基于Fluent的轴流式风机风筒内部流场分析

Analysis of internal flow field of axial flow fan based on Fluent

针对现有的森林灭火设备不能完全适应森林火场的恶劣环境的问题,设计了一种节水、环保、高效、安全的电控自行走式风水灭火装备。利用三维软件Solidworks对自走式风水灭火机进行整机的结构设计,选定风机形式是轴流风机。采用Fluent软件对轴流风机内部流场进行分析,建立模型,得到流量图和速度云图,分析认为整机装备达到灭火要求。最后进行了样机的试制,完成样机对灭火的功能性试验,试验结果表明:样机的灭火时间在可控范围内,证明该机器的设计符合预计的设计要求。

Against the existing problem that forest fire-fighting equipment cannot fully adapt to the harsh environment of forest fire,a kind of water-saving,environmental protection,efficient and safe electric control self-propelled air-water fire-fighting equipment is designed.The structure of the self-propelled air-water fire extinguisher is designed with Solidworks,and the axial flow fan is selected.Fluent software is used to analyze the internal flow field of axial-flow fan,establish the model,and obtain the flow chart and velocity cloud chart.Analysis shows that the whole equipment meets the fire-fighting requirements.Finally,the prototype is trial manufactured,and the functional test of the prototype is completed.The test results show that the fire-fighting time of the prototype is within the controllable range,which proves that the design of the machine meets the expected design requirements.