I have been asked by a client to rerate heater tubes to 1375 deg F and 890psi. Spent a fair amount of time trying to find yield strength data for 9 chrome at that elevated temperature. Also, API 530 larson miller parameter tables stop at 1300 deg F. Looking for some guidance on locating...
I dont have much experience in stacks need some help. I have a client that has asked me to develop some thicknesses for a few stacks and they are specified to be made from A242 and the design temp is 750°F. Stack has no insulation and no refractory and the datasheet does not specify any liner...
Hi everyone,
I have been asked to design an HVAC system for an electrical substation. I am a mechanical engineer but my experience is in process equipment design so I am way out of my area of experience. I know that ASHRAE is the design code for HVAC systems, but I'm not sure specifically...
I am setting up a steady state thermal analysis of a model. I am using FEPipe and the help file says this...
"For steady state or transient the thermal conductivity is a required input. If this value is
omitted, (as it often is), the user will get unpredictable thermal solutions. The standard...
Here is the situation:
API 650 (new construction) open top clarifier tank (98' diameter x 35' tall)
There is a complex platform and walk way that is supported by the shell and a center tower structure
In one area of the shell, additional aeration boxes are also being supported. This is putting...
Situation:
4" 1500# equal barrel flange (SA-350 LF2 Cl. 1) on the channel of an PWHT'ed exchanger that has a scar. The depth is about 1/8" and the raised face thickness is 1/4". I am wondering what the options are for repair, and what everyone things about the options i have listed below...
Would you guys do a B31.3 hydro test on trim valves on equipment that we are not planning to use at this time. They will be blinded off for use as a future tie point. The valves come from the manufacturer with a hydro, but only for a few seconds at flange rating.
I would think we would not...
I am trying to learn how to do limit load analysis and haven't been able to figure out how to define an elastic-perfectly-plastic material. I am in the beginning stages of figuring this process out so anyone feels like supplying general guidance with this analysis in addition to the material...
