Using the inverse method to estimate the solar absorptivity and emissivity of wood exposed to the outdoor environment

Wook Kang, Yong Hun Lee, Chun Won Kang, Woo Yang Chung, Hui Lan Xu, Junji Matsumura

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)

抄録

This study used the inverse method to investigate the solar absorptivity and emissivity of wood. The solar absorptivity and emissivity estimates were 0.396 (0.308-0.570) and 0.526 (0.307-0.772), respectively. They were highly dependent on the boundary conditions of convective heat transfer coefficients. Emissivity was much lower than that seen in most previous studies. Absorptivity was closely related to the L*a*b* color system, mainly to whiteness. It increased with increasing density because lightness or whiteness has the highest correlation with density. There was a weak positive correlation between absorptivity and emissivity overall with R2=0.223.

本文言語英語
ページ(範囲)139-148
ページ数10
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
56
1
出版ステータス出版済み - 2 2011
外部発表はい

All Science Journal Classification (ASJC) codes

  • バイオテクノロジー
  • 農業および作物学

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