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二维周期性多孔La0.83Sr0.17Mn0.9Zn0.1O3发射率研究
  • ISSN号：0253-231X
  • 期刊名称：工程热物理学报
  • 时间：2010
  • 页码：54-56
  • 分类：TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]南京理工大学动力工程学院,江苏南京210094
  • 相关基金：国家自然科学基金资助项目（No.509360021No.50876044）
  • 相关项目：多因素耦合作用下微/纳尺度热辐射特性及传输机理研究
作者： 黄金国|宣益民|李强|
关键词： 钙钛矿型氧化物, 时域有限差分方法, 发射率, peroskite-type oxides, the finite-difference time-domain method, emissivity
中文摘要：

基于麦克斯韦方程组，利用时域有限差分方法（FDTD）计算了二维周期性多孔钙钛矿型氧化物La0．83Sr0．17Mn0．9Zn0．1O3（LSMZO）的光谱特性，讨论了结构尺寸对光谱特性的影响。计算结果表明，当孔径约比热辐射波长小一个量级时，周期性多孔LSMZO的发射率比块体材料有所提高，这对改善热致变色材料的性能具有一定的指导意义。

英文摘要：

Spectral characteristics of peroskite-type oxide La0.83Sr0.17Mn0.9Zn0.1O3 （LSMZO） with two-dimensional periodic porous structure were numerically analyzed, by means of the finite-difference time-domain method （FDTD） based on Maxwell＇s equations. The effects of structural sizes on spectral characteristics were discussed. The results show that when the aperture is one order smaller than thermal radiation wavelength, the surface emissivity of LSMZO is enhanced compared with that of the bulk material, which provide some instructive information for improving the performance of thermochromic materials.

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多因素耦合作用下微/纳尺度热辐射特性及传输机理研究
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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026