Far-field thermal radiation through a nano aperture is calculated in this paper. Results show that for aperture size ≪ dominant wavelength of thermally excited photons, heat flux deviates significantly from the well known Planck blackbody expression of σT4 , where σ is the Stefan-Boltzmann constant and T is the temperature. The heat flux through a nano-hole is proportional to T8 and a4 , where a is the radius of the hole. Heat flux is proportional to T8 and a4 due to diffraction effects. Potential applications of radiation heat transfer through nano apertures are also discussed in the paper.
BT - ASME 2006 International Mechanical Engineering Congress and Exposition DA - 11/2006 DO - 10.1115/IMECE2006-13155 LA - eng N2 -Far-field thermal radiation through a nano aperture is calculated in this paper. Results show that for aperture size ≪ dominant wavelength of thermally excited photons, heat flux deviates significantly from the well known Planck blackbody expression of σT4 , where σ is the Stefan-Boltzmann constant and T is the temperature. The heat flux through a nano-hole is proportional to T8 and a4 , where a is the radius of the hole. Heat flux is proportional to T8 and a4 due to diffraction effects. Potential applications of radiation heat transfer through nano apertures are also discussed in the paper.
PB - American Society of Mechanical Engineers PY - 2006 EP - 171–175 T2 - ASME 2006 International Mechanical Engineering Congress and Exposition T3 - ASME 2006 International Mechanical Engineering Congress and Exposition TI - Thermal Radiation Through a Nano Aperture ER -