Hewson, J.
and Keyser, D.
(2004),
Predicting re suppression in a simulated engine nacelle, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=909397
(Accessed December 6, 2024)
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Predicting re suppression in a simulated engine nacelle
Published
Author(s)
J C. Hewson, David R. Keyser
Abstract
The Vulcan re-eld model is employed to simulate the evolution of pool res and the distribution of re suppressants in a engine nacelle simulator. The objective is to identify conditions for which suppression will and will not be successful in order to (1) provide input on experimental design and (2) to test the model's predictive capabilities through comparison with future test results. Pool res, where the fuel pool is on the bottom of the nacelle, have been selected for these tests because they have been identied as among the most challenging to suppress. Modeling of the production HFC-125 re suppression system predicts that all pool res are extinguished. Removing nozzles and reducing the rate of suppressant injection eventually lead to a predicted failure to suppress the res. The stability of the res, and therefore the difculty in extinguishing them, depends on a variety of additional factors as discussed in the text.Citation
Special Publication (NIST SP) - 984-4
Report Number
984-4
NIST Pub Series
Pub Type
NIST Pubs
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Created January 1, 2004, Updated February 19, 2017