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Research on the Formation and Detonation of Multi-point Dispersal Cloud

Author: FanNengYue
Tutor: WangBoLiang
School: Nanjing University of Technology and Engineering
Course: Safety Technology and Engineering
Keywords: Repeatedly throw Concentration distribution Numerical Simulation Explosion parameters
CLC: TK16
Type: Master's thesis
Year: 2010
Downloads: 65
Quote: 0
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Abstract


In this paper, test and simulation method of combining the research process repeatedly throw fuel research : the research background and research status of the summary of the fuel cloud formation and detonation properties ; analysis of the factors influencing the process several times to throw ; using MATLAB simulation repeatedly throw the spatial distribution of the fuel concentration in the process , and in order to determine the optimum conditions of the test initiation ; choose a liquid fuel as an object of study , the use of relevant test means its explosion process research . Channeling fire Fuel Dispersion process of testing and analysis , been reliable and dispersal conditions , provided the basis for the field trials under - stage . Fuel concentration distribution curve by using MATLAB simulation and analysis of the law of the influence of several factors on the distribution of fuel concentration , the results showed that : repeatedly throw the concentration of the process in line with the normal distribution trend intermediate concentration compared to the concentration on both sides low: under the same conditions , with Dispersal point number or the amount of fuel is increasing , the corresponding concentration value also becomes larger and larger . Field static burst test explosions field overpressure and temperature distribution . Analysis : clouds District overpressure is much larger than the shock wave overpressure . To the shock wave zone transition from clouds District overpressure with the contrast distance increase rapidly attenuated shock wave overpressure decay more slowly . By the results of the infrared thermal imager can get the explosion fireball maximum surface temperature can reach 1809.5 ° C

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CLC: > Industrial Technology > Energy and Power Engineering > Thermal engineering, heat > Fuel and combustion
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