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Насос консольного типа

выпускная квалификационная работа бакалавра

Насос консольного типа

Abstract

Данная работа посвящена проектированию проточной части центробежного насоса консольного типа по методике С. А. Горгиджаняна[9] и проведению его численного расчета с применением программного обеспечения. По методическим указаниям проведены вычисления геометрических параметров рабочего колеса и спирального отвода. Спроектированы цилиндрическая лопастная система и спиральный отвод. Аналитически была произведена оценка антикавитационных качеств насоса. В программе Solidworks были построены 3D модели рабочего колеса (РК), спирального отвода (СО) и модели соответствующих проточных частей, по вычисленным ранее геометрическим параметрам. Созданы расчетные сетки элементов проточной части, с участками сгущения в областях с высоким градиентом скорости. Проведены численные исследования колеса и всей проточной части с использованием математической модели и визуализация полученных результатов, расчет проводился с использованием программного обеспечения Ansys CFX. На основании проведённого расчета получены прогнозные характеристики спроектированной проточной части. Разработаны теоретические чертежи рабочего колеса насоса и спирального отвода. Проведено сравнение полученных результатов с требованиями технического задания.

The given work is devoted to the design of the flow path of a сantilever centrifugal pump according to the method of S. A. Gorgidzhanyan[9] and its numerical calculation using software. According to the methodological guidelines, the geometric parameters of the impeller and spiral outlet were calculated. A cylindrical blade system and a spiral outlet are designed. The anti-cavitation qualities of the pump were analytically evaluated. In the Solidworks program, 3D models of the impeller, spiral outlet and models of the corresponding flow parts were built, according to the previously calculated geometric parameters. Calculation grids of calculated elements were created, corresponding to the calculation being carried out. Numerical studies of the wheel and the entire flow path were carried out using a mathematical model and visu-alization of the results obtained, the calculation was carried out using the Ansys CFX software. Based on the calculation performed, the energy characteristics of the designed flow path were obtained. Theoretical drawings of the pump impeller and volute have been drawn up. Comparison of the results obtained with the requirements provided by the terms of reference.

Keywords

проточная часть, digital model, рабочее колесо, spiral outlet, центробежный насос, centrifugal pump, diffuser, flow part, диффузор, лопастная система, vane system, цифровая модель, спиральный отвод, impeller

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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