Citation

Yang YC, Su CH, Chung K. J. Appl. Fire Sci. 2004; 13(4): 315-327.

Affiliation

Department of Mechanical Engineering, National Yunlin University of Science and Technology, Touliu City, Yunlin 640, Taiwan

Copyright

(Copyright © 2004, Baywood Publishing)

DOI

unavailable

PMID

unavailable

Abstract

The fine water droplet size spray is recognized as a perfect, fire suppression media for most fire accidents. Due to the undissolvable property with water for common use petrochemical substances, such as methanol, diesel and heptane, the water droplet size may severely influence the liquid fire extinguished effect with water spray. Therefore, an appropriate water droplet size range shall be understood for better fire extinguished effect design. An. experimental, program was investigated using laser particle diameter analyzer (PDA) to examine the test water droplet size under six different water supply pressures. A single water spray head was installed under the ceiling at a constant distance. The experimental results show that a water droplet size less than 700 micro-m may provide a better liquid pool fire extinguished effect for one liter liquid under a constant water flow rate test condition. However, it should be noted that the results are limited to the experimental, conditions.