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THMT-15. Proceedings of the Eighth International Symposium On Turbulence Heat and Mass Transfer
September, 15-18, 2015, Sarajevo, Bosnia and Herzegovina

DOI: 10.1615/ICHMT.2015.THMT-15


ISBN Print: 978-1-56700-427-4

ISBN CD: 978-1-56700-428-8

A real gas model for numerical flow analysis in a high-voltage SF6 circuit breaker

pages 767-770
DOI: 10.1615/ICHMT.2015.THMT-15.1720
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要約

A real gas model of SF6 was implemented for numerical analysis of flow in SF6 high-voltage circuit breaker. The model was used in simulations of unsteady flow of SF6 gas through the nozzles of high-voltage circuit breakers for rated voltage of 420 kV after the current zero instant for 20 ms arcing time. The computer program for simulation of high-voltage circuit breakers, based on a simplified integral model, was used to simulate the interrupting process up to the current zero and 1 ms after. It's were used to calculate the boundary conditions for unsteady gas flow simulations in a CFD code and subsequent analyses and comparisons.

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