Молекулярное моделирование вязкости гибридных наножидкостей с углеродными нанотрубками и медными наночастицами

Методом молекулярной динамики изучены коэффициенты вязкости гибридных наножидкостей на основе бензола с одностенными углеродными нанотрубками и наночастицами меди. Исследована зависимость вязкости этих наножидкостей от концентрации углеродных нанотрубок и наночастиц, а также от их морфологии. Показано, что вязкость всех исследованных наножидкостей значительно выше, чем у базовой жидкости и обычных крупнодисперсных жидкостей. Коэффициент вязкости наножидкости с углеродными нанотрубками при заданной концентрации увеличивается с увеличением их длины. При одинаковых концентрациях вязкость гибридных наножидкостей значительно превышает вязкость наножидкости с наночастицами или углеродными нанотрубками и увеличивается с уменьшением размера наночастиц. Одним из основных факторов, ответственных за наблюдаемое увеличение вязкости наножидкости, является структурирование молекул базовой жидкости вблизи наночастиц или углеродных нанотрубок.

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