МОДЕЛИРОВАНИЕ ДИНАМИКИ НАГРЕВА В ПОМЕЩЕНИИ С ИСПОЛЬЗОВАНИЕМ COMSOL MULTTIPHYSICS

В данной работе была разработана физическая модель динамики изменения температуры воздуха в помещении с учетом теплопередачи и конвекции. Система была смоделирована в COMSOL Multiphysics и протестирована в MATLAB, где было проанализировано влияние внешней температуры, площади помещения, количества секций радиатора и скорости воздушного потока. Результаты показали сильную корреляцию между температурой в помещении и внешней температурой (0,92), в то же время наблюдалась более слабая зависимость от температуры радиатора (0,2), высоты (0,1) и площади помещения (0,11). Количество секций и размер радиатора оказывают наименьшее влияние на температуру в помещении (0,07). Кроме того, начальная температура помещения не имеет существенной корреляции с конечной температурой в помещении. Корреляция, наблюдаемая при моделировании, позволила разработать передаточную функцию управляемого объекта в MATLAB/Simulink. Нелинейное реле, используемое в результирующей модели, применяется для включения и выключения радиатора с целью управления температурой в помещении. Результаты исследования могут быть использованы для создания нейронной сети для моделирования динамики изменения температуры в помещении при различных начальных условиях.

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