Simulation of thermal properties of the silicon detector modules in ATLAS

The temperature distribution and power flow from cell on the Silicon Module of the Forward Semiconductor Tracker in the ATLAS experiment have been simulated for irradiated detector. Power generated by conduction was compared for the modules with one and two cooling points. To obtain an optimal cooling temperature, the temperature of the hottest cell was plotted against power on the silicon module. The analysis of the approximation function and values for the critical power for each cooling temperature are presented. The optimal value of the cooling temperature occurred to be 260 K. (author)

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