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Academic literature on the topic 'Обчислювальна гідродинаміка'
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Journal articles on the topic "Обчислювальна гідродинаміка"
Жуковецька, Л. С., and Н. В. Слушна. "CFD-моделювання руху холодоагенту по трубопроводу мультизональної системи кондиціонування повітря." Automation of technological and business processes 11, no. 4 (February 13, 2020): 10–16. http://dx.doi.org/10.15673/atbp.v11i4.1594.
Full textDissertations / Theses on the topic "Обчислювальна гідродинаміка"
Бойко, Анатолій Володимирович, and Дмитро Ігорович Максюта. "CFD розрахунок в'язкої течії в турбінній ступені." Thesis, НТУ "ХПІ", 2013. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37132.
Full textЗагорулько, Андрій Васильович, Андрей Васильевич Загорулько, Andrii Vasylovych Zahorulko, and А. А. Лютенко. "Розв'язання задачі гідродинамічного змащення підшипника ковзання методами обчислювальної гідродинаміки." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/8036.
Full textМасалітін, І. О., Віктор Валерійович Пилипенко, Виктор Валерьевич Пилипенко, and Viktor Valeriiovych Pylypenko. "Застосування методів обчислювальної гідродинаміки, оцінювання та багатопараметричної оптимізації під час аналізу конструкцій лабіринтних і лункових ущільнень." Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/47241.
Full textДемянчук, Є. М. "Дослідження методами обчислювальної гідродинаміки рідинних динамічних сил, які діють на обойму кріогенного кулькового підшипника кочення при гідродинамічному режимі змащення." Master's thesis, Сумський державний університет, 2020. https://essuir.sumdu.edu.ua/handle/123456789/82115.
Full textШудрик, Олександр Леонідович. "Підвищення ефективності використання відцентрових насосів за рахунок вдосконалення математичних моделей робочого процесу." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/35499.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.05.16 – Hydraulic machines and hydropneumatic units. – National Technical University "Kharkiv Politechnic Institute", 2018. The dissertation is devoted to the solution of an important scientific and technical problem of increasing the efficiency of a submersible electric centrifugal pump when it operates on a real liquid, which is a mixture of viscous non-Newtonian fluid, water and gas by improving mathematical models. An analysis of the concepts of development of pumping plant in Ukraine is carried out. The methods of mathematical modeling of three-dimensional flows of a viscous real liquid and their advantages over physical experiments are described. Selected software package for numerical experiment in OpenFOAM submersible pump channels. A system of indeterminate and Navier-Stokes equations was used to simulate the flow of fluid in the flow section of the pump. For its closure a k-ε turbulence model was chosen. The influence of rheological properties of non-Newtonian fluids on the characteristics of a centrifugal pump is investigated. The mathematical model of the turbulent three-dimensional flow of the non-Newtonian fluid is given. For calculations, a model of the Herschel-Bulkley non-Newtonian fluid is chosen, which most accurately describes the behavior of liquids of this type. The dependencies for the recalculation of the characteristics of the pump during its operation on the real liquid have been improved. The approach and mathematical model for modeling the three-dimensional flow of a viscous gas-liquid mixture are determined and chosen, and features are shown in the calculations of this type of fluid in the OpenFOAM package. The ways of increasing the efficiency of submersible pumps by changing the flow part are considered. The rational angle of inclination of the initial edge is determined. The modified degree of the pump, protected by the Ukrainian patent, is offered for pumping a liquid with an increased gas content. The mathematical model of a compatible operation of a real well and a submersible centrifugal pump in the form of a package of applied programs is considered and improved. This made it possible to determine the basic physical characteristics of the liquid, depending on the thermodynamic conditions.
Шудрик, Олександр Леонідович. "Підвищення ефективності використання відцентрових насосів за рахунок вдосконалення математичних моделей робочого процесу." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/35496.
Full textThesis for granting the Degree of Candidate of Technical sciences in speciality 05.05.16 – Hydraulic machines and hydropneumatic units. – National Technical University "Kharkiv Politechnic Institute", 2018. The dissertation is devoted to the solution of an important scientific and technical problem of increasing the efficiency of a submersible electric centrifugal pump when it operates on a real liquid, which is a mixture of viscous non-Newtonian fluid, water and gas by improving mathematical models. An analysis of the concepts of development of pumping plant in Ukraine is carried out. The methods of mathematical modeling of three-dimensional flows of a viscous real liquid and their advantages over physical experiments are described. Selected software package for numerical experiment in OpenFOAM submersible pump channels. A system of indeterminate and Navier-Stokes equations was used to simulate the flow of fluid in the flow section of the pump. For its closure a k-ε turbulence model was chosen. The influence of rheological properties of non-Newtonian fluids on the characteristics of a centrifugal pump is investigated. The mathematical model of the turbulent three-dimensional flow of the non-Newtonian fluid is given. For calculations, a model of the Herschel-Bulkley non-Newtonian fluid is chosen, which most accurately describes the behavior of liquids of this type. The dependencies for the recalculation of the characteristics of the pump during its operation on the real liquid have been improved. The approach and mathematical model for modeling the three-dimensional flow of a viscous gas-liquid mixture are determined and chosen, and features are shown in the calculations of this type of fluid in the OpenFOAM package. The ways of increasing the efficiency of submersible pumps by changing the flow part are considered. The rational angle of inclination of the initial edge is determined. The modified degree of the pump, protected by the Ukrainian patent, is offered for pumping a liquid with an increased gas content. The mathematical model of a compatible operation of a real well and a submersible centrifugal pump in the form of a package of applied programs is considered and improved. This made it possible to determine the basic physical characteristics of the liquid, depending on the thermodynamic conditions.