Parametric variation analysis on time corresponding to initiation and ending of evaporation during laser heating

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Abstract

In the present study, an analytical solution for surface temperature during laser non-conduction limited heating is presented. An exponential time varying pulse is employed in the analysis. The influence of pulse parameter (β′) and laser pulse intensity (Io) on the initiation and ending times of evaporation is investigated. It is found that the rate of surface temperature rise is high in the early heating period due to a considerably high internal energy gain of the substrate material. The time corresponding to the initiation of evaporation decreases with reducing β′ and increasing Io. Moreover, opposite is true for time corresponding to the ending of evaporation.

Original languageEnglish
Pages (from-to)243-254
Number of pages12
JournalInternational Communications in Heat and Mass Transfer
Volume29
Issue number2
DOIs
StatePublished - Feb 2002

Bibliographical note

Funding Information:
The authors acknowledge the support of King Fahd University of Petroleum and Minerals.

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Chemical Engineering
  • Condensed Matter Physics

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