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电弧喷射
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  arc spraying
     Development of Fe 3Al Intermetallic Coating Produced by High Velocity Arc Spraying Deposition
     高速电弧喷射沉积Fe_3Al涂层研究
短句来源
  arc spray
     It is pointed out that when ultrasonic arc spray forming any two-element materials,the temperature of the wire tip can be calculated by the following equation: Tk=4·(U·IK)/π·d2·(cA·xA+cB·xB)·(xA·ρA+xB·ρB)·ν+T0
     指出对任意A、B两组元合金的超音速电弧喷射成形丝材端部熔滴温度为:Tk=4·(U·IK)/π·d2·(cA·xA+cB·xB)·(xA·ρA+xB·ρB)·ν+T0
短句来源
     Using the ultrasonic arc spray forming(UASF) technology,AgFe5 materials with excellence physical,mechanical and electric properties were produced.
     应用超音速电弧喷射成形技术制备了性能优异的AgFe5块状材料。
短句来源
     The development history of spray forming technology was reviewed and the application principles and features of the ultrasonic arc spray forming technique were described especially.
     简述了国内外喷射成形技术的发展历程、特点和现状,着重讨论了超音速电弧喷射成形技术的原理、特点及应用,对比阐述了超音速电弧喷射成形技术的独特优点。
短句来源
     The Effect of Ultrasonic Arc Spray Forming Parameter on the Properties of AgFe5 Materials
     超音速电弧喷射成形工艺参数对AgFe5材料性能影响
短句来源
     The feasibility of the application of the ultrasonic arc spray forming technique to preparation of new precious metal materials was discussed.
     针对目前国内外贵金属材料的应用领域、使用特点及制备方法,讨论了超音速电弧喷射成形技术在贵金属材料领域内应用的可行性。
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  arc jet
     Numerical study on hydrazine arcjet thruster working exchangeability
     肼电弧喷射推力器工作方式可替换性数值研究
短句来源
     Experimental and Numerical Study on Ammonia Arcjet Thrusters
     氨电弧喷射推力器实验和数值研究
短句来源
     Results of the study show that 0137% lower specific impulse and 103% lower thrust efficiency are obtained in radiation model,compared with no radiation model,and radiation loss has little effect on performance of low power Arcjet Thrusters.
     研究结果表明,与非辐射模型相比,辐射模型比冲低0.137%,推进效率低1.03%,辐射对低功率电弧喷射推力器性能影响比较小。
短句来源
     A brief recommendation of status of internal process studies on arcjet thruster was given and the influences of this process on performance of arcjet thruster were analyzed.
     对电弧喷射推力器及其内部工作过程特性作了简要介绍,分析了内部工作过程对其性能的影响并对有关实验与理论研究作了概述。
短句来源
     Influence of Environmental Pressureon Arcjet Thruster Performance
     环境压强对电弧喷射推力器性能的影响
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  “电弧喷射”译为未确定词的双语例句
     The sophisticate numerical models with the capacities of reflecting complex processes such as chemical and thermal nonequilibrium were also established.
     理论上已建立了能初步反映化学不平衡、热力学不平衡等较为复杂物理过程的数值模型,为全面认识电弧喷射推力器内部工作过程机制提供了有效的手段。
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  arc spraying
By using the wrist and the control method, an industrial robot with five degrees of freedom for rapid tooling using metal arc spraying and electric brush plating techniques was developed.
      
Without the need of any manual programming, the metal arc spraying and brush plating (if necessary) processes can be performed automatically and efficiently after receiving the 3D CAD data of the pattern.
      
Absorption of hydrogen by carbon-magnesium composites synthesized by mechanochemical treatment and arc spraying was studied and methods for optimization of the process of hydrogen absorption were suggested.
      
Iron aluminide intermetallic coatings were prepared from Fe-Al/Cr3C2 cored wires using High Velocity Arc Spraying (HVAS) technology.
      
Fatigue life prediction of crankshaft repaired by twin arc spraying
      
更多          
  arc spray
An automated arc spray tooling system for rapid die-making of large-sized automobile body panels
      
Process development of a novel arc spray nanoparticle synthesis system (ASNSS) for preparation of a TiO2 nanoparticle suspension
      
By implementing the system, we have successfully developed the processing equipment of the arc spray nanoparticle synthesis system (ASNSS).
      
Nanoparticle suspension preparation using the arc spray nanoparticle synthesis system combined with ultrasonic vibration and rot
      
This study aims to investigate the use of a new nanoparticle preparation method, i.e., the arc spray nanoparticle synthesis system (ASNSS) combined with ultrasonic vibration and rotating electrode, to prepare TiO2 nanoparticle suspension.
      
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  arc jet
The ablation and radar-wave transparent performances of the composite at high temperature were evaluated under arc jet.
      
The Electre and nozzle wall pressure data in the F4 arc jet wind tunnel suggest, in contrast to nonequilibrium computations, that the flow in the F4 nozzle is close to equilibrium.
      
The results of the numerical computation are compared with ablation measurements in arc jet facilities for transient ablation and the limiting case of quasisteady ablation.
      
Processing, properties and arc jet oxidation of hafnium diboride/silicon carbide ultra high temperature ceramics
      
The ZrB2-20 vol% SiC-20 vol% TaSi2 composition was also oxidized in stagnant air at 1927°C and in an arc jet atmosphere.
      
更多          


A brief recommendation of status of internal process studies on arcjet thruster was given and the influences of this process on performance of arcjet thruster were analyzed.Despite the difficulties of these studies arising from rigour cirumstances in arcjet thrusters,so many progresses were in both experimentation and theory researches.Pressure measurements,electrostatic measurements,spectrum measurements and laser fluorescence induce measurements are main means to reveal internal and outer flow(plume) structures.The...

A brief recommendation of status of internal process studies on arcjet thruster was given and the influences of this process on performance of arcjet thruster were analyzed.Despite the difficulties of these studies arising from rigour cirumstances in arcjet thrusters,so many progresses were in both experimentation and theory researches.Pressure measurements,electrostatic measurements,spectrum measurements and laser fluorescence induce measurements are main means to reveal internal and outer flow(plume) structures.The sophisticate numerical models with the capacities of reflecting complex processes such as chemical and thermal nonequilibrium were also established.

电弧喷射推力器及其内部工作过程特性作了简要介绍,分析了内部工作过程对其性能的影响并对有关实验与理论研究作了概述。电弧喷射推力器内部流动具有过程复杂剧烈,空间狭小,非平衡性强烈等特点。目前在实验上,采用气动方法、静电方法、光谱方法以及激光方法等获得了内部及外部(羽流)流动过程的多种综合参数和流场参数;理论上已建立了能初步反映化学不平衡、热力学不平衡等较为复杂物理过程的数值模型,为全面认识电弧喷射推力器内部工作过程机制提供了有效的手段。

A time stepping scheme using four oder classical Runge

研究了用经典四阶龙格-库塔法计算可压缩流场的可行性,并将其用到了电弧喷射推力器内部等离子体流场的数值求解中。应用情况表明,在结合了局域时间步长、隐式残值光滑加速收敛措施后,本格式能够成功地计算比较复杂的可压缩气体流场以及等离子体流场。有关计算结果揭示了气体流经电弧喷射推力器通道但无电流时形成的纯气动流场以及有电流通过时形成的等离子体流场的丰富的结构和一些重要的影响因素,为研究其过程机制提供了依据。

Calculation of electric field was one of important parts in numerical simulation of arcjet flow field.The efficiency of the calculation of the whole flow field is to most extent depending on the efficiency of this calculation and then it was necessary to take some steps to improve it.The effects of using multigrid method on efficiency improvement of electric field calculation were studied after establishing numerical model and based method on this calculation,and its special effects were verified by numerical...

Calculation of electric field was one of important parts in numerical simulation of arcjet flow field.The efficiency of the calculation of the whole flow field is to most extent depending on the efficiency of this calculation and then it was necessary to take some steps to improve it.The effects of using multigrid method on efficiency improvement of electric field calculation were studied after establishing numerical model and based method on this calculation,and its special effects were verified by numerical experiments.

在建立电弧喷射器内等离子体流场电场计算模型以及基本算法基础上,研究了采用多重网格对收敛速度的改进效果。数值计算证实了此方法的有效性尤其对流场电场耦合计算是有利的。

 
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