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Project ID: 11-1-4-19

Year: 2011

Date Started: 09/01/2011

Ending Date:  11/30/2015

Title: Determination of the Effects of Heating Mechanisms and Moisture Content on Ignition of Live Fuels

Project Proposal Abstract: After many years of research examining the ignition of wood and other cellulosic fuels, it is still unclear which modes of heat transfer will result in successful ignition of live wildland fuel particles. Thermal radiation can cause a fuel particle to pyrolyze to produce a gaseous mixture that can be pilot ignited. Convective heating can produce a pyrolysis mixture that ignites without a pilot. Moisture content of the live fuel particle may influence these results. We propose to examine the ability of heating by different combinations of thermal radiation and convection to ignite pyrolyzates from foliage of common live fuels. By testing fresh foliar samples monthly for a year, we will examine the influence of live fuel moisture content on the pre-ignition and ignition processes. We will accomplish this by designing and performing a series of collaborative experiments drawing upon ongoing work in two combustion labs and comparing experimental results with existing models. The anticipated benefit of this work will be expansion of our limited understanding and description of the ignition process of live wildland fuels that will contribute to improved fire behavior models.

Principal Investigator: David R. Weise

Agency/Organization: Forest Service

Branch or Dept: PSW-Forest Fire Lab-Riverside


Other Project Collaborators

Type

Name

Agency/Organization

Branch or Dept

Agreements Contact

Jennifer R. Jones

Forest Service

PSW-Pacific Southwest Research Station

Budget Contact

Anna Wong

Forest Service

PSW-Pacific Southwest Research Station

Co-Principal Investigator

Thomas H. Fletcher

Brigham Young University

Department of Chemical Engineering

Co-Principal Investigator

William ’Matt’ M. Jolly

Forest Service

RMRS-Fire Sciences Lab-Missoula

Co-Principal Investigator

Shankar M Mahalingam

University of Alabama-Huntsville

Department of Mechanical & Aerospace Engineering

Co-Principal Investigator

Sara S. McAllister

Forest Service

RMRS-Fire Sciences Lab-Missoula

Co-Principal Investigator

Babak Shotorban

University of Alabama-Huntsville

Department of Mechanical & Aerospace Engineering

Federal Cooperator

David R. Weise

Forest Service

PSW-Forest Fire Lab-Riverside


Project Locations

Consortium

California

Great Basin

Northern Rockies

South


Level

State

Agency

Unit

REGIONAL

Southeast

MULTIPLE

REGIONAL

Interior West

MULTIPLE

REGIONAL

Pacific Coast States

BLM


Project Deliverables

Final Report view or print

("Results presented in JFSP Final Reports may not have been peer-reviewed and should be interpreted as tentative until published in a peer-reviewed source.")

There are no deliverables available for this project.

Supporting Documents

There are no supporting documents available for this project.

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