<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper is motivated by the previous research concerning the heat transfer in a heat accumulation device. The device had been explored, built up and tested with the aim of utilization of cheap solar energy and its storage. In this heat storage system, a vacuum-like gap between two concentric containers acts as an insulating layer, radiation being the predominant heat transfer type in the gap. The better knowledge and understanding of the heat exchange by radiation, the more effectiveness of the insulation of the layer can be reached. Heat transfer by radiation is explored in the paper, mathematical model is set up, the algorithm of non-linear transient computation is introduced, and some illustrative results of this computation are performed.</p></abstract>

The paper is motivated by the previous research concerning the heat transfer in a heat accumulation device. The device had been explored, built up and tested with the aim of utilization of cheap solar energy and its storage. In this heat storage system, a vacuum-like gap between two concentric containers acts as an insulating layer, radiation being the predominant heat transfer type in the gap. The better knowledge and understanding of the heat exchange by radiation, the more effectiveness of the insulation of the layer can be reached. Heat transfer by radiation is explored in the paper, mathematical model is set up, the algorithm of non-linear transient computation is introduced, and some illustrative results of this computation are performed.

Radiation of Heat in an Insulating Vacuum Layer

Tatra Mountains Mathematical Publications

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Radiation of Heat in an Insulating Vacuum Layer"}

The paper is motivated by the previous research concerning the heat transfer in a heat accumulation device. The device had been explored, built up and tested...

Radiation of Heat in an Insulating Vacuum Layer

Published Online: Mar 23, 2018

Page range: 87 - 100

Received: Apr 13, 2017

DOI: https://doi.org/10.1515/tmmp-2017-0016

Keywords
insulation gap, transient heat equation, heat radiation, nonlinearity, heat flux, heat accumulation, view factor, temperature field

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Radiation of Heat in an Insulating Vacuum Layer

Published Online: Mar 23, 2018

Page range: 87 - 100

Received: Apr 13, 2017

DOI: https://doi.org/10.1515/tmmp-2017-0016

Keywordsinsulation gap, transient heat equation, heat radiation, nonlinearity, heat flux, heat accumulation, view factor, temperature field

© 2018

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
insulation gap, transient heat equation, heat radiation, nonlinearity, heat flux, heat accumulation, view factor, temperature field