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The Absolute roughness, e, of copper is 1.5 microns The relative roughness is just e/D

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What is relative roughness?

Relative roughness is a measure of the surface roughness of pipe surfaces. It is the size of the roughness scaled by the diameter of the pipe or duct. Rel Roughness=e/D; where e is the measurement of the surface roughness and D is the diameter of the pipe. It is mainly used for calculating head losses in piping systems.


What is the Relative roughness factor of a fiberglass pipe?

relative roughness is the average bump height divided by the same characteristic length (pipe diamter) the relative roughness is calculated by k/d, k=0.0015 and d being the diameter relative roughness is the average bump height divided by the same characteristic length (pipe diamter) the relative roughness is calculated by k/d, k=0.0015 and d being the diameter


Friction factor for stainless steel pipe?

for turbulent flow in pipes the friction factor depends on Reynold's number as well as the inside roughness of the material.you could calculate the pipe inside roughness or the relative roughness by referring to the 'values of absolute roughness table'.relative roughness =ε/Dwhere,ε- absolute roughness.D- inside diameter of the pipe.for stainless steel the the absolute roughness value is 0.0018inches or 0.000045metre.you could substitute the value in the above formula and find out the relative roughnes.After doing this refer the Moody diagram to find out the friction factor for the values of Reynold's number and relative roughness.ε


What is the relative formula mass of copper?

The relative atomic mass of copper is approximately 63.55. To calculate the relative formula mass of copper, you sum the atomic masses of its atoms, which in this case would just be the atomic mass of copper. Therefore, the relative formula mass of copper would be 63.55.


What is the relative roughness for commercial steel?

The relative roughness for commercial steel typically ranges from about 0.0002 to 0.0015, depending on the specific finish and manufacturing process. This metric is used in fluid mechanics to characterize the roughness of a pipe's internal surface compared to its diameter. In practical applications, the average value is often taken as 0.0005 for standard pipes. This roughness affects flow characteristics, such as friction loss in fluid systems.


The relative percentage abundance of the two isotope of copper?

Copper has two stable isotopes, copper-63 and copper-65. The relative percentage abundance of these isotopes is approximately 69.17% for copper-63 and 30.83% for copper-65.


How do you read moody's diagram?

To determine the frictional factor, find the relative roughness value for the pipe on the right. Then locate the pipes Reynolds number on the bottom. Follow the relative roughness curve to where it crosses the determined Reynolds number. Now at that point project a straight line to the left, the number determined on the left is the frictional factor.


What is copper sulfates relative formula mass?

The anhydrous copper sulfate (CuSO4) has a molar mass of 159,62.


What is the relative mass between iron and copper?

Iron has a relative atomic mass of approximately 55.85 g/mol, while copper has a relative atomic mass of about 63.55 g/mol. This means that copper is heavier than iron on a per-atom basis. In terms of mass ratio, copper is roughly 1.14 times the mass of iron.


Does copper have an element?

Copper is a metallic element. It is located in the d-block of the periodic table. Its relative atomic mass is 63.5 (relative abundance of two isotopes 63 and 65).


What is the relative atomic mass of CU?

Copper is a meta element. Atomic mass of it is 64.


What is the definition of relative formula?

formula of copper sulphate anhydrous