EFFICIENCY ANALYSIS OF ELECTROMAGNETIC HAMMER COOLING SYSTEMS
DOI:
https://doi.org/10.25635/2313-1586.2025.01.147Keywords:
electromagnetic hammer, power coil, thermal processes, modeling, equivalent current, simulation model, heat dissipation, heat flow, finite element analysisAbstract
The article presents an analysis of the efficiency of cooling systems for coils of an electromagnetic hammer having a metal body. The paper deals with various options for filling the free space between the surface of the coils and the housing: air, transformer oil, Silagerm-2113 compound and active cooling of coils with transformer oil in a closed circuit. Modeling of thermal processes was performed in the FEMM 4.2 finite element analysis program. It was found that active oil cooling has the highest efficiency. If it is impossible to organize one, the most effective option is to place a layer of Silagerm-2113 compound between the surface of the coils and the hammer body. At the same time, other parts of the structure have to be filled with transformer oil.
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