Numerical simulation of the focused powder streams in coaxial laser cladding

Jehnming Lin

doi:10.1016/S0924-0136(00)00584-7

Numerical simulation of the focused powder streams in coaxial laser cladding

Jehnming Lin

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

89 Citations (Scopus)

Abstract

The powder flow structures of a coaxial nozzle for laser cladding was simulated by the numerical programme FLUENT with various arrangements of the nozzle exit. Both focused and columnar powder streams could be generated in a coaxial nozzle. It can be found that the concentration mode is influenced significantly by the nozzle arrangement and gas flow settings. According to the numerical results, more than 50% powder concentration can be increased in a gas stream through a specific nozzle arrangement for coaxial laser cladding.

Original language	English
Pages (from-to)	17-23
Number of pages	7
Journal	Journal of Materials Processing Technology
Volume	105
Issue number	1
DOIs	https://doi.org/10.1016/S0924-0136(00)00584-7
Publication status	Published - 2000 Sep 7

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Computer Science Applications
Metals and Alloys
Industrial and Manufacturing Engineering

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abstract = "The powder flow structures of a coaxial nozzle for laser cladding was simulated by the numerical programme FLUENT with various arrangements of the nozzle exit. Both focused and columnar powder streams could be generated in a coaxial nozzle. It can be found that the concentration mode is influenced significantly by the nozzle arrangement and gas flow settings. According to the numerical results, more than 50% powder concentration can be increased in a gas stream through a specific nozzle arrangement for coaxial laser cladding.",

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AB - The powder flow structures of a coaxial nozzle for laser cladding was simulated by the numerical programme FLUENT with various arrangements of the nozzle exit. Both focused and columnar powder streams could be generated in a coaxial nozzle. It can be found that the concentration mode is influenced significantly by the nozzle arrangement and gas flow settings. According to the numerical results, more than 50% powder concentration can be increased in a gas stream through a specific nozzle arrangement for coaxial laser cladding.

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Numerical simulation of the focused powder streams in coaxial laser cladding

Abstract

All Science Journal Classification (ASJC) codes

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