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Cfd (Computational Fluid Dynamics) Analysis

Cfd (Computational Fluid Dynamics) Analysis

Cfd (Computational Fluid Dynamics) Analysis

(OP)
Dear Friends;
I have some questions regarding CFD (Computational fluid dynamics) analysis.I appreciate your help:
1)Is it necessary to do CFD analysis for all separators?
2)Who must do CFD analysis?Engineer Designer(who designs separator) or Vendor( who will provide separator)?
3)Is CFD analysis only to be done for separator or it is applicable for other equipment as well?
thanks in advanced
 

RE: Cfd (Computational Fluid Dynamics) Analysis

Not being in your field, just as a person who has done CFD in water and turbomachinary fields:

1- I don't know about separators but CFD is done when it is difficult to analyze the behavior of fluid by conventional methods or calculations. Or if the most possible realistic solution to a is necessary. Or an improved design / production is needed in terms of efficiency, cost, time or output achievement. I have not seen any code or standard that asks for a CFD as a part of their requirements.

2- The engineers who are trained to use CFD. Considering the equipments, normally it's the Manufacturers that do CFD in order to assure / improve the performance of their equipments and to seek the solutions to a better designed good. Engineers designers or Vendors are normally out of CFD unless it comes to illustrate / control / improve an engineering solution that needs to be done / verified by CFD. Since CFD softwares and more importantly the knowledge of doing CFD cost money, they can hire a some small companies that are specialized in doing CFD. Unless Engineers designers or Vendors are big companies with frequent need of doing CFD simulations so they can effort the investment in man resources AND computer hardwares AND softwares.

3- CFD is applicable to anything dealing with flow. Pumps, fans, nozzles, turbines, tanks, intakes, dams, stacks, valves, etc. The need for doing a CFD is another issue that should be decided upon the need.

In your case, why you want to do a CFD for the separator and what you want to "see" with CFD analysis? is it a new design? Please note the CFD has its own limitations and one should look to the computational domain, fluid medium, and expected outcome of CFD to make the proper decision.  

RE: Cfd (Computational Fluid Dynamics) Analysis

CFD of specific items of equipment should be the manufacturers job.  Done (or not) as they deem suitable to verify the nameplate performance.  This includes any installation specific factors, like say 10 diameters of straight pipe into the inlet, which they put in the manual.

CFD of systems; equipment, components and interconnections is up to the designer of such a system.  I think very limited applications for anything meaningful in piped process industries as the complexity would escalate massively.

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