Paper Title:
Weakly Compressible Fluid Model to Study Thermal Effects on Laser Propagating in Closed Tube
  Abstract

Analyzed the iso-pressure approximate model used in laser propagation in gas medium and pointed out its disadvantage under complex border conditions. The weakly compressible fluid model was developed which was based on the Mach uniform method introduced by Peter Wesseling. Using the weakly compressible fluid model and scalar wave equation, a numerical study was carried out for the gas thermal effects on laser propagating in a closed tube full-filled with air. The far-field beam shape at different time were obtained and compared with the experiment ones. It is shown that the weakly compressible fluid model could be well adapted for problems with complex border conditions, acute than the compressible fluid model or the iso-pressure approximate model.

  Info
Periodical
Advanced Materials Research (Volumes 354-355)
Chapter
Chapter 1: Engineering Thermophysics
Edited by
Hao Zhang, Yang Fu and Zhong Tang
Pages
165-169
DOI
10.4028/www.scientific.net/AMR.354-355.165
Citation
J. Liu, S. Q. Wang, "Weakly Compressible Fluid Model to Study Thermal Effects on Laser Propagating in Closed Tube", Advanced Materials Research, Vols. 354-355, pp. 165-169, 2012
Online since
October 2011
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Price
$32.00
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