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Effect of wet bulb depression on heat sterilization time of slash pine lumberAuthor(s): William T. Simpson
Source: (Research paper FPL-RP ; 604):6 p. : ill. ; 28 cm.
Publication Series: Research Paper (RP)
Station: Forest Products Laboratory
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DescriptionFor international trade, heat sterilization of wood products is often required to prevent the spread of insects and pathogens. Application of heat sterilization requires estimates of the time necessary to heat the center of the wood configuration to the temperature required to kill the insect or other pest. The nature of the heating medium was found to have a significant effect on heating time of slash pine lumber. The heating time increased exponentially with wet bulb depression. When the wet bulb temperature in the heating chamber was below the desired center temperature, heating times were extended far beyond the times when target center temperature was greater than the wet bulb temperature. This effect was less in air-dried lumber than in green lumber.
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CitationSimpson, William T. Effect of wet bulb depression on heat sterilization time of slash pine lumber. (Research paper FPL-RP ; 604):6 p. : ill. ; 28 cm.
KeywordsLumber--Diseases and pests--Control, Lumber--Drying, Lumber--Heat treatment
- Heat sterilization time of ponderosa pine and Douglas-fir boards and square timbers
- Heat sterilization times of five hardwood species
- Mechanisms responsible for the effect of wet bulb depression on heat sterilization of slash pine lumber
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