The effect of the form of the transverse cross section of the laser beam on the error in determining thermal characteristics by the pulse method

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Abstract

The two-dimensional problem of heat conduction in a cylindrical sample of material is solved numerically when a short heat pulse acts on its surface and the heated region is in the form of a circle. It is shown that the use of a laser beam with a transverse cross section of rectangular form gives a considerably smaller error in determining the thermal characteristics.

Original languageEnglish
Pages (from-to)674-678
Number of pages5
JournalMeasurement Techniques
Volume53
Issue number6
DOIs
Publication statusPublished - Oct 2010

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Keywords

  • numerical solution
  • pulse method
  • thermal characteristics

ASJC Scopus subject areas

  • Applied Mathematics
  • Instrumentation

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