link Источник: www.edx.org
list 3 последовательности
assignment Уровень : Средний
chat_bubble_outline Язык : английский
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Резюме

Vacuum technology is key to our high-tech society. It is is used for a large number of technical processes and products, including computer chips, nanostructures, microelectronic coatings and components as well as chemical and biological techniques.

In this engineering course, you will get a comprehensive overview of the construction and working principles of vacuum devices and systems to help you better design materials and processes .

  • Gain an understanding about working principles and construction of a separate components of vacuum systems;
  • How to design and calculate necessary parameters of vacuum systems;
  • Needed components for vacuum systems.

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Специальные требования

Knowledge of general physics

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Программа

Section 1. Vacuum theory

  • Vacuum application. Introducing on molecular-kinetic theory of gases
  • Molecular-kinetic theory of gases
  • Sorption phenomena in vacuum
  • Condensation and evaporation
  • Physical processes in vacuum

Section 2. Mechanical means of obtaining a vacuum

  • Mechanical vacuum pumps of preliminary vacuum. Construction, working principles and characteristics. Part 1
  • Mechanical vacuum pumps of preliminary vacuum. Construction, working principles and characteristics. Part 2
  • Turbine and diffusion pumps. Construction, working principles and characteristics
  • Ejector pump. Vacuum traps. Construction, working principles and characteristics

Section 3. Physical-chemical means of obtaining a vacuum

  • Ion and ion-getter pumps. Construction, working principles and characteristics
  • Sublimation and sputter ion pumps. Construction, working principle, characteristics
  • Sorption and condensation pumps. Construction, working principles and characteristics

Section 4. Methods of pressure measurement

  • Methods of total pressure measurement. Aneroid and hydrostatic vacuum gauges
  • Methods of total pressure measurement. Thermal vacuum gauges
  • Methods of total pressure measurement. Ionization vacuum gauges
  • Methods of partial pressure measurement. Type of analyzers and traps
  • Methods of partial pressure measurement. Mass-spectrometers

Section 5. Constructional elements of vacuum systems

  • Valves and gates. Construction, working principle
  • Leek valves. Construction, working principle
  • Vacuum feedthroughs
  • Methods of leak detection

Section 6. Construction principles of vacuum systems

  • Calculation of vacuum systems to select of vacuum pumps
  • Vacuum systems with diffusion and turbine pumps
  • Vacuum systems with ion and condensation pumps
  • Type of sealing
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Пользователи

Valikov A. Roman
Post graduate, engineer of department "Physical problems of Materials Science"
National Research Nuclear University “MEPhI”

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Разработчик

National Research Nuclear University MEPhI
National Research Nuclear University “MEPhI” is one of the most recognized technical universities in Russia. It is the only research nuclear university in Russia. The aim of the university existence is preparing the specialists for nuclear industry, science, information technology and other high-tech sectors of Russian economy. National Research Nuclear University “MEPhI” implements postgraduate professional education curricula (PhD and postdoctoral level), carries out fundamental and applied scientific research in high-priority fields of science and technologies. Among MEPhI graduates are Nobel Prize winners, members of the Russian Academy of Sciences, and winners of national prizes. Its professors and alumni have made major contributions to various fields of theoretical and experimental physics, mathematics, cybernetics, and computer sciences.
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Платформа

Edx

EdX est une plateforme d'apprentissage en ligne (dite FLOT ou MOOC). Elle héberge et met gratuitement à disposition des cours en ligne de niveau universitaire à travers le monde entier. Elle mène également des recherches sur l'apprentissage en ligne et la façon dont les utilisateurs utilisent celle-ci. Elle est à but non lucratif et la plateforme utilise un logiciel open source.

EdX a été fondée par le Massachusetts Institute of Technology et par l'université Harvard en mai 2012. En 2014, environ 50 écoles, associations et organisations internationales offrent ou projettent d'offrir des cours sur EdX. En juillet 2014, elle avait plus de 2,5 millions d'utilisateurs suivant plus de 200 cours en ligne.

Les deux universités américaines qui financent la plateforme ont investi 60 millions USD dans son développement. La plateforme France Université Numérique utilise la technologie openedX, supportée par Google.

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