probenerИзвестия высших учебных заведений. ПРОБЛЕМЫ ЭНЕРГЕТИКИPower engineering: research, equipment, technology1998-99032658-5456Kazan State Power Engineering University10.30724/1998-9903-2022-24-5-35-60probener-2415Research ArticleЭНЕРГЕТИЧЕСКИЕ СИСТЕМЫ И КОМПЛЕКСЫENERGY SYSTEMS AND COMPLEXESБиодизельное топливо. ЧАСТЬ II. теплофизические свойства систем, участвующих в процессе получения биодизельного топлива с использованием рабочих сред в сверхкритическом флюидном состоянииBiodiesel fuel. part ii. thermophysical properties of systems participated in the process of obtaining biodiesel fuel using working media in the supercritical fluid stateМазановС. В.MazanovS. V.

Мазанов Сергей Валерьевич – канд. техн. наук

Казань

Sergey V. Mazanov – Ph.D. tech. sciences

Kazan

serg989@yandex.ruЗариповЗ. И.ZaripovZ. I.

Зарипов Зуфар Ибрагимович – д-р техн. наук

Казань

Zufar I. Zaripov - Doctor of engineering sciences

Kazan

ГумеровФ. М.GumerovF. M.

Гумеров Фарид Мухамедович – д-р техн. наук 

Казань

Farid M. Gumerov – Doctor of engineering sciences

Kazan

УсмановР. А.UsmanovR. A.

Усманов Рустем Айтуганович – д-р техн. наук 

Казань

Rustem A. Usmanov – Doctor of engineering sciences 

Kazan

ШаповаловЮ. А.ShapovalovYu. A.

Шаповалов Юрий Александрович – д-р техн. наук

Алматы

Yury A. Shapovalov – Doctor of engineering sciences

Almaty

Казанский национальный исследовательский технологический университетРоссияKazan National Research Technological UniversityRussian FederationКазахский национальный университет им. аль-ФарабиКазахстанKazakh National University named al-FarabiKazakhstan2022081220222453560Copyright © Мазанов С.В., Зарипов З.И., Гумеров Ф.М., Усманов Р.А., Шаповалов Ю.А., 20222022Мазанов С.В., Зарипов З.И., Гумеров Ф.М., Усманов Р.А., Шаповалов Ю.А.Mazanov S.V., Zaripov Z.I., Gumerov F.M., Usmanov R.A., Shapovalov Y.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.energyret.ru/jour/article/view/2415

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.

THE PURPOSE. The purpose of the work was to systematize the results of the work of domestic and foreign authors on the thermophysical properties of media and substances involved in the process of obtaining biodiesel fuel. METHODS. To measure the isobaric heat capacity, the predominant use is given to the methods of heat-conducting and scanning calorimeters, the measurement of the thermal conductivity by the heated filament method. Kinematic and dynamic viscosities are measured, respectively, on standard glass viscometers at atmospheric pressure and by the drop weight method. RESULTS. The results of a study of a wide range of thermophysical properties of thermodynamic systems involved in the process of obtaining biodiesel fuel under supercritical fluid conditions are presented. Attention is paid to the density, isobaric heat capacity, thermal conductivity, dynamic and kinematic viscosity of both the feedstock and the resulting biodiesel fuel, presented in a wide range of temperature and pressure changes, including nearcritical, as well as taking into account the thermal effects caused by the dissolution and change in the structures of substances under the influence of fluid reagent. CONCLUSION. The presented data will be necessary at the stages of designing and scaling a particular technology for the production of biodiesel fuel, both on a laboratory scale and at an industrial level.

плотностьизобарная теплоемкостьтеплопроводностьдинамическая и кинематическая вязкостьрастительные маслабиодизельное топливосверхкритическое флюидное состояниеdensityisobaric heat capacitythermal conductivitydynamic and kinematic viscosityvegetable oilsbiodiesel fuelsupercritical fluid stateРезультаты исследований по работам авторского коллектива проведено с использованием оборудования Центра коллективного пользования «Наноматериалы и нанотехнологии» Казанского национального исследовательского технологического университета при финансовой поддержке проекта Минобрнауки России в рамках гранта № 075-15-2021-699.ReferencesМазанов С.В., Гумеров Ф.М., Усманов Р.А., Габитова А.Р., Зарипов З.И., Варфоломеев С.Д., Вольева В.Б., Шаповалов Ю.А. Биодизельное топливо. Часть I. Способы получения // Проблемы энергетики. 2022. Т. 24. № 4. С. 16-49.Mazanov SV., Gumerov FM., Usmanov RA., et al. Biodiesel fuel. Part I. Production methods // Problems of Energy. 2022;24(4):16-49.John N. Coupland, D. 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The authors declare that there are no conflicts of interest present.