Optimization Simulation of Ultrafine Dry Powder Blow-Assisted Pipe Based on CFD | Zendy

Bin Miao | Zendy; Fanbao Chen | Zendy

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Optimization Simulation of Ultrafine Dry Powder Blow-Assisted Pipe Based on CFD

Author(s) -

Bin Miao,

Fanbao Chen

Publication year - 2022

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2022/8304007

Subject(s) - inlet , computational fluid dynamics , materials science , tower , mixing (physics) , pressure drop , volumetric flow rate , mass flow rate , flow (mathematics) , truck , mass flow , composite material , mechanics , mechanical engineering , engineering , structural engineering , automotive engineering , aerospace engineering , physics , quantum mechanics

With the increase of fire in high-rise buildings in recent years, the demand for high-performance Water Tower Fire Truck (WTFT) is increasing day by day. In order to improve the injection capacity of ultrafine dry powder of the WTFT, this article adopts the way of adding blow-assisted pipe to realize nitrogen-assisted blowing, and the internal flow field of existing blow-assisted pipe was analyzed and optimized by CFD simulation. The influence law of size parameters on the mass flow rate and velocity of ultrafine dry powder and nitrogen was analyzed and summarized under different inlet pressure conditions. The optimization result is that the diameter of the nitrogen-assisted blowing pipe is increased between 10 mm and 20 mm, the diameter of the outlet pipe is 32 mm, and the diameter of the inlet of the mixing pipe is 90 mm.

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