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   电弧喷枪 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:1.464秒
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电弧喷枪    
相关语句
  arc spray gun
    Studies of Computational Fluid Dynamics in the Flow Field of a High Velocity Wire Arc Spray Gun
    高速电弧喷枪流场模拟研究
短句来源
    The fluid dynamics in the jet field of a high velocity wire arc spray gun is one of the key factors to coating qualities.
    电弧喷枪流场特性是影响电弧喷涂质量的关键因素之一。
短句来源
  arc-spraying gun
    The Laval Nozzle Design and Numerical Simulation of Flow Field for A Supersonic Arc-spraying Gun
    超音速电弧喷枪的拉瓦尔喷嘴设计及流场的数值模拟
    As one of the key parts of a super-sonic arc-spraying gun, the Laval nozzle design is still a pivot for researchers.
    作为超音速电弧喷枪的关键部件之一,拉瓦尔喷嘴设计一直是人们研究的一个重点。
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  arc spray gun
Sapwood blocks of sugi (Cryptomeria japonica) and akamatsu (Pinus densiflora) were coated with Zn/Al (45%/55%) alloy metal at thicknesses of 20-30, 90-100, and 180-200μm by an arc spray gun.
      
Plasma-arc spray gun for surfacing parts of complex form
      
In particular, two processing methods, inert and air atomization, and three arc spray gun configurations (air cap design) were evaluated.
      
There are modern arc spray gun designs on the market that meet the requirements of modern coating properties, for example aviation overhaul applications as well as the processing of cored wires.
      
Optimization of a Rotating Twin Wire-Arc Spray Gun
      
  其他


The development of high productive wire arc spray system is investigated.And,the first domestic application of high productive and double atomizing arc spray system in a large local anti-corrosive engineering of the deck of a steel bridge which spans the the Yantze River,is introduced in the paper specially.Finally,new plan for further promotion on the high productive wire arc gun is discussed.

对国内外大功率电弧喷涂技术发展状况的进行了调研,重点介绍分析了国内首次用于钢桥面防腐蚀的大功率二次雾化喷涂系统,并对现有大功率电弧喷枪的改进方案进行了探讨。

The characteristic of fluid dynamics is one of the key factors, which affect coating quality. In the paper, the present work examines the fluid dynamics in the flow field of a two - wire - arc spray gun. The asymmetric character and turbulent behaviors are obtained with numerical computation and simulation based on Fluent. Moreover, velocity distribution is found that the mental droplets velocity declined gradually after acceleration near the exit of the jet nozzle, especially the droplets on the edge of the...

The characteristic of fluid dynamics is one of the key factors, which affect coating quality. In the paper, the present work examines the fluid dynamics in the flow field of a two - wire - arc spray gun. The asymmetric character and turbulent behaviors are obtained with numerical computation and simulation based on Fluent. Moreover, velocity distribution is found that the mental droplets velocity declined gradually after acceleration near the exit of the jet nozzle, especially the droplets on the edge of the fluid lost their kinetic energy drastically and dissipate into ambient environment, which produces waste and pollutants. In order to increase the deposition ratio and coating quality, spray distance should be paid cautious attention.

电弧喷枪流场特性是影响电弧喷涂质量的关键因素之一。运用商用流体计算软件Fluent,对手持式高速电弧喷枪头部及枪外射流进行了模拟计算,通过分析可以看出,雾化射流具有不对称、湍流等特点,其射流速度分布有明显的先递增后衰减的规律,在流场推动下,雾化的金属粒子首先被流场加速,到达最大值后速度开始衰减,随着喷涂距离的增加,粒子的速度逐渐下降,特别是靠近流场外部的粒子,速度的下降更快,最终失去了与基底的结合动能,成为灰尘,飞散到环境之中,这既浪费了材料,又污染了环境。为了提高沉积率,保证涂层质量,喷涂距离的控制显得非常重要。

The fluid dynamics in the jet field of a high velocity wire arc spray gun is one of the key factors to coating qualities. With the application of Fluent, the jet flow dynamics of a spray gun is simulated and computed, which concludes that the jet field could be characterized by three regions: the core region, the entrainment region, and the fully turbulent region. Influenced by the intersecting and reflecting of shock waves, the velocity distribution of the jet is non-homogeneous and asymmetric, and the...

The fluid dynamics in the jet field of a high velocity wire arc spray gun is one of the key factors to coating qualities. With the application of Fluent, the jet flow dynamics of a spray gun is simulated and computed, which concludes that the jet field could be characterized by three regions: the core region, the entrainment region, and the fully turbulent region. Influenced by the intersecting and reflecting of shock waves, the velocity distribution of the jet is non-homogeneous and asymmetric, and the axis velocity is severely fluctuated. Moreover, The flow in the wire plane is more divergent than that in the wires’ vertical plane. Therefore, it’s an important way to improve spray quality with appropriate spray distance and a special designed cap.

电弧喷枪流场特性是影响电弧喷涂质量的关键因素之一。文中运用 CFD 软件 Fluent,对高速电弧喷枪头部及枪外射流进行了模拟计算,通过分析可以看出,枪外射流可以分为射流核心区、射流卷吸区和射流湍流区。受欠膨胀激波反射和相交的影响,枪外射流的速度分布具有不均匀性,其轴线射流速度存在剧烈波动,同时呈现先递增后衰减的规律。受丝材的影响,枪外射流速度分布呈现空间不对称性,其丝材所在平面流场的发散性大于丝材垂直平面的发散性。为了保证涂层质量,提高沉积率,喷涂距离控制以及喷嘴封闭气帽形状的合理设计显得非常重要。

 
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