Hurley, M.
and Munguia, A.
(2009),
Analysis of FDS Thermal Detector Response Prediction Capability. NIST GCR 09-921, Grant/Contract Reports (NISTGCR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901391
(Accessed March 13, 2025)
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Analysis of FDS Thermal Detector Response Prediction Capability. NIST GCR 09-921
Published
Author(s)
Morgan J. Hurley, Alex Munguia
Abstract
Predictions of fire plume and ceiling jet temperature and the response of thermal detectors from NIST's Fire Dynamics Simulator(FDS)were compared to data from a series of full-scale tests conducted by Underwriters Laboratory. The tests were conducted in a 36.6 m x 36.6 m compartment with ceiling heights ranging from 3.0 m to 12.2 m. Heat release rates followed a modified t2 growth profile. Thermocouples attached to brass disks were used to simulate thermal detectors. FDS simulations were conducted wth a grid spacing of 100 mm. A convergence study found that grid-size convergence was achieved outside of the plume region. However, grid convergence was not achieved in the plume region at this grid spacing. Outside of the plume region, FDS predictions were within a factor of 1.9 of test data.Citation
Grant/Contract Reports (NISTGCR) -
NIST Pub Series
Pub Type
NIST Pubs
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Keywords
FDS, DETACT-QS, model evaluations, fire experiments, heat detectors
Citation
Issues
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Created January 16, 2009, Updated February 19, 2017