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hotchoco
Member

Join Date: Aug 2008
Posts: 5

Orifice bore diameter

08/11/2008 2:07 AM

Hi,

Can anyone here teach me how to calculate the orifice bore diameter??

Thank you for your kind reply...
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Sparkstation
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New Zealand - Member - Interested in everything- see my Profile please APIX Pilot Plant Design Project - Member - Member Engineering Fields - Electrical Engineering - Member Engineering Fields - Power Engineering - Member Engineering Fields - Civil Engineering - Member Hobbies - Musician - Autoharp and Harmonica Hobbies - Hunting - Member Hobbies - Fishing - Member

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Location: Christchurch, (The Garden City), South Island, New Zealand
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Good Answers: 230
#1

Re: Orifice bore diameter

08/11/2008 3:00 AM

Hello hotchoco

You need to Specify which orifice, and where it is used.

Is the orifice for solid/liquid/gas?

Is this orifice in an instrument? If so, Make/Model etc advice please.

Is the orifice in a carburettor? If so, advise make/model/altitude to be used at/fuel.

Other useful facts would be helpful, so that a proper answer may be given.

Reply here, with

Kind Regards....

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hotchoco
Member

Join Date: Aug 2008
Posts: 5
#2
In reply to #1

Re: Orifice bore diameter

08/13/2008 12:46 AM

Hi,

The orifice will be used in LNG

The fluid state state = liquid

flow rate = 22 m3/hr

pressure = 8.8kg/cm2G

temperature = -162℃

sp.gravity = 0.45

permanent pressure loss = 0.2kg/cm2
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philroth
Associate

Join Date: Dec 2006
Location: Silverdale, Washington
Posts: 29
#3
In reply to #2

Re: Orifice bore diameter

08/16/2008 6:51 PM

Are you trying to messure the flow or control the flow?

Still not enough data? Pipe size, liguid viscosity, liquid density Kg/M2

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hotchoco
Member

Join Date: Aug 2008
Posts: 5
#4

Re: Orifice bore diameter

08/28/2008 12:27 AM

can i calculate the size of orifice bore manually??

I found this formula but I'm not sure whether this i correct??

S= QmGl/ND2FaFm√‾(Gfhm)(FcFp)
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