T-type Raman spectroscopy method for determining laser absorption, thermal conductivity and air heat transfer coefficient of micro/nano fibers

Qin Yi Li, Xing Zhang

研究成果: ジャーナルへの寄稿記事

9 引用 (Scopus)

抄録

The accurate thermal property characterization of micro/nano fibers is crucial for precise micro/nano technology. We developed a non-contact T-type Raman spectroscopy method for combined determination of micro/nano fibers' laser absorption, thermal conductivity and air heat transfer coefficient. The accuracy of laser absorption measurement is independent of the fiber properties or thermal contact resistance. When determining the thermal conductivity, the thermal contact resistance can be easily eliminated. Moreover, the air heat transfer coefficient is determined based on the accurate laser absorption and thermal conductivity data of the same sample. Case studies show that this method is sensitive and accurate for micro/nano fiber characterization.

元の言語英語
ページ(範囲)26-31
ページ数6
ジャーナルThermochimica Acta
581
DOI
出版物ステータス出版済み - 4 10 2014
外部発表Yes

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heat transfer coefficients
Heat transfer coefficients
Raman spectroscopy
Thermal conductivity
thermal conductivity
Contact resistance
contact resistance
fibers
Fibers
Lasers
air
Air
lasers
Fiber lasers
nanotechnology
Nanotechnology
fiber lasers
Thermodynamic properties
thermodynamic properties
conductivity

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

これを引用

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AB - The accurate thermal property characterization of micro/nano fibers is crucial for precise micro/nano technology. We developed a non-contact T-type Raman spectroscopy method for combined determination of micro/nano fibers' laser absorption, thermal conductivity and air heat transfer coefficient. The accuracy of laser absorption measurement is independent of the fiber properties or thermal contact resistance. When determining the thermal conductivity, the thermal contact resistance can be easily eliminated. Moreover, the air heat transfer coefficient is determined based on the accurate laser absorption and thermal conductivity data of the same sample. Case studies show that this method is sensitive and accurate for micro/nano fiber characterization.

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