This work addresses the validity of the local effective medium theory (EMT) in predicting the near-field radiative heat transfer between multilayered metamaterials, separated by a vacuum gap. Doped silicon and germanium are used to form the metallodielectric superlattice. Different configurations are considered by setting the layers adjacent to the vacuum spacer as metal–metal (MM), metal–dielectric (MD), or dielectric–dielectric (DD) (where M refers to metallic doped silicon and D refers to dielectric germanium). The calculation is based on fluctuational electrodynamics using the Green's function formulation. The cutoff wave vectors for surface plasmon polaritons (SPPs) and hyperbolic modes are evaluated. Combining the Bloch theory with the cutoff wave vector, the application condition of EMT in predicting near-field radiative heat transfer is presented quantitatively and is verified by exact calculations based on the multilayer formulation.
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September 2014
This article was originally published in
Journal of Heat Transfer
Research-Article
Application Conditions of Effective Medium Theory in Near-Field Radiative Heat Transfer Between Multilayered Metamaterials
X. L. Liu,
X. L. Liu
George W. Woodruff
School of Mechanical Engineering,
School of Mechanical Engineering,
Georgia Institute of Technology
,Atlanta, GA 30332
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T. J. Bright,
T. J. Bright
George W. Woodruff
School of Mechanical Engineering,
School of Mechanical Engineering,
Georgia Institute of Technology
,Atlanta, GA 30332
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Z. M. Zhang
Z. M. Zhang
1
George W. Woodruff
School of Mechanical Engineering,
e-mail: zhuomin.zhang@me.gatech.edu
School of Mechanical Engineering,
Georgia Institute of Technology
,Atlanta, GA 30332
e-mail: zhuomin.zhang@me.gatech.edu
1Corresponding author.
Search for other works by this author on:
X. L. Liu
George W. Woodruff
School of Mechanical Engineering,
School of Mechanical Engineering,
Georgia Institute of Technology
,Atlanta, GA 30332
T. J. Bright
George W. Woodruff
School of Mechanical Engineering,
School of Mechanical Engineering,
Georgia Institute of Technology
,Atlanta, GA 30332
Z. M. Zhang
George W. Woodruff
School of Mechanical Engineering,
e-mail: zhuomin.zhang@me.gatech.edu
School of Mechanical Engineering,
Georgia Institute of Technology
,Atlanta, GA 30332
e-mail: zhuomin.zhang@me.gatech.edu
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received March 20, 2014; final manuscript received May 14, 2014; published online June 27, 2014. Assoc. Editor: Zhixiong Guo.
J. Heat Transfer. Sep 2014, 136(9): 092703 (8 pages)
Published Online: June 27, 2014
Article history
Received:
March 20, 2014
Revision Received:
May 14, 2014
Citation
Liu, X. L., Bright, T. J., and Zhang, Z. M. (June 27, 2014). "Application Conditions of Effective Medium Theory in Near-Field Radiative Heat Transfer Between Multilayered Metamaterials." ASME. J. Heat Transfer. September 2014; 136(9): 092703. https://doi.org/10.1115/1.4027802
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