What are the application of vacuum technology?

Even for products in everyday use, vacuum technology plays an important role: freeze drying or vacuum packaging of food, coating of PET lemonade bottles to reduce the loss of carbon dioxide gas, coating of architectural glass to reduce the loss of thermal energy, or recycling of mercury from batteries or electronic …

What do you mean by vacuum technology?

vacuum technology, all processes and physical measurements carried out under conditions of below-normal atmospheric pressure. Other devices requiring a vacuum for their operation followed, such as the various types of electron tube.

How does a diffusion pump work?

The diffusion pump uses the vapor of a boiling fluid to capture air molecules. The fluid is then moved to another location and cooled. The cooling forces the air molecules to be released. The combination of gravity and the downward direction of the vapors move the air molecules toward the bottom of the pump.

What is used to vacuum?

In general, a vacuum is created by starting with air at atmospheric pressure within a chamber of some sort. At atmospheric pressure, the gas molecules are very close together; and as they are in constant motion, the distance between molecule-to-molecule collisions is very short.

Why is a vacuum used during delivery?

During vaginal delivery, your doctor may use a vacuum to help remove your baby from the birth canal. This procedure makes delivery more rapid. It may be needed to avoid injury to the baby and to avoid cesarean section.

What is cryogenic technology and how does it work?

Cryogenics is the technology of very low temperatures. It is used to purify liquid oxygen and other liquid gases and to liquify gases so that they can be shipped. The huge ocean-going liquid gas tankers store the gas as a cryogenic liquid.

What is the difference between a vacuum cleaner and cryogenics?

Vacuums are used to move materials through “pneumatic” tubes. Cryogenics is the technology of very low temperatures. It is used to purify liquid oxygen and other liquid gases and to liquify gases so that they can be shipped. The huge ocean-going liquid gas tankers store the gas as a cryogenic liquid.

What is cryoelectronics and cryotronics?

Cryoelectronics or cryotronics is an engineering branch derived from cryogenics that typically involves studying superconductivity under cryogenic conditions. Cryoelectronics is a relatively new field and many studies are still ongoing to come up with revolutionary applications.

What are the common fluids used in cryogenic applications?

Given below is the list of common fluids used in cryogenic applications: Cryogenic fluid Boiling point Boiling point Cryogenic fluid In Kelvin (K) In Celsius (oC) Helium-3 3.19 -269.96 Helium-4 4.21 -268.94 Hydrogen 20.27 -252.88