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[References: 3 tit.]

Background/Objectives: The cooling circuit model of parallel connected equipment units for the computer simulator is described. Methods/Statistical Analysis: For simulation of the cooling circuit with specified configuration of the pipeline system the loop flow method based on generalized Kirchhoff’s law was used: balance of the flow for each pipeline branching point and equation of each circuit cycle. Findings: The results of the model operational performance in case of emergency situations at water flow rate change in standard and emergency operation modes of the cooling circuit are presented. Technological pipelines network as the scheme of parallel-connected lines and applying to it the described method, it is possible to determine the values of cooling water rates at any moment of time. The calculated water rates serve as input signals for the equipment units cooing system model. The required parameters of the model for simulating emergency situations in the cooling circuit were found experimentally. The graphs presented in the article illustrate function testing of the cooling model operational performance when emergency characteristics change. Applications/Improvements: The developed model allows simulating standard and emergency situations in the cooling circuit.