse, propellant is ablated and decomposed to form plasma bulk. Afterwards, charged particles are accelerated by Lorentz force or...
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Mr Myung-Geun Song (Hanwha Defense Systems )19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The capacitor bank topology with a load side crowbar diode is well known as a pulsed power system for the electromagnetic launcher such as coilgun and railgun because of its controllability, reliability, technical maturity. In general case of multi-stages synchronous induction coilgun accelerates a projectile using the electromagnetic force that converts electrical energy to kinetic energy;...
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Tom Huiskamp (Eindhoven University of Technology)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
In this contribution we show results of direct and indirect removal of nitric oxide (NO) with (sub)nanosecond pulses. The nanosecond pulse source is the 0.5-10-ns, 0-50-kV (positive and negative), 0.2-ns rise time pulse source that we recently developed at Eindhoven University of Technology. The direct-removal setup is an in-plasma removal setup, where the polluted air (with NO) is flushed...
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Masahiro Akiyama (Iwate University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Pulsed power has long been used in many applications such as ozonizers, sterilization, and bioelectrics; the use of embedded systems for pulse power has been researched. However, certain factors such as the embedded system design make development difficult and complicate system use. Additionally, many fields require certain functions, safety that has noise protection and ease of...
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Hongjun Xiang (Shijiazhuang Mechanical Engineering College)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Abstract：The essential launching characteristics of four typical electromagnetic railguns models were comparatively reviewed referring to the current distribution in conductors. Such four models were as a small conductive simple railgun, the large resistive simple one, the large conductive simple one, and the large conductive complex one. First, according to strict physical theories, a small...
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Elchin Gurbanov ("Azersu" OJSC)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
This article is dedicated to the 100th anniversary of operation of the first main water pipeline in Azerbaijan, named “Schollar-Baku”, designed in 1917 by English engineer William Lindley, provided to this day Baku by clean drinking water. In recent years, due to the depletion of resources, violation of ecological balance on the planet, climate change, etc., pays great attention to development...
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Mr Oleg Chizhko19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
For production of stable protectors against thermal and chemical influence, we introduce the technology of their spraying on technological surface. Everybody knows that metallic compounds are combustible. This fuel produces the flame of plasma. The processes of oxidation, which take place of burning chamber, are directed to the creation of ideal mixtures for oxy-ionic gases. In the gaseous...
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Mr Xukun Liu (Tsinghua University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
As a relatively new kind of the pulsed power supplies for electromagnetic launchers, the IPPS (inductive pulsed power supply) attracts researchers’ attentions with the major advantage of high energy storage density. However, it possesses one major disadvantage: too much energy remained in the energy storage inductors and then wasted in the muzzle resistor after the projectile (or armature)...
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Bucur Novac (Loughborough University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The paper will describe experimental studies of magneto-forming technology, undertaken at Loughborough University and using the existing 2 MA/100 kJ Quattro capacitor bank as power supply. Five different practical arrangements will be detailed and results presented that illustrate:
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- Welding aluminium cylinders with galvanized steel cylinders in theta-pinch geometry
- Welding stainless steel... -
Mr Dinh-Vuong Le (Changwon National University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
A pulsed power induction coilgun system is a multi-physics system that is too complicated and difficult to simulate and design. Several studies presented design and simulation schemes of a coilgun system by a finite-element method (FEM) which is not cost-effective and need time-consuming process. The impact on the energy efficiency by capacitance, voltage level, and initial position of...
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Francisco Cabaleiro Magallanes (Advanced Oncotherapy PLC)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Inductive Output tubes (IOT) or klystrodes are used to produce RF power in several industrial, research and medical applications. TV broadcasting and industrial heating represent the biggest percentage of these applications. In these cases the RF power is required continuously, and therefore classical IOT power system topologies are based on a high voltage DC power supply, together with...
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Sanghyuk An (Agency for Defense Development)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The gouging phenomenon on the surface of the sliding contact of an electromagnetic launcher is one of the major problems to realize it in practical uses. The resistive overlay is known as one of the solutions to overcome the gouging on the rail surface even though the energy transfer efficiency to the projectile is reduced due to the increase of the rail resistance.
We conducted the...
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Mr Apurva Kulkarni (Indian Institute of Science)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Compulsators (compensated pulsed altarnators) are ac generators designed maximize the short circuit current that could be delivered to the load. The role of the compensation (active/passive/selectively passive) is to minimize the inductance of the alternator during the discharge process. Over the last three decades, many topologies of the compulsator have been evolved in order to achieve a...
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Yun Sik Jin (Korea Electrotechnology Research Institute)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Plasma activated water (PAW) has gained increasing attentions for a wide range of applications in the biomedical fields. Especially PAW are known to inactivate microbial cells effectively. Gas-jet assisted nanosecond pulsed discharge in the water was used to produce PAW. Nanosecond high voltage pulses from a five-stage Marx-generator were applied to two electrodes installed in the distilled...
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Fedor Konusov (National Research Tomsk Polytechnic University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The paper presents the study on the plasma chemical synthesis of nanocomposite carbon-bearing powders based on SiO2 and TiO2 and the analysis of their main characteristics. The nanopowders were synthesized in the plasma chemical reactor using a pulsed electron beam for the low-temperature plasma generation. The experiments on the synthesis of powders were carried out using a TEA-500 pulsed...
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W.F.L.M. Hoeben (Eindhoven University of Technology)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Activation of water using pulsed electric discharges serves several important agricultural and biomedical applications. Plasma activated water (PAW) contains reactive oxygen and nitrogen molecular species (RNOS) like hydrogen peroxide H2O2, nitric acid HNO3, nitrous acid HNO2 and peroxynitrite ONOO-, exhibiting strong antiseptic power. TU/e spin-off company VitalFluid develops generators for...
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Dr Qiang Ke (Chongqing University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
The existing fusion technology is mainly based on the microsecond pulse electric field. However, there is a great defect in the traditional fusion technology: the microsecond pulse electric field is sensitive to the cell size, and it is difficult to realize the effective fusion of cells with different sizes. There was a significant positive correlation between the transmembrane potential and...
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Bucur Novac (Loughborough University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
Application of high-intensity electric fields and/or currents is known to enhance materials’ deformability. For instance, a high-density electric fields/currents applied continuously (CC: continuous current) or in short pulses (PC: pulsed current) on metals and ceramics may significantly affect their deformation response to external loads. This phenomenon is commonly referred to as...
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SEAN COFFEY (SANDIA NATIONAL LABORATORY)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
This paper describes the hardware changes made to the triggering systems of the HERMES III accelerator at the Simulation Technology Laboratory (STL) at Sandia National Laboratories, New Mexico. The HERMES III accelerator is a gamma ray simulator producing 100kRad dose per shot with a full width half max pulse duration of ~25 nanoseconds and averages six shots per day. For each accelerator...
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Ms Xinyue Chang (Tsinghua University)19/06/2017, 13:30Pulsed Power Industrial and Bio-Medical ApplicationsPoster
As a new kind of kinetic-energy weapon system, electromagnetic railgun possesses one major advantage of high muzzle velocity which can be controlled artificially and accurately. Since the muzzle velocity error has a great influence on the hit rate, accurate velocity control is of importance. However, existing literatures focus more on the maximization (or promotion) of the muzzle velocity,...
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