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TUTORIALS/ REFERENCES
TUTORIALS/ REFERENCES
How do I understand SCFM? What does it mean physically?
How to convert a SCFM value from one fluid to another?
How to convert a SCFM value for different ambient conditions?
How to convert b/w SCFM/ACFM/mass flow?
How does this get confusing to engineers?
Difference b/w US and imperial gallon and why does this matter?
Flow Rate Through Valves
Flow Rate Through Valves
What's the difference b/w Cv, Kv, etc?
What does choked flow mean?
How to calculate flow rate through valves?
Flow Rate in Pipes
Flow Rate in Pipes
What are the math models available that can be solved with hand calculations for flow in pipes for incompressible and compressible flow?
Which model should I choose and why?
What limitations/assumptions are baked in? Are these calculations conservative/unconservative?
How about minor losses? How do we include that in with the major losses?
Is it okay to lump all losses or should you do node by node analysis? Is there a clever way to think about this?
Overpressure Protection
Overpressure Protection
What is the difference between a safety valve, relief valve, and safety relief valve?
What does the 3% inlet pressure drop and 10% backpressure mean for relief devices?
What assumptions go into a fire case calculation?
Why is fire sizing often grossly conservative?
Which codes govern PSV sizing vs. installation?
Are you required to have pop action safety valves for B31.3 systems?
How to select overpressure protection for vaporizers?
How do you model heat input during a fire case?
Fluid Leak Modeling
Fluid Leak Modeling
How do you model pressure rise from a leak into a closed volume?
Gas Temperature Changes (JT Effects)
Gas Temperature Changes (JT Effects)
What is the Joule–Thomson effect in plain language?
When does gas cool vs. heat during expansion?
What can a check valve actually be relied on to do? Can you rely on this in a hazop/lopa?
Why are check valves not isolation devices?
How does cracking pressure affect system performance?
How do leakage class and backflow rate really matter?
Why does oversized check valves cause chatter?
How does orientation affect performance?
What failure modes dominate in gas service?
What is the difference between droop and lock-up?
How does upstream pressure variation affect outlet control?
what are the different styles/options for regulators?
How do you calculate flow rate through an orifice?
What are the assumptions/limitations of the calculation?
What are the options for fittings/connections for gas piping systems?
What are the positives/negatives of these?
Why do torque specs matter more for gases?
Understand SAE J1926 fittings?
What is the difference between MAWP, design pressure, and service pressure?
Why is MAWP not a design target?
How do temperature deratings factor in?
How do particulate size, oil content, moisture content requirements get defined?
Why does oil content matter more than people think?
How does moisture content affect downstream equipment?
How are ISO air quality classes specified?
Why use a desiccant dryer downstream of a refrigerated dryer?
What does it mean for a refrigeration system to “balance”?
How do compressor, condenser, and evaporator curves interact?
How do you link CoolProp to Excel?
How do Section III div 1 and div 5 differ?
Risk Analysis
Risk Analysis
What are the different risk analysis methods for a piping system?
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