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JET Characteristics Study of a Liquamatic Fire Water Monitor with Self-Swinging Device

Author: LiangJuXing
Tutor: HuGuoLiang
School: East China Jiaotong University
Course: Mechanical and Electronic Engineering
Keywords: The hydraulic drive since tilting fire water cannons Structural design Fluent simulation Jet Characteristics Structural parameters Nozzle
CLC: TU998.13
Type: Master's thesis
Year: 2011
Downloads: 49
Quote: 0
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Abstract


With the continuous economic and social development , increasing fire protection requirements . Fire water cannons to put out the fire fast and efficient fire tools , to prevent the fire from spreading . Therefore , the role of fire water cannon firefighting . Firefighters can not be close to or can not stay long occasion , hydraulic self - tilting fire water cannons to use pressure water to drive the fire water cannons from the sway device allows for unattended operation , can better protect the firefighters . Developed in China since the pendulum fire water cannons still use the traditional method of experience , the high cost of trial , the trial production cycle is long in the largely restricts the development of the fire water cannons , fire water cannons designed since placed far from being able to meet the fire needs. Therefore , is particularly important since placed a jet of fire water cannons . The main research contents are as follows : The first chapter introduces the research background and significance as well as fire water cannons classification and on key technologies at home and abroad mobile fire water cannons research status and trends . Finally, the content and difficulty of the thesis . The second chapter , on the basis of analysis of domestic and hydraulic self- placed fire water cannons to design a kind of self- tilting hydraulic drive unit fire water cannons . Since the design of the main structure of the swing mechanism , the operating mechanism . Chapter III , Pro / E software to build a hydraulic drive from tilting fire water cannons within the flow channel model . With The Fluent software fire water cannons structural parameters of the internal flow field simulation reveals the impact of structural parameters on the characteristics of the jet , and the optimum flow channel structure parameters . Also analyzed the factors that affect recoil . Chapter IV , designed one to meet the DC and spray nozzle , and the nozzle structure model . Fluent software, simulation analysis , the choice of different nozzle opening, inner diameter obtained the best nozzle jet parameters . Chapter V , since the hydraulic drive pendulum fire water cannons jet experiments , the experimental results show that the fire water cannons to meet the jet requirements . By comparing the experimental accuracy of the simulation results show that the self- tilting fire water cannons . The sixth chapter summarizes the results of the full - text research and analysis and Prospects for further research work and direction .

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Other municipal works and utility equipment > Fire control > Fire-fighting equipment
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