Multi-sensing Control of Plasma Flow Systems Utilizing Super Functionalization
利用超级功能化对等离子流系统进行多传感控制
基本信息
- 批准号:13450068
- 负责人:
- 金额:$ 9.79万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2001
- 资助国家:日本
- 起止时间:2001 至 2002
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The experimental and theoretical studies were carried out to establish a multi-sensing control systems for functional plasma flow by utilizing the applied magnetic effect and by seeding vaporized metal and reactive gas and further by injecting fine particles. The main results obtained here are as follows:(1) A multi-sensing control system for plasma jet stabilization was successfully established by controling the radiation intensity and by operating magnetic flux density. The constant value control performance of radiation intensity for sudden flow rate variation and further the control performance of plasma jet dynamic behavior for oscillating inlet flow rate were clarified experimentally.(2) The effects of applied frequency and seeding ratio of potassium on thermofluid field of inductivley coupled plasma and phase change of various kinds of metal powders injected were clarified by numerical simulation.(3) 3D multiphase plasma jet with carrier gas, particles and water droplet in dense loading were numerically analyzed by taking loading effect, phase change, variation of thermophysical properties, compressible effect and complex configuration into account.(4) Computational simulation for plasma spraying process, arc ash melting process and arc-electrodes system were conducted by developing strongly realistic model. The optimal operating conditions and plasma gun geometry were obtained to increase process efficiency and to extend life time.(5) DC-RF hybrid plasma systems were developed by super functionalization. The elongation of plasma flame and uniform temperature distribution were achieved by controlling the flow rate ratio of sheath gas to carrier gas. Furthermore, vortex flow structure in the coil zone was visualized by using PIV system.
利用外加磁场效应,通过引入汽化金属和反应气体,并进一步注入细粒子,建立了一种多传感器的功能等离子体流控制系统。(1)成功地建立了以辐射强度和磁场强度为控制变量的多传感器等离子体射流稳定控制系统。实验研究了辐射强度对流量突变的定值控制性能,以及等离子体射流对流量振荡的动态特性的控制性能。(2)通过数值模拟,阐明了外加频率和钾晶种比对感应耦合等离子体热流体场和注入各种金属粉末相变的影响。(3)考虑了加载效应、相变、热物性变化、可压缩效应和复杂结构等因素,对稠密加载条件下含载气、颗粒和水滴的三维多相等离子体射流进行了数值分析。(4)通过建立真实感较强的模型,对等离子喷涂过程、电弧灰熔化过程和电弧电极系统进行了计算机模拟。获得了最佳的操作条件和等离子枪的几何形状,以提高工艺效率和延长寿命。(5)采用超功能化技术研制了DC-RF混合等离子体系统。通过控制鞘气与载气的流量比,实现了等离子体火焰的伸长和温度分布的均匀。利用PIV系统对盘管区的涡流结构进行了可视化研究。
项目成果
期刊论文数量(54)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
H.Nishiyama: "Performance of a Thermal Nonequilibrium Plasma Jet Control System"Plasma Devices and Operations. 10・3. 157-168 (2002)
H. Nishiyama:“热非平衡等离子体射流控制系统的性能”等离子体装置和操作 10・3(2002)。
- DOI:
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- 影响因子:0
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- 通讯作者:
H.Nishiyama: "Numerical Simulation of a RF Inductively Coupled Plasma for Functional Enhancement by Seeding Voparized Alkali Metal"The European Physical Journal, Applied Physics. 18・2. 125-133 (2002)
H. Nishiyama:“通过播种 Voparized 碱金属实现功能增强的射频感应耦合等离子体的数值模拟”,《欧洲物理杂志》,《应用物理学》18・2(2002 年)。
- DOI:
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- 影响因子:0
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T. Sato: "Optimization for Plasma Spraying Processes by Numerical Simulation"Thin Solid Films. 407-1-2. 54-59 (2002)
T. Sato:“通过数值模拟优化等离子喷涂工艺”固体薄膜。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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- 通讯作者:
K.Ramachandran: "3D Modeling of Evaporation of Water Injected into a Plasma Jet"International Journal of Hear and Mass Transfer. 46・9. 1653-1663 (2003)
K.Ramachandran:“注入等离子射流的水蒸发的 3D 建模”国际听觉与质量传递杂志 46・9(2003 年)。
- DOI:
- 发表时间:
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- 影响因子:0
- 作者:
- 通讯作者:
H. Nishiyama: "Performance of a Thermal Nonequilibrium Plasuma Jet Control System"Plasma Devices and Operations. 10-3. 157-168 (2002)
H. Nishiyama:“热非平衡等离子体射流控制系统的性能”等离子体装置和操作。
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NISHIYAMA Hideya其他文献
NISHIYAMA Hideya的其他文献
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{{ truncateString('NISHIYAMA Hideya', 18)}}的其他基金
Diffusion Supression of Polluted Nano Particles and Mist using Discharge on the Moving Magnetic Fluid Interface and Development of Purification Technology
动磁流体界面放电抑制污染纳米粒子和雾气的扩散及净化技术的发展
- 批准号:
16K14151 - 财政年份:2016
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Enhancement of Interface Chemical Reaction in Bubble Jet and Control of Water Purification Process using Sun Light and Nano Pulsed Discharge
利用太阳光和纳米脉冲放电增强气泡射流中的界面化学反应并控制水净化过程
- 批准号:
26249015 - 财政年份:2014
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of Innovative Air Purification Systems by Using Streamer Generated on the Magnetic Fluid Interface
利用磁流体界面上产生的流光开发创新的空气净化系统
- 批准号:
26630045 - 财政年份:2014
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Development of Interface Reactive Purification Systems and Aerosol Transportation Using Human Friendly Discharge
利用人性化排放开发界面反应净化系统和气溶胶运输
- 批准号:
24656117 - 财政年份:2012
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Advanced Functionalization of Plasma Bubble Flow Systems by Microdischarge and Its Innovative Applications
微放电等离子体气泡流系统的高级功能化及其创新应用
- 批准号:
23246032 - 财政年份:2011
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of Collection of Polluted Nano Suspensions and Surface Cleaning System Using Discharge Adjustable for Living Body
污染纳米悬浮液收集及生物体可调排放表面清洁系统的开发
- 批准号:
22656044 - 财政年份:2010
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Optimum Control of Plasma Flow Systems through Multi-Scale Integration
通过多尺度集成对等离子体流系统进行优化控制
- 批准号:
17206016 - 财政年份:2005
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Multi-dimensional Nano Control of Plasma Flow Systems by Using Fusion
利用融合对等离子体流系统进行多维纳米控制
- 批准号:
15360090 - 财政年份:2003
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Intelligent Electromagnetic Control of Complex Interactions in Plasma Flow Systems
等离子流系统中复杂相互作用的智能电磁控制
- 批准号:
11450069 - 财政年份:1999
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Intelligent Electromagnetic Control of Chemically Reactive Plasma Flow by Infomations
化学反应等离子体流的信息智能电磁控制
- 批准号:
09450072 - 财政年份:1997
- 资助金额:
$ 9.79万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
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