Title
Thermodynamic conditions in quenching chamber of LV circuit breaker,Used
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Work deals with the study of processes that attend the electric arc extinction inside the quenching chamber of a circuit breaker. It is focused on several areas. The first one is concerned to fluid dynamics calculations (CFD) and the second one is aimed at thermal field calculations. In this work effects of metal plates distance together with metal plates shapes are described from aerodynamical point of view. Another objective solved by this work is to give information about influence of an electric arc position in a quenching chamber, which changed its shape due to forces acting on it during extinction process. For purpose of this work a new software solution for CFD was developed. Whole software concept is based on plugins. Due to this solution, the softwares calculation core can be used for other numerical analyses, like structural, electromagnetic, etc. The only requirement is to write a plugin for these analyses. Because the software is designed as multithreaded application, it can use the fully performance of current multicore processors.
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