Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Hot-Air Extermination of Insects: The Only Sustainable Method for Historical Timber Constructions

Version 1 : Received: 24 November 2020 / Approved: 25 November 2020 / Online: 25 November 2020 (11:03:39 CET)

How to cite: Solar, J.; Alexa, P. Hot-Air Extermination of Insects: The Only Sustainable Method for Historical Timber Constructions. Preprints 2020, 2020110633 (doi: 10.20944/preprints202011.0633.v1). Solar, J.; Alexa, P. Hot-Air Extermination of Insects: The Only Sustainable Method for Historical Timber Constructions. Preprints 2020, 2020110633 (doi: 10.20944/preprints202011.0633.v1).

Abstract

Wood-borer extermination by a dry heat clean-up is the essential method from the point of view of sustainability of historical wooden structures like trusses and ceilings in heritage-listed buildings. The wooden components are heated by a hot air of temperature about 100°C until the temperature in the centre of the wooden structures reaches 55°C to kill the wood-borers. In this article we review the method and present solution of the heat equation for structural wooden components. We also suggest an approximate formula that enables to estimate the necessary heating time for different cross sections of wooden components and can be used in technical application of the method.

Subject Areas

wooden structures; wood-borer; thermal flow; listed buildings

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