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Author:

黄瑞 (黄瑞.) | 胡治华 (胡治华.) | 陈铠 (陈铠.)

Indexed by:

CQVIP PKU

Abstract:

本试验运用双反射式平等光纹影仪对激光焊接用双层喷嘴冷态时的气流流态进行了系统的观测、研究,并结合气体动力学原理对气流的流态进行了分析.试验结果表明:对于实际激光焊接中所使用的喷嘴,单层冷态自由射流时,为获得较好的层流长度及挺度,气流的雷诺数必须控制在400~700的范围内:双层冷态自由射流时,为使内外层气流问的影响最小及双层气流的综合性能达到最佳,必须使内、外层气流的雷诺数相接近.

Keyword:

激光焊接 保护气体 纹影法 喷嘴

Author Community:

  • [ 1 ] [黄瑞]北京工业大学
  • [ 2 ] [胡治华]北京工业大学
  • [ 3 ] [陈铠]北京工业大学

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Source :

焊接技术

ISSN: 1002-025X

Year: 2007

Issue: 2

Volume: 36

Page: 8-11

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 10

Chinese Cited Count:

30 Days PV: 3

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