Brown, C.
, Vogl, G.
and Tam, W.
(2023),
Measuring Water Flow Rate for a Fire Hose Using a Wireless Sensor Network for Smart Fire Fighting: An Update Using Various Hose Conditions, Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.TN.2245, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=936101
(Accessed November 21, 2024)
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Measuring Water Flow Rate for a Fire Hose Using a Wireless Sensor Network for Smart Fire Fighting: An Update Using Various Hose Conditions
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Author(s)
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Abstract
A wireless sensor network was created to measure water-flow rate in a fire hose. An integrated electronic piezoelectric (IEPE) accelerometer was chosen as the sensor to measure the flow rate based on the vibrations generated by water flowing through a fire hose. The improved flow apparatus, including the accelerometer, was lightweight, small, and easily attached and removed to any location along the fire hose, not obstructing the water's flow path. The wireless flow apparatus was used with realistic firefighting hose conditions (i.e., holding the hose nozzle, nozzle motion during simulated fire suppression, simulated hose dragging) to evaluate the upgraded apparatus function and determine the influence of the hose motion, accelerometer location, and nozzle spray on the dominant-frequency metric. While more research is needed, such as enhancing the robustness of the dominant frequency metric, the preliminary research and this update shows the potential of a "smart" fire hose for improved situational awareness during fire suppression.Citation
Technical Note (NIST TN) - 2245
Report Number
2245
NIST Pub Series
Pub Type
NIST Pubs
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Keywords
Accelerometers, dominant frequency, fire hose, fire suppression, flow induced vibration, flow rate, hose vibration, sensors, smart firefighting, water flow rate measurement, wireless sensor network.
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Created January 26, 2023