Numerical modeling of water spray suppression of conveyor belt fires in a large-scale tunnel

Yuan, Liming; Smith, Alex C.

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CDC STACKS serves as an archival repository of CDC-published products including scientific findings, journal articles, guidelines, recommendations, or other public health information authored or co-authored by CDC or funded partners. As a repository, CDC STACKS retains documents in their original published format to ensure public access to scientific information.

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Numerical modeling of water spray suppression of conveyor belt fires in a large-scale tunnel

5 2015
By Yuan, Liming ; Smith, Alex C.
Source: Process Saf Environ Prot. 95:93-101

[PDF-940.90 KB]

English

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Details:

Alternative Title:

Process Saf Environ Prot
Personal Author:

Yuan, Liming ; Smith, Alex C.

Yuan, Liming ; Smith, Alex C. Less -
Description:

Conveyor belt fires in an underground mine pose a serious life threat to miners. Water sprinkler systems are usually used to extinguish underground conveyor belt fires, but because of the complex interaction between conveyor belt fires and mine ventilation airflow, more effective engineering designs are needed for the installation of water sprinkler systems. A computational fluid dynamics (CFD) model was developed to simulate the interaction between the ventilation airflow, the belt flame spread, and the water spray system in a mine entry. The CFD model was calibrated using test results from a large-scale conveyor belt fire suppression experiment. Simulations were conducted using the calibrated CFD model to investigate the effects of sprinkler location, water flow rate, and sprinkler activation temperature on the suppression of conveyor belt fires. The sprinkler location and the activation temperature were found to have a major effect on the suppression of the belt fire, while the water flow rate had a minor effect.
Subjects:

[+]

Article Computational Fluid Dynamics Conveyor Belt Fires Flame Spread Ventilation Water Sprinkler Systems
Source:

Process Saf Environ Prot. 95:93-101
Pubmed ID:

26190905
Pubmed Central ID:

PMC4503527
Document Type:

Journal Article
Funding:

CC999999/Intramural CDC HHSUnited States/
Volume:

95
Collection(s):

CDC Public Access
Main Document Checksum:

[+]

urn:sha256:8a0f7287fed200080b0db0f28f7be80186a2b10e7ce350994ebc78fadf482c5d
Download URL:

https://stacks.cdc.gov/view/cdc/32219/cdc_32219_DS1.pdf
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