A numerical simulation on liquid-gas two phase leakage dispersion by using two particle turbulent models

LI Ping; DING Jue; WENG Pei-fen

doi:10.11883/1001-1455(2005)06-0541-06

Volume 25 Issue 6

Dec. 2014

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LI Ping, DING Jue, WENG Pei-fen. A numerical simulation on liquid-gas two phase leakage dispersion by using two particle turbulent models[J]. Explosion And Shock Waves, 2005, 25(6): 541-546. doi: 10.11883/1001-1455(2005)06-0541-06

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LI Ping, DING Jue, WENG Pei-fen. A numerical simulation on liquid-gas two phase leakage dispersion by using two particle turbulent models[J]. Explosion And Shock Waves, 2005, 25(6): 541-546. doi: 10.11883/1001-1455(2005)06-0541-06

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A numerical simulation on liquid-gas two phase leakage dispersion by using two particle turbulent models

doi: 10.11883/1001-1455(2005)06-0541-06

1.
Shanghai Institute of Applied Mathematic & Mechanics, Shanghai University, Shanghai 200072, China

Publish Date: 2005-11-25

Abstract

Abstract

Accident of two phase release frequently happens in the chemical, petrochemical and petroleum industry. So accidental release of toxic or flammable chemicals were concerned. In this paper, an Eulerian-Lagrangian approach with two-way coupling was adopted to deal with the dispersion of propane when the breach was occurred in the liquid part. The stochastic model and particle cloud model were utilized to model turbulent dispersion of droplets, which was compared with the results obtained by deterministic model. The mathematic models and calculated results were given, and compared with the experimental data. It is shown that stochastic model can describe the droplet turbulent dispersion and is suitable for two phase jet dispersion with droplet vaporization.
- fluid mechanics,
- Leakage dispersion,
- Gas-liquid two-phase,
- stochastic model,
- Particle cloud model

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