Module 3 Process Piping Hydraulics Sizing And Pressure Rating Pdf | REAL ✦ |

= Mill manufacturing tolerance (usually 12.5% for seamless pipe). 5. Engineering Workflow: Sizing a Piping System

[ Re = \frac\rho v D\mu = \fracv D\nu ]

When finalizing a process piping hydraulics and sizing module, verify the following parameters: = Mill manufacturing tolerance (usually 12

to distinguish between laminar and turbulent flow, which directly affects friction losses. 2. Hydraulic Pipe Sizing Criteria

Fittings (bends, tees, reducers) and valves introduce turbulence. They are calculated using the resistance coefficient ( which directly affects friction losses.

): Converts a fitting into an equivalent length of straight pipe. Resistance Coefficient Method (

Using the Hazen-Williams equation, we can calculate the required pipe diameter: = Mill manufacturing tolerance (usually 12

= Darcy friction factor (derived from the Colebrook-White equation or Moody Chart) = Length of the pipe ( = Inside diameter of the pipe ( = Fluid velocity ( = Acceleration due to gravity ( Minor Losses ( -Factor and Equivalent Length)

), a dimensionless value representing the ratio of inertial forces to viscous forces: