Explosive formation of coherent particle jets

Frost, David L.; Ruel, J. F.; Zarei, Z.; Goroshin, Samuel; Grégoire, Yann; Zhang, F.; Milne, A.; Longbottom, A. W.

doi:10.1088/1742-6596/500/11/112026

Cited by 1 publication

(1 citation statement)

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“…Frost et al extended the Gurney method to the conical system to illustrate the dependence of velocity and coherency of the jet on the particle properties and the ratio of particle mass to explosive mass [3]. The results showed that the Gurney velocity for the conical system was less than the velocity of the spherical charge, which can be minimized by surrounding the cone with a heavy tamper.…”

Section: Introductionmentioning

confidence: 99%

A Whole Explosive Dispersion Process Prediction Model for Fuel Clouds

Chen

Wang

Liu

2020

Propellants Explo Pyrotec

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The study of the liquids and granular materials dispersed by high explosions is of great significance in the fuel‐air‐explosion and petrochemical fields. However, there is minimal dynamic dispersal research at high speed. Therefore, the numerical calculation methods of explosive dispersion have become a priority. A model is proposed that can predict the characteristics of the explosive dispersal for fuel both in the near‐field and the far‐field. Then, the basic laws of the fuel cloud formed during explosive dispersal are derived. The model is constructed by six parts of different processes, with the characteristics obtained by tracking the fuel droplets or particles and calculating their velocity, displacement, mass, and particle size. This model is validated using two sets of experimental data consisting of dynamic fuel dispersion and static fuel dispersion that fit the model well.

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Section: Introductionmentioning

confidence: 99%