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2. Cylinder - Wikipedia

   en.wikipedia.org/wiki/Cylinder

   The bare term cylinder often refers to a solid cylinder with circular ends perpendicular to the axis, that is, a right circular cylinder, as shown in the figure. The cylindrical surface without the ends is called an open cylinder. The formulae for the surface area and the volume of a right circular cylinder have been known from early antiquity.

3. O'Neill cylinder - Wikipedia

   en.wikipedia.org/wiki/O'Neill_cylinder

   Each cylinder has six equal-area stripes that run the length of the cylinder; three are transparent windows, three are habitable "land" surfaces. Furthermore, an outer agricultural ring, 30 km (20 mi) in diameter, rotates at a different speed to support farming. The habitat's industrial manufacturing block is located in the middle, to allow for ...

4. Right circular cylinder - Wikipedia

   en.wikipedia.org/wiki/Right_circular_cylinder

   The equilateral cylinder is characterized by being a right circular cylinder in which the diameter of the base is equal to the value of the height (geratrix). [ 4 ] Then, assuming that the radius of the base of an equilateral cylinder is r {\displaystyle r\,} then the diameter of the base of this cylinder is 2 r {\displaystyle 2r\,} and its ...

5. Pneumatic cylinder - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_cylinder

   Air cylinders are available in a variety of sizes and can typically range from a small 2.5 mm (1 ⁄ 10 in) air cylinder, which might be used for picking up a small transistor or other electronic component, to 400 mm (16 in) diameter air cylinders which would impart enough force to lift a car. Some pneumatic cylinders reach 1,000 mm (39 in) in ...

6. Sphere packing in a cylinder - Wikipedia

   en.wikipedia.org/wiki/Sphere_packing_in_a_cylinder

   Sphere packing in a cylinder is a three-dimensional packing problem with the objective of packing a given number of identical spheres inside a cylinder of specified diameter and length. For cylinders with diameters on the same order of magnitude as the spheres, such packings result in what are called columnar structures .

7. Potential flow around a circular cylinder - Wikipedia

   en.wikipedia.org/wiki/Potential_flow_around_a...

   In mathematics, potential flow around a circular cylinder is a classical solution for the flow of an inviscid, incompressible fluid around a cylinder that is transverse to the flow. Far from the cylinder, the flow is unidirectional and uniform. The flow has no vorticity and thus the velocity field is irrotational and can be modeled as a ...