Aerogel Product Applications for High-Temperature Thermal Insulation

Autor: Alexander V. Fedyukhin, Konstantin V. Strogonov, Olga V. Soloveva, Sergei A. Solovev, Irina G. Akhmetova, Umberto Berardi, Mark D. Zaitsev, Daniil V. Grigorev
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Energies, Vol 15, Iss 20, p 7792 (2022)
Druh dokumentu: article
ISSN: 1996-1073
03608794
DOI: 10.3390/en15207792
Popis: This paper presents the results of theoretical and experimental studies to determine the optimal thickness of thermal insulation from basalt fiber and aerogel products for pipelines at temperatures of 300 and 600 °C. We carried out a comparison of the key thermophysical characteristics of the claimed heat-insulating materials. We performed a thermal imaging survey of the furnace chimney, insulated with basalt fiber and aerogel, while controlling the temperature of the flue gases by establishing the required ratio of the flow rate of natural gas and oxidizer. The temperature gradient along the thickness of the thermal insulation was obtained using a numerical tool developed in ANSYS. The results show that aerogel surpasses basalt fiber in all key thermophysical characteristics. At the same time, the only barrier to widespread industrial production and use of aerogel in the high-temperature thermal insulation segment is its market cost, which is still several times higher than that of basalt fiber in terms of an equivalent performance.
Databáze: Directory of Open Access Journals
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