ank_gl said:What is the contact pressure between the pipes? You can at least get a figure to start with, although I would suggest you start experimenting a bit.
Torque friction between pipes is the resistance to rotation caused by the contact between two or more pipes. It is a common phenomenon in pipelines and can affect the efficiency and safety of fluid flow.
Torque friction between pipes can be calculated using the formula T = F * r, where T is the torque, F is the friction force, and r is the radius of the pipe. The friction force can be determined using the friction coefficient and the normal force between the pipes.
Some factors that can affect torque friction between pipes include the type of fluid being transported, the roughness of the pipe surface, the temperature of the fluid, the diameter and length of the pipe, and the material of the pipes.
Torque friction between pipes can be reduced by using smoother pipe surfaces, proper lubrication, and reducing the contact surface area between pipes. Additionally, using materials with lower friction coefficients and maintaining consistent pipe diameter can also help reduce torque friction.
Torque friction between pipes is an important consideration in pipeline design because it can affect the overall efficiency and safety of fluid flow. High levels of torque friction can result in increased energy consumption and potential damage to the pipes, while low levels can lead to fluid leakage and loss of pressure.