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The fluids functions design program calculates parameters needed for the design of various parts of the plant. The program contains necessary equations used in different design programs, and does not use any user inputs directly. The functions found in this program are referenced in other programs.
Algorithm
Reynolds Number
The Reynolds Number can be calculated based on different known variables. The pipe transition used for plant design is 2100, which is the point flow goes from laminar to turbulent. The different equations were calculated based on the fundamental equation, as follows:
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Friction Coefficient
The friction coefficient is used to determine losses associated with the tube. Two equations are used to depending on whether the fluid is turbulent or laminar (greater than the transition flow or less than).
For turbulent flow: