Rotation of cylindrical habitat in space?

In summary, the article by G.K. O'Neill proposes a cylindrical habitat in space with a diameter of 6.07 km and length of 30 km. The question posed is how fast the cylinder must rotate to imitate Earth's gravitational field at the walls. The solution involves calculating the frequency, f, using the formula w=2PI*f and solving for f. The resulting answer is 0.009043859 rev/s, but the unit conversion should be checked for accuracy.
  • #1
tubworld
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I have this question on this article by G.K. O'Neill,1974. who proposed having a cylindrical habitat in space. Then the article posed a question asking me to ponder on the speed of the rotation of the cylinder such that it wld imitate Earth's gravitational field at the walls of the cylinder given that it is 6.07 km in diameter and 30km long. It rotates abt its long axis. My working is as follows but am unsure if I am right cos I don't seem to use the information on the length of the cylinder.

radius = 6.07/2km
Since rw^2 = 9.8, and w = 2PI * f, where w=angular velocity and f=frequency,

we solve for f to get the ans.

From what I have the ans for f is 0.009043859 rev/s . am i right? If not any hints? Cos i don't seem to get the ans.
 
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  • #2
Check your units.
 

Related to Rotation of cylindrical habitat in space?

What is the purpose of rotating a cylindrical habitat in space?

The rotation of a cylindrical habitat in space serves multiple purposes. First, it creates artificial gravity, which is necessary for the health and well-being of astronauts on long-duration space missions. It also helps distribute heat and air evenly throughout the habitat, and provides a sense of up and down for the astronauts.

How does the rotation of a cylindrical habitat create artificial gravity?

The rotation of a cylindrical habitat creates artificial gravity through centripetal force. This force is generated when the habitat rotates, causing objects and individuals inside to feel as though they are being pulled towards the outer edge of the habitat. This mimics the feeling of gravity on Earth.

What factors affect the rotation speed of a cylindrical habitat?

The rotation speed of a cylindrical habitat is affected by several factors, including the size and shape of the habitat, the desired level of artificial gravity, and the mass of the habitat and its contents. The rotation speed must be carefully calculated to ensure that the artificial gravity is strong enough to be effective, but not so strong as to cause discomfort for the astronauts.

Are there any potential drawbacks to rotating a cylindrical habitat in space?

While rotating a cylindrical habitat in space has many benefits, there are also potential drawbacks to consider. The main concern is motion sickness, as some individuals may experience nausea and disorientation due to the spinning motion. Additionally, the equipment needed to rotate the habitat adds weight and complexity to the overall design.

How do scientists and engineers address the challenges of rotating a cylindrical habitat in space?

To address the challenges of rotating a cylindrical habitat in space, scientists and engineers use various technologies and design strategies. These include advanced materials and construction techniques to minimize the weight and complexity of the rotating mechanism, as well as measures to reduce motion sickness, such as adjusting the rotation speed and providing stabilizing features within the habitat. Extensive testing and research are also conducted to ensure the safety and effectiveness of the rotating habitat before it is used in space missions.

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