Effect of Water Mist Fire Suppression System on Electrical Cables Fires | ||||
| Engineering Research Journal | ||||
| Volume 184, Issue 4, September 2025, Page 23-36 PDF (794.98 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/erj.2025.415443.1277 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Abd El-Moneim A. Harb   ; Sadek H; Noha M. Taha; Ahmed Awwad
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| Helwan University - Faculty of Engineering Mataria- Department of Mechanical Power Engineering - Egypt | ||||
| Abstract | ||||
| Firefighting systems for electrical cables are crucial for safety and functionality during emergencies. They ensure the continuity of critical safety systems, minimize fire spread, and reduce the risk of smoke and toxic gas exposure. Therefore, the objective of the current work is to experimentally investigate the performance and effectiveness of a water mist firefighting system for protecting electrical cables, contributing to the design and development of water mist nozzles. Three types of cables, namely navigation cable, power cable, and electrical cable, were used to investigate the fire protection performance of two different fire nozzles: the Viking nozzle and the ES nozzle. The experiments were conducted in the Firefighting Laboratory of the Mechanical Power Department, Faculty of Engineering (El-Mataria), Helwan University, using a low-pressure water mist system to extinguish cable fires. The experimental comparison between the water mist nozzles was based on visual observation, temperature, fire extinction time, working pressure and water flow rate. The results of this experiment showed that low pressure water mist system is very effective for small-scale cable fires. Moreover, the Viking nozzle achieved superior performance by reducing the fire suppression period by around 76%, 55% and 25% for power cables, electrical cables, and navigation cables, respectively, and shortening the cooling period by about 82 - 83% compared with the ES nozzle. | ||||
| Keywords | ||||
| Low pressure water mist; fire nozzle; electrical cables; water droplet | ||||
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