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The Structural Paramaters Optimization and Hydraulic Performance Research of Fixed Fire Water Monitor

Author: ChenWeiGang
Tutor: HuGuoLiang
School: East China Jiaotong University
Course: Mechanical Manufacturing and Automation
Keywords: Fixed fire water cannons Structural optimization Hydraulic performance Simulation Analysis Similarity Analysis
CLC: TU998.13
Type: Master's thesis
Year: 2011
Downloads: 57
Quote: 0
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Abstract


With the rapid development of the national economy and urban construction , fire accidents increasing number showing a diverse, high - risk fire fighting and rescue work has become increasingly difficult ; In order to achieve efficient, fast extinguishing effect to protect people's lives and property safety as well as fire and rescue personnel from harm ; powerful, high flow fire water cannons to become an important and indispensable part of fire prevention , increasing its role in the field of fire fighting ; performance is good or bad , directly affecting fire quality. Domestic fire water cannons aspects of the design , production and application , it is necessary to study the hydraulic performance of the fire water cannons and optimize its structure parameters . PS100 fixed fire water cannons experimental data according to the the existing fire water cannons theory of , and trial experience , design , and optimization of the mechanical structure of the overall fire water cannons , and check the key components . PS100 type fire water cannons theoretical calculation of the parameters , the simulation analysis through CFD the Fluid simulation software Fluent its flow channel and the exit jet , verify their reasonableness . Various flow channel structure modeling , simulation , visualization of pressure , velocity , hydraulics performance analysis of each runner , draw the behaviors of the structure of the flow channel hydraulics . To arrive at a good runner hydraulics , optimize the structure of the flow channel of the fire water cannons . The analysis DC and spray conversion , analysis of the nozzle structure and export boundary layer of the water cannon jet investigated obtained discriminant jet quality criteria . Meet jet requirements under the premise , as far as possible the fire water cannons structure . Compact and beautiful , streamlined . Create a mathematical model to further optimize the design of the PS100 fixed fire water cannons . According to the principle of similarity , conform to a variety of similarity of the structural parameters of the fire water cannons similarity analysis . Fixed fire water cannons water spray test , a fixed fire water cannons structure parameter design method derived on the basis of the experimental verification . By the Fluent simulation analysis , to achieve the optimization of the hydraulic performance of fire water cannons , similar application can be extended to optimize the design of the different series of fire water cannons and hydraulic machinery ; reduce design costs and improve design efficiency ; fire water for later gun design and manufacturing provides theoretical basis .

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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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