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Document
Type: Report
Publication Date: 1973
An inconsistency arises in Rothermel's fire spread model when there are two or more categories. If a fuel load is split into identical classes in two separate categories, the reaction intensity is less than if the load is contained in a single class in one category. The author resolves the inconsistency by replacing the weighting parameter for each category with the effective heating number developed from the characteristic surface area-to-volume ratio of each category.
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Citation: Frandsen, William H. 1973. Using the effective heating number as a weighting factor in Rothermel's fire spread model. General Technical Report INT-GTR-10. Ogden, UT: USDA Forest Service, Intermountain Forest and Range Experiment Station. 7 p.
Cataloging Information
Topics:
Keywords:
- effective heating number
- fire spread model
- ignitibility
- mathematical models
- Rothermel model
- weighting parameter
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Record Maintained By: FRAMES Staff (https://www.frames.gov/contact)
FRAMES Record Number: 13851