Examination of multispectral radiation thermometry using linear and log-linear emissivity models for aluminum alloys

Alex Chang-Da Wen, Tzung Yuan Chai

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Multispectral radiation thermometry (MRT) using two commonly used emissivity models, linear emissivity models (LEM) and log-linear emissivity models (LLE), was used to predict the aluminum surface temperature. Experiments were conducted to measure the spectral intensity values for five different aluminum alloys at three different temperatures. Overall, three emissivity models give good results most frequently and provide the best compensation for different alloys, the number of wavelengths, temperatures, and heating time.

Original languageEnglish
Pages (from-to)847-856
Number of pages10
JournalHeat and Mass Transfer/Waerme- und Stoffuebertragung
Volume47
Issue number7
DOIs
Publication statusPublished - 2011 Jul 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Fluid Flow and Transfer Processes

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