Piping components are rated by classes (e.g., ASME Class 150, 300, 600), which define the maximum pressure allowed at a specific temperature. 4. Tips for Finding Better "Module 3 PDF" Resources
To truly master this module, you don't just need a document to download—you need to understand what that document should contain. Whether you are looking for a primer on the ASME B31.3 code or trying to brush up on the Darcy-Weisbach equation, this post breaks down the core concepts of Module 3 and guides you on where to find the best resources.
Determining the optimal pipe diameter to balance investment costs (pipe size) against operating costs (pumping/compression power).
1f=-2log10(ϵ3.7D+2.51Ref)the fraction with numerator 1 and denominator the square root of f end-root end-fraction equals negative 2 log base 10 of open paren the fraction with numerator epsilon and denominator 3.7 cap D end-fraction plus the fraction with numerator 2.51 and denominator cap R e the square root of f end-root end-fraction close paren Piping components are rated by classes (e
): Fluid particles move in a chaotic, intersecting manner. This is the most common regime in industrial process piping. Darcy-Weisbach Equation for Friction Loss
Once the hydraulic performance determines the inner diameter, the mechanical integrity of the pipe must be calculated to safely contain the internal process pressures. ASME Codes Overview
ΔPf=f⋅LD⋅ρv22cap delta cap P sub f equals f center dot the fraction with numerator cap L and denominator cap D end-fraction center dot the fraction with numerator rho v squared and denominator 2 end-fraction Whether you are looking for a primer on the ASME B31
Density, viscosity, and temperature dictate how a fluid behaves.
According to ASME B31.3, the minimum required wall thickness for straight pipe under internal pressure is calculated using the following formula:
tm=PD2(SEW+PY)+ct sub m equals the fraction with numerator cap P cap D and denominator 2 open paren cap S cap E cap W plus cap P cap Y close paren end-fraction plus c = Internal design gage pressure. = Outside diameter of the pipe. This is the most common regime in industrial process piping
Fluid flow is classified into three regimes based on the dimensionless :
Expresses the conservation of energy along a streamline, accounting for pressure head, elevation head, and velocity head: