Modelling and Computation of Arc-Flow Interaction in Circuit-Breakers

Zhang, X. D.; Trépanier, Jean‐Yves; Camarero, R.

doi:10.1080/10618569408904483

Cited by 9 publications

(4 citation statements)

References 18 publications

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“…The MC 3 software developed by the authors [1,4,9,10,15,16] has been used as the basic flow-solver. MC 3 solves the compressible flow Euler equations on unstructured triangular grids using Roe's approximate Riemann solver.…”

Section: Cfd Modellingmentioning

confidence: 99%

“…In the flow-solver, the U variables are stored at each triangle centre. Details on the flow-solver can be found in [15,16].…”

Section: Governing Equationsmentioning

confidence: 99%

“…In recent years, the use of computational fluid dynamics (CFD) tools has been investigated by various researchers in this field. These models have shown their ability to represent the strong coupling between the arc and the compressible flow [13,15,16], and the coupling with the magnetic field [9,10]. Driven by important engineering issues, researchers are also investigating the modelling of nozzle ablation [2,7,14].…”

Section: Introductionmentioning

confidence: 99%

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Modelling and simulation of nozzle ablation in high-voltage circuit-breakers

Godin

Trépanier

Reggio

et al. 2000

J. Phys. D: Appl. Phys.

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In the present paper, a new approach to modelling the ablation phenomenon using computational fluid dynamics (CFD) tools coupled with a physical radiation model is proposed, implemented and validated for application in circuit-breaker arc studies. The present work shows that the principal characteristics of ablation-dominated arcs can be simulated effectively using CFD tools if the radiation incident at the wall boundaries can be predicted accurately.

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Section: Cfd Modellingmentioning

confidence: 99%

“…In the flow-solver, the U variables are stored at each triangle centre. Details on the flow-solver can be found in [15,16].…”

Section: Governing Equationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modelling and simulation of nozzle ablation in high-voltage circuit-breakers

Godin

Trépanier

Reggio

et al. 2000

J. Phys. D: Appl. Phys.

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“…S rad in Eq. ( 13) represents the heat loss through radiation in the thermal arc region and a model reported in the work of Zhang (9) and Trepanier (10) are used. In this radiation model included in the hydrodynamic approach, re-absorption of radiation in the outer layers of the arc, as opposed to the easy to model optically thin radiation (no re-absorption, all radiation escapes from the plasma) is included.…”

Section: Modeling Of Arc Plasma Phenomenamentioning

confidence: 99%

Studies on Fluid-Plasma Interaction Associated with Basic Gas Blast Characteristics based on a High-Order LES Turbulence Model

et al. 2013

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In reducing the operating energy thermal puffer type gas circuit breaker is very advantageous. However a detail understanding of the basic fluid-plasma interaction phenomena associated with the gas blast characteristics is very much necessary for its efficient design. Therefore the main aim of this research is to study the basic fluid-plasma interaction phenomena based on a High-Order LES (Large Eddy Simulation) turbulence model. The model configuration used in this regard is a converging-diverging type nozzle installed with an anode and a cathode inside to generate thermal arc plasma in the nozzle flow field. Here, the basic physics associated with the reduction of arc diameter due to interaction of supersonic cooler gas with the thermally expanded hot core gas and related heat transfer through turbulent mixing is discussed. The results revealed that as more and more denser cooler gas entrain to the low density hotter core gas the arc region starts growing axially downstream the region of reduced arc diameter. However near the shock location in the nozzle an abrupt change in temperature distribution is observed.

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