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Research on explosive dust space ventilation scheme based on CFD simulation by D Wang; Q Jing; X M Qian; M Q Yuan; S Q Liu is a Physics and Astronomy article available to read on EtoBox.
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## Abstract Aluminum powder with high explosive sensitivity, strong detonation performance and low price has become the first choice fuel for fuel air explosives. Design three types of exhaust schemes for specific powder operation spaces, and use CFD simulation technology to study the flow field and dust removal characteristics of the three schemes. The results show that the bottom ventilation scheme has the best dust removal effect, the characteristic time of dust removal is 9.4s, and the maximum dust concentration is 85g/m^3^. And the characteristic flow field range of the bottom exhaust scheme is the smallest (4.12m×3.05m), which indicates bottom scheme has the least disturbance to the spatial flow field, so this scheme should be selected for ventilation and dust removal design. In addition, the function relationship between the wind pressure and the characteristic dust removal time is obtained by setting different wind pressures, which provides a basis for the design of the graded ventilation dust removal side according to the design.
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- Author
- D Wang; Q Jing; X M Qian; M Q Yuan; S Q Liu
- Publisher
- Institute of Physics; IOP Publishing (ISSN 1742-6588)
- Published
- 2020
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)