Heat and mass transfer in gas metal arc welding. Part I: The arc

J. Hu; H.L. Tsai

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Heat and mass transfer in gas metal arc welding. Part I: The arc

机译：气体保护金属电弧焊中的传热和传质。第一部分：弧线

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A unified comprehensive model was developed to simulate the transport phenomena occurring during the gas metal arc welding process. An interactive coupling between arc plasma; melting of the electrode; droplet formation, detachment, transfer, and impingement onto the workpiece; and weld pool dynamics all were considered. Based on the unified model, a thorough investigation of the plasma arc characteristics during the gas metal arc welding process was conducted. It was found that the droplet transfer and the deformed weld pool surface have significant effects on the transient distributions of current density, arc temperature and arc pressure, which were normally assumed to be constant Gaussian profiles.

机译：开发了一个统一的综合模型来模拟在气体金属电弧焊过程中发生的传输现象。电弧等离子体之间的相互作用耦合；电极熔化；液滴形成，分离，转移和撞击到工件上；和焊池动力学都考虑在内。基于统一模型，对气体保护金属电弧焊过程中的等离子弧特性进行了深入研究。已经发现，熔滴的转移和变形的熔池表面对电流密度，电弧温度和电弧压力的瞬态分布具有显着影响，这些瞬态分布通常被认为是恒定的高斯分布。

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来源
《International Journal of Heat and Mass Transfer》 |2007年第6期|p.833-846|共14页
作者
J. Hu; H.L. Tsai;
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作者单位

Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT 06604, United States;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
关键词
GMAW; arc plasma; heat transfer; fluid flow;

机译：GMAW;电弧等离子体;传热;流体流动;

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专利

1. Heat and mass transfer in gas metal arc welding. Part II: The metal [J] . J. Hu, H.L. Tsai International Journal of Heat and Mass Transfer . 2007,第5a6期

机译：气体保护金属电弧焊中的传热和传质。第二部分：金属
2. Determining the distribution of the heat content of filler metal droplets transferred into gas-metal arc weld pools [J] . C. S. Wu, J. S. Sun Proceedings of the Institution of Mechanical Engineers, Part B. Journal of engineering manufacture . 1998,第B7期

机译：确定转移到气体金属电弧焊熔池中的填充金属小滴的热含量分布
3. Erratum to 'Conjugate heat/mass transfer from a circular cylinder with an internal heat/mass source in laminar crossflow at low Reynolds numbers' [Int. J. Heat Mass Transf. 48 (2005) 419-424] and 'Unsteady conjugate heat/mass transfer from a circular cylinder in laminar crossflow at low Reynolds numbers' [Int. J. Heat Mass Transf. 47 (2004) 2469-2480] [J] . Gh. Juncu International Journal of Heat and Mass Transfer . 2008,第11a12期

机译：勘误“以低雷诺数在层流错流中结合来自带有内部热/质量源的圆柱体的热/质量传递” [Int。 J.热传质。 48（2005）419-424]和“在低雷诺数下，层流错流中圆柱的非稳态共轭热/质量传递” [Int。 J.热传质。 47（2004）2469-2480]
4. MODELING HEAT AND MASS TRANSFER AND FLUID FLOW IN THREE-DIMENSIONAL GAS METAL ARC WELDING [C] . Y. Wang, H.L. Tsai, S.P. Marin, 2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana . 2002

机译：三维气体金属电弧焊的传热传质及流体流动模型
5. Vision based real-time monitoring and control of metal transfer in laser enhanced gas metal arc welding. [D] . Shao, Yan. 2013

机译：基于视觉的激光增强气体金属电弧焊中金属转移的实时监控。
6. Relation between various chromium compounds and some other elements in fumes from manual metal arc stainless steel welding. [O] . W Matczak, J Chmielnicka 1993

机译：手动金属电弧不锈钢焊接中烟气中各种铬化合物与其他元素之间的关系。
7. Analysis of Weld Geometry Considering the Transferring Droplets in Gas Metal Arc Welding. [O] . Hyunsung PARK, Sehun RHEE 2001

机译：考虑气体金属电弧焊接转移液滴的焊接几何体分析。
8. Metal Transfer in Gas Metal Arc Welding. [R] . McEligot, D. M. 1989

机译：气体保护金属电弧焊中的金属转移。

Heat and mass transfer in gas metal arc welding. Part I: The arc

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