| Issue |
E3S Web Conf.
Volume 646, 2025
Global Environmental Science Forum “Sustainable Development of Industrial Region” (GESF-2025)
|
|
|---|---|---|
| Article Number | 00045 | |
| Number of page(s) | 9 | |
| DOI | https://doi.org/10.1051/e3sconf/202564600045 | |
| Published online | 28 August 2025 | |
On measuring the contributions of various components to heat transfer in air
The Kosygin State University of Russia, Moscow, Russia
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
In the horizontal non-convective configuration, the thermal conductivity of an air volume bounded by polystyrene sidewalls and isothermal parallel surfaces of the heater and cooler was measured at thermal energy emissivities close to 0 or 1. In the vertical configuration, the maximum natural convection-induced increase in thermal conductivity of the same volume was measured, depending on the gap thickness between the heater and cooler. The relationships between radiative, conductive, and convective contributions to heat transfer were determined. The conditions for the onset of natural convection were investigated.
© The Authors, published by EDP Sciences, 2025
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