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5

Flow Element Sizing


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#1 Bodhisatya

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Posted 26 March 2019 - 11:36 AM

Hello All

 

I have seen two different approaches for sizing orifices/Venturi. While my current organization, sizes it based on BASE CONDITION, my previous employer used "FLOWING CONDITION" to determine Bore size.

 

Esteemed members requesting an insight, which of the above two methods is more frequently used and Pros and Cons of either sizing methodology.

 

Regards

Bodhisatya



#2 thorium90

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Posted 28 March 2019 - 08:24 AM

Although I'm not an orifice sizing expert, but I'm curious, what do you mean by base condition and flowing condition? Isn't the flow element always "flowing" something? 



#3 breizh

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Posted 29 March 2019 - 02:37 AM

Hi ,

https://journals.sag...020294014551110

 

Should be flowing condition , refer to manufacturer data sheet .

 

Attached a document mentioning flowing condition for all fluid properties.

 

my view

Breizh 



#4 WyattEng

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Posted 10 June 2019 - 03:07 PM

Yes, it should be flowing conditions.  Base conditions are utilized when converting the actual volumetric flow rate (ft^3/min or ACFM, m^3/h, etc.) to an equivalent flow rate under "standard" or "normal" conditions (SCFM, NCMH, etc.), or to convert the actual volumetric flow rate to a mass equivalent.



#5 Chemitofreak

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Posted 11 June 2019 - 12:53 AM

What do you mean by base condition and flowing conditions






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