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Engineering  |  FURI

Christian Messner

Hometown: Chandler, Arizona, United States | Graduation Date: Spring 2021
Mechanical engineering

Steady-State Measurements of Near-Field Radiative Heat Transfer between Ultra-Flat Thin-Film Materials

Mentor:
Research Theme: Energy
FURI: Spring 2020

The radiative heat transfer between two objects is conventionally limited by Planck’s radiation law. When the gap spacing becomes smaller than the characteristic thermal wavelength, it is possible to greatly surpass this limit with so-called near-field effect. The research objective is to experimentally prove this enhancement by using a steady-state apparatus to measure the radiative heat flux between two plates coated with different thin-film oxides across a nanosized gap. Harnessing this energy increase allows for applications directly related to thermal energy conversion, and radiative thermal management.

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Steady-State Measurements of Near-Field Radiative Heat Transfer between Ultra-Flat Thin-Film Materials

Mentor:
Research Theme: Energy
FURI: Fall 2019

The total radiative heat transfer between two objects is limited by Planck’s radiation law. However, when the gap spacing between the two objects becomes smaller than the characteristic thermal wavelength, it is possible to greatly surpass this limit. The research objective is to prove this enhancement by using a steady-state apparatus to measure the radiative heat flux between two ultra-flat SiO2 plates separated by a 200nm nanosized gap. Harnessing this energy increase allows for applications directly related to thermophotovoltaic energy conversion, contactless thermal rectification, and radiative cooling.

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