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Performance Parameters Test and Quantitative Comparative Study of Fire Pump Under Low Air Environment

Author: ZhuJianXiong
Tutor: ZhangYongMing
School: University of Science and Technology of China
Course:
Keywords: fire pump low air-pressure environment quantitative study Parameters testing performance parameters curve fitting Virtual Instrument
CLC: TU892
Type: Master's thesis
Year: 2010
Downloads: 83
Quote: 0
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Abstract


Fire pump equipment is one of the important fire fighting system, its main function is to supply fire fighting and urban residents, while the fire pump performance parameters of the reaction of the basic properties of fire pump operation, it is the most fire pump core operating principle. Lhasa, Tibet, represented by low-pressure areas will not affect the fire pump performance parameters, to have much impact? For such problems, we should rely on the Tibetan Fire Department requirements and national "Eleventh Five-Year" science and technology support projects in Tibet, the Potala Palace as the representative of the ancient building fire safety technology background to carry out this study. Low pressure area on the fire pump performance parameters of an exploratory study, but there are immeasurable potential of the research value, mainly in three aspects: the low-pressure fire pump engineering application areas, the study system for fire Fire pump selection in the design of experimental scientific evidence and guidance; low pressure area of fire safety laws and regulations, this study also can give advice plateau fire regulations; fire pump design, low-pressure area for the study results provide a reference to the fire pump basis.This low pressure environment to study the fire pump performance testing and quantitative comparison, the basic structure from the fire pump impeller design theory and its external performance testing point of view of the fire pump theory and its experimental test run based on this basis theory of the low-pressure fire pump will impact the environment; around the parameters of the purpose of testing fire pump design low pressure environment, fire pumps multi-parameter test system hardware platform; test system based on hardware platform, software platform is designed in LABView8.5 a fire pump Overall Test software system; combination of hardware and software test systems, in Lhasa, Tibet areas of Testing fire pump test, realized the fire pump performance curve drawing; for fire pump test parameters, from fitting trend forecasting point of view, motor output power angle and angle of fire pump NPSH completed in Lhasa Area fire pump rated conditions lift shaft power of quantitative comparative study, the effective condition of fire pump shaft power of quantitative research and the fire pump installation height of the quantitative comparison study.Experimental research results and the results mainly reflected the following two points: first, the design of low-pressure environment of Lhasa, Tibet’s fire pump system of scientific and reliable hardware and software testing can be effective on the fire pump performance test of reasonable parameters; Second, Comparative analysis of quantitative test results of some conclusions drawn as a rated fire pump lift condition parameter lower than 14 meters under atmospheric pressure, shaft power less than atmospheric pressure 8.7KW; in the economic operating conditions, fire pump shaft power ratio about atmospheric pressure to reduce 8KW; for fire pump installation height of Lhasa, Tibet, and its value at atmospheric pressure than normal to reduce the maximum installation height of 3.6 meters.

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