Aerogel Product Applications for High-Temperature Thermal Insulation

Alexander V. Fedyukhin (), Konstantin V. Strogonov, Olga V. Soloveva, Sergei A. Solovev, Irina G. Akhmetova, Umberto Berardi, Mark D. Zaitsev and Daniil V. Grigorev
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Alexander V. Fedyukhin: Energy Efficiency and Hydrogen Technology Department, Moscow Power Engineering Institute, National Research University, 111250 Moscow, Russia
Konstantin V. Strogonov: Energy Efficiency and Hydrogen Technology Department, Moscow Power Engineering Institute, National Research University, 111250 Moscow, Russia
Olga V. Soloveva: Institute of Heat Power Engineering, Kazan State Power Engineering University, 420066 Kazan, Russia
Sergei A. Solovev: Institute of Digital Technologies and Economics, Kazan State Power Engineering University, 420066 Kazan, Russia
Irina G. Akhmetova: Institute of Digital Technologies and Economics, Kazan State Power Engineering University, 420066 Kazan, Russia
Umberto Berardi: Department of Architectural Science, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
Mark D. Zaitsev: Energy Efficiency and Hydrogen Technology Department, Moscow Power Engineering Institute, National Research University, 111250 Moscow, Russia
Daniil V. Grigorev: Energy Efficiency and Hydrogen Technology Department, Moscow Power Engineering Institute, National Research University, 111250 Moscow, Russia

Energies, 2022, vol. 15, issue 20, 1-15

Abstract: 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.

Keywords: high-temperature thermal insulation; aerogel; basalt fiber; thermal conductivity; natural gas furnace (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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