Forces on a cylindrical vacuum chamber

In summary, the inward force on a cylindrical vacuum chamber will increase if the diameter is increased due to the increase in area. However, the net inward force on the chamber may not necessarily increase if the length of the chamber is increased while keeping the diameter constant. This is because the length/diameter ratio plays a role in determining the distribution of force on the chamber, with a shorter cylinder having the ends supporting most of the force and a longer cylinder having the hoop supporting the force on its own. The applicable ratio for engineering stress purposes would need to be researched.
  • #1
papernuke
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If a cylindrical vacuum chamber's diameter is increased, then the inward force on the two ends will increase because the area is increased.

However, if the length of the chamber is increased, while keeping diameter constant, will that increase the net inward force on the chamber?
Or does each little hoop (thinking of it as 2∏R*dL) provide its own outward force to balance out only the little pressure on the sliver of area above it?
 
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  • #2
It is a length/ diameter ratio where that is applicable.
A short stubby cylinder would have the ends supporting most of the force on the hoop. A longer taller cylinder would have the hoop having to support the force on its own.
Where the l/d ratio deviates from one to the other for engineering stress purposes I guess you would have to research.
 

What is a cylindrical vacuum chamber?

A cylindrical vacuum chamber is a device that creates and maintains a low-pressure environment by removing air and other gases from within its cylindrical walls. This allows for experiments and processes to be conducted without interference from outside factors like air pressure or contamination.

What forces act on a cylindrical vacuum chamber?

The main forces acting on a cylindrical vacuum chamber are atmospheric pressure, structural forces from the chamber itself, and internal pressure differentials caused by gas flow or temperature changes. These forces must be carefully considered in the design and operation of the chamber to ensure its integrity and functionality.

How is a cylindrical vacuum chamber able to withstand internal forces?

Cylindrical vacuum chambers are typically constructed using materials that have high strength and low permeability, such as stainless steel or aluminum. The chamber walls are also designed to be thick enough to resist the forces acting on it, and may also incorporate reinforcement structures like ribs or flanges for added strength.

What are some applications of a cylindrical vacuum chamber?

Cylindrical vacuum chambers are used in a wide range of scientific and industrial applications, such as material testing, semiconductor manufacturing, and space simulation. They are also commonly used in research and development for experiments involving high-energy physics, materials science, and vacuum technology.

How is the vacuum level inside a cylindrical vacuum chamber measured?

The vacuum level inside a cylindrical vacuum chamber is typically measured using a vacuum gauge, which can be either mechanical or electronic. These gauges measure the pressure difference between the inside of the chamber and the surrounding atmosphere, and can display the results in various units such as Torr, Pascal, or millibar.

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