Module 3 Process Piping Hydraulics Sizing And Pressure Rating Pdf -

): A fluid's resistance to gradual deformation by shear or tensile stress. High-viscosity fluids require more pumping power. Vapor Pressure ( Pvcap P sub v

Choose the nearest standard nominal pipe size (NPS) with an internal diameter ( Dicap D sub i ) equal to or greater than the calculated value.

Because the Colebrook-White equation is implicit and requires iterative solving, engineers often use the explicit for quick calculations:

Key Reference Codes:

Fluid particles move in parallel layers. Transition Flow (2000 < Re < 4000).

= Allowable stress value for the material at design temperature = Quality factor (weld joint efficiency) = Weld joint strength reduction factor

): Fluid undergoes irregular fluctuations and mixing. Most industrial process piping operates in this regime. 2. Pipe Sizing Criteria and Velocity Limits ): A fluid's resistance to gradual deformation by

A=Qvcap A equals the fraction with numerator cap Q and denominator v end-fraction is the volumetric flow rate ( ). From the area ( ), solve for the internal diameter ( Step 3: Calculate Pressure Drop Total pressure drop (

$$ Re = \frac\rho v D\mu \quad \textor \quad \fracv D\nu $$

: Utilizing friction factor correlations based on pipe roughness and Reynolds number. CEDengineering.com 2. Line Sizing Methodology accounting for pipe roughness ($\epsilon$).

Fluid flow calculation is the baseline for all piping design. Understanding how a fluid behaves inside a conduit allows engineers to predict system performance and prevent operational failures. Flow Regimes: Laminar vs. Turbulent

): Mass per unit volume, which influences kinetic energy and pressure drop. Viscosity (

Note: For $f$, the Moody Chart or Colebrook-White equation is used, accounting for pipe roughness ($\epsilon$). ): A fluid's resistance to gradual deformation by