Results 101 to 110 of about 23,094 (133)

Вакуумная система канализации для транспортировки сточной жидкости

2020
The topic of the thesis is "Vacuum sewer systems for transporting wastewater» This paperwork is dedicated to the development of the algorithm of the calculation of vacuum pipeline and estimation of its effectiveness using different parameters. Problems that were solved during the research: 1. Study of the state of the sewerage system; 2. Analysis of
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Модернизация контактной системы вакуумного выключателя 10 кВ, 20 кА

2019
The research work considers vacuum and gas-insulated circuit breaker, its comparative analysis. The object of the study is vacuum arc suppression chambers with axial magnetic field of 10 kV, 20 kA and the choice of the optimal performance of the contacts at the selected nominal parameters.
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Разработка методики расчета контактной системы вакуумного выключателя 10 кВ, 1600 А

2020
Theme of final qualification work: "Development of a methodology for calculating the contact system of a vacuum circuit breaker 10kV, 1600A." In this work, we analyzed the design of a vacuum circuit breaker with a voltage of 10 kV and a current of 1600 A; The disadvantages of this switching device are shown; transition resistance is considered.
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Доктрина «просвещенного» абсолютизма и государственно-правовые реформы Екатерины II

2023
This work is devoted to the study of issues related to the formation and development of the doctrine of enlightened absolutism and the state-legal reforms of Catherine II. A comparative analysis was carried out with other European monarchs of the Enlightenment era, the formation and development of the concept of the doctrine of enlightened absolutism ...
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Разработка системы Ð¾Ñ Ð»Ð°Ð¶Ð´ÐµÐ½Ð¸Ñ контактов вакуумной дугогасительной камеры выключателя 7,5 кА, 10 кВ

2023
This work is devoted to the development of a contact cooling system of a vacuum circuit breaker. Tasks that were solved during the study: 1) Study of the features of the vacuum circuit breaker model. 2) Creation of models of the contact system of the vacuum circuit breaker and the cooling radiator.
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Вакуумная камера для литья

The paper describes the process of creating and designing a prototype vacuum casting chamber. The company Protocon, which was intended to create its own casting equipment with the prospect of sale, set this task. The tasks that were solved during the development are the development of an installation control system, its testing, coming up with a ...
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Численное моделирование ламинарного течения в области разветвления канала круглого сечения

2023
The main objectives of this work are to calculate the flow at different parameters of the angle of the branch of the lateral channel and the distribution of flow along two branches, as well as to compare the obtained solution with experimental data. The paper presents the results of a study of laminar flow in the area of a branching channel of circular
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Исследование устойчивости пограничного слоя на крыловом профиле на основе линейной теории

2023
Данная работа посвящена оценке точности параллельного подхода при расчете развития волн Толлмина-Шлихтинга в пограничном слое на поверхности крылового профиля, путем сравнения его Ñ€ÐµÐ·ÑƒÐ»ÑŒÑ‚Ð°Ñ ...
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Исследование отключающей способности вакуумного выключателя 35 кВ-40 кА/3150 А с радиальным магнитным полем

2021
Целью настоящей выпускной квалификационной работы является исследование отключающей способности вакуумного выключателя 35 кВ-40 кА/3150 А с радиальным магнитным полем.
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Инвестиционный потенциал северо-западного Федерального округа и его оценка

2018
Объектом исследования является инвестиционный потенциал Северо-Западного федерального округа. Целью выпускной квалификационной работы является оценка особенностей, динамики и перспектив Р...
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