Title:

Multi-scale analyses of wildland fire combustion processes: Small-scale field experiments – fire radiative power

Author(s):

Kremens, Robert L.; Gallagher, Michael R.; Clark, Kenneth L.; Mueller, Eric V.; Hadden, Rory M.; Heilman, Warren E.; Charney, Joseph J.; Hom, John L.; Campbell-Lochrie, Zakary J.; Walker-Ravena, Carlos; Everland, Alexis I.; Cole, Jason A.; Patterson, Matthew M.; Skowronski, Nicholas S.

Publication Year:

2022

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the citation below when citing the data product:

Kremens, Robert L.; Gallagher, Michael R.; Clark, Kenneth L.; Mueller, Eric V.; Hadden, Rory M.; Heilman, Warren E.; Charney, Joseph J.; Hom, John L.; Campbell-Lochrie, Zakary J.; Walker-Ravena, Carlos; Everland, Alexis I.; Cole, Jason A.; Patterson, Matthew M.; Skowronski, Nicholas S. 2022. Multi-scale analyses of wildland fire combustion processes: Small-scale field experiments – fire radiative power. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2022-0077

Abstract:

The United States Department of Defense (DoD) Strategic Environmental Research and Development Program (SERDP) funded project: "Multi-scale Analyses of Wildland Fire Combustion Processes in Open-canopied Forests using Coupled and Iteratively Informed Laboratory-, Field-, and Model-based Approaches (RC-2641)" small-scale field experiments were designed to investigate how contrasting fuel conditions (e.g., fuel load, particle type, bulk density), fire spread type (e.g., heading vs. backing), and ambient conditions (e.g., seasonality, moisture, flow, temperature) influenced physical processes associated with combustion (e.g., heat transfer, flame propagation, flow) and the scale-dependent coupling of these processes. Additionally, these experiments provide 1) a linkage between small-scale laboratory combustion experiments and large-scale operational prescribed fires, and 2) archived datasets for further model development and evaluation. Our experimental design incorporates complementary approaches, methods, and instrumentation employed at these other scales, to quantify critical properties of the experimental fires’ physics domains (e.g., fuels and ambient conditions) and processes associated with combustion (e.g., heat transfer, flame propagation, flow). The small-scale field experiments include a series of highly instrumented, intermediate-scale experiments conducted on 100 square meter plots at the Silas Little Experimental Forest, New Lisbon, New Jersey.

This dataset contains data from 35 burns in 2018 and 2019 collected with sixteen dual band infrared (IR) radiometers each paired with a differential pressure sensor mounted. Each sensor pair was mounted adjacent to a sonic anemometer on aluminum trusses at heights of 2.5 - 3.0 meters (m) (depending on the specific experiment) in a 4 by 4 grid arrangement over the fuelbeds for all experiments. Data were collected at 1 hertz (Hz). The radiometric data were used to measure radiative heat fluxes, flame arrival times and persistence. In the same housing as the radiometer is a vertical flow instrument, and those data are also included.

Keywords:

fire behavior; fire spread; combustion; computational fluid dynamics; drag forces; fuel structure; heat fluxes; prescribed burn; radiant flux ; fire radiant flux density; total radiant energy release ; fire radiated energy density; air temperature; biota; climatologyMeteorologyAtmosphere; environment; Fire; Fire suppression, pre-suppression; Prescribed fire; Smoke; Wildland/urban interface; Silas Little Experimental Forest; New Jersey; Burlington County; Pinelands National Reserve; PNR; Pine Barrens; NJPB; Pinelands

Related publications:

• Gallagher, Michael R.; Skowronski, Nicholas S.; Hadden, Rory M.; Mueller, Eric V.; Clark, Kenneth L.; Campbell-Lochrie, Zakary J.; Walker-Ravena, Carlos, ; Kremens, Robert L.; Everland, Alexis I.; Patterson, Matthew M.; Cole, Jason A.; Heilman, Warren E.; Charney, Joseph J.; Bian, Xindi, ; Mell, William E.; Hom, John L.; Im, Seong-kyun; Kiefer, Michael T.; Zhong, Shiyuan, ; Simeoni, Albert J.; Rangwala, Ali; Di Cristina, Giovanni. 2022. Multi-scale analyses of wildland fire combustion processes: Small-scale field experiments - plot layout and documentation. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2022-0079
• Kremens, Robert L.; Smith, Alistair M. S.; Dickinson, Matthew B. 2010. Fire metrology: current and future directions in physics-based methods. Fire Ecology. 6: 13-25. https://doi.org/10.4996/fireecology.0601013

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