基于流体体积函数模型的横板型稳压罐内气液两相流场仿真研究

doi:10.3969/j.issn.1000-1158.2019.06.18

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Abstract For the horizontal-baffle type surge tank of the water flow standard facility, a computational fluid dynamic model was established on the basis of the Navier-Stokes equations. The numerical simulation of the two-phase flow field characteristics in the surge tank was achieved through the turbulence model and volume of fluid transient model, by applying the finite volume method for performing discretization, and standard wall function for modification in the near-wall region. The calculated results showed that, the water flow in the empty tank passes through the following states: anhydrous state, jet flow, upper backwater, overflow and steady state. Meanwhile, aerated flow and bubble flow were formed. In the case of gas-liquid ratio 13, there was a phenomenon of water sloshing in the flow filed of the tank with fixed period, and a vortex gas chamber was formed in the upper side which rotates counter clockwise. The flow field was characterized by lower turbulent viscosity, relatively uniform distribution and best stable performance.

Key words： metrology;water flow standard facility;volume of fluid model;horizontal-baffle type surge tank;numerical simulation;vortex gas chamber gas-liquid two-phase flow

Received: 29 October 2018 Published: 10 October 2019

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TB937

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	Articles by authors
	YU Lu-jun
	HOU Song-liang
	MA Yu-ming
	CAO Jiu-ying

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YU Lu-jun,HOU Song-liang,MA Yu-ming, et al. Simulation Study on Gas-liquid Two-phase Flow in the Horizontal-baffle Type Surge Tank Based on the Volume of Fluid Model[J]. Acta Metrologica Sinica, 2019, 40(6): 1050-1056.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.06.18 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I6/1050

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