Биодизельное топливо. ЧАСТЬ II. теплофизические свойства систем, участвующих в процессе получения биодизельного топлива с использованием рабочих сред в сверхкритическом флюидном состоянии

ЦЕЛЬ. Цель работы заключалась в систематизации результатов работ отечественных и иностранных авторов по теплофизическим свойствам сред и веществ, участвующих в процессе получения биодизельного топлива.
МЕТОДЫ. Для измерения изобарной теплоемкости преимущественное использование отдано методам теплопроводящего и сканирующего калориметров, измерение коэффициента теплопроводности методом нагретой нити. Кинематическая и динамическая вязкости измерены, соответственно, на стандартных стеклянных вискозиметрах при атмосферном давлении и по методу падающего груза.
РЕЗУЛЬТАТЫ. Приведены результаты исследования широкого спектра теплофизических свойств термодинамических систем, участвующих в процессе получения биодизельного топлива в сверхкритических флюидных условиях. Внимание уделено плотности, изобарной теплоемкости, теплопроводности, динамической и кинематической вязкости как исходного сырья, так и получаемого биодизельного топлива, представленные в широком диапазоне изменения температур и давлений, включая околокритическую, а также при учете тепловых эффектов, вызванных растворением и изменением структур веществ под воздействием флюидного реагента.
ЗАКЛЮЧЕНИЕ. Представленные данные будут необходимы на этапах проектирования и масштабирования той или иной технологии по получению биодизельного топлива, как в лабораторных масштабах, так и на промышленном уровне.

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