NDLI: Validation and Assessment of a Water Mist Multi-hole Nozzle Model for Fire Simulations

Content Provider	Springer Nature Link
Author	Iannantuoni, Luca Ettorre, Daniele Manzini, Giovanni Araneo, Lucio
Copyright Year	2013
Abstract	In fire safety engineering, when codes and standards do not provide a good solution performance-based design appears the most effective approach to design protection systems for civil buildings and infrastructure. This circumstance often occurs for historical buildings under renovation, for large or complex buildings and for tunnels. In particular, numerical simulations of fire scenarios including evaporating sprays are very interesting due to the fact they have a great potential to assess the effectiveness of sprinklers, mist systems and fire fighting strategies that aim to control or suppress combustion. To do that, a fundamental knowledge of the sprays used and behavior is needed to obtain a good understanding of the effects on fire and smoke. Spray parameters seem different for every model and, besides, results are grid dependent, so comparisons with experimental data are needed to assure consistency of the conclusions. In this paper, the main focus is on the validation and assessment of a high-pressure single fluid water mist nozzle upon droplet dispersion and evaporation rates in different ambient air conditions in terms of temperatures and air humidity. Through the validation of a numerical set-up in OpenFOAM, it is possible to minimize the uncertainty that affect the description of the scenario when predicting its effectiveness in fire simulations.
Starting Page	505
Ending Page	524
Page Count	20
File Format	PDF
ISSN	00152684
Journal	Fire Technology
Volume Number	50
Issue Number	3
e-ISSN	15728099
Language	English
Publisher	Springer US
Publisher Date	2013-04-07
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Water mist Droplet Dispersion Experimental numerical CFD Parcel Civil Engineering Mechanics Characterization and Evaluation of Materials Physics
Content Type	Text
Resource Type	Article
Subject	Materials Science Safety, Risk, Reliability and Quality

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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