Re: [foxboro] Steam FLow Calc

  • From: "Matic.Hank" <Hank.Matic@xxxxxxxxxxxxxxx>
  • To: <foxboro@xxxxxxxxxxxxx>
  • Date: Wed, 20 Apr 2005 05:51:40 -0500

The primary element used to measure flow develops a diff pressure range
vs a range of steam flow , this is determined by the manufacturer of the
primary element ( there should be a spec sheet ). With this information
you use a normalized scaling equation as follows: flow =3D ( flow range =
)
times Square root of ( measured differential pressure across primary
element divided by the differential range of the primary element). If
the range of flow is in lbs/hr then divide the result by 1000 to get
KPPH. This should be easily accomplished in a CALC block.=20

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of BrianLong
Sent: Tuesday, April 19, 2005 4:56 PM
To: Foxboro
Subject: [foxboro] Steam FLow Calc

We are using a CALC block to calculate steam flow.  The calculation is
not as accurate as I'd like.  Does anyone have an accurate "standard"
way to calculate steam flow in K# / HR.
Thanks,
Brian Long
Arkansas Kraft


=20
=20
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