Study and Simulation for Optimization Plan of the Liquamatic Fire Water Cannon with Self-swinging Device

摘要

In this paper, fluid field simulation was conducted with the fire water cannon, which is one of the most commonly used equipments in fire fighting. The working principle of the liquamatic fire water cannon was introduced. The internal flow performance was simulated using Fluent software; the influence rules on jet characteristics were analyzed by changing the cross-sectional shape and diameters of the monitor body, inlet pressure and drive set of the self-swinging device. These analyses led to the optimal structural parameters of flow channel. These simulation results will provide useful theoretical guidance for design of other types of fire water cannon. The liquamatic Fire water cannon with self-swinging device was designed. The mechanism of an impeller driving four bar linkage was applied as the self-swinging device.