Re: [PipingDesign] Physical Properties of Sea Water

From: <Ken>
Date: Thu Jan 23 2003 - 13:46:00 EST

Geoff,
From the front cover of Munson, Young, and Okiishi, Fundamentals of Fluid Mechanics:

Seawater at 1 atm and 15.6C:
1030 kg/m3. 0.00120 N-s/m2 (1.20 cP). Bulk Mod=2.34e9 N/m2. VP=1770 N/m2 (absolute)

Hope that helps,
Ken Edwards
The fluid flow calculations website - http://www.LMNOeng.com

> Hi Geoff
> Is this for pumping/water hammer. If so:
> Density 1024 kg/m^3 at 20C but varies with location
> Viscosity - dunno but should be close to water
> Bulk modulus. dunno - but for safety, multiply by SG of 1.024 and you will
> have a conservative water hammer result
> Vapour pressure - dunno but should be very slightly less than water at the
> salt will try to hang on to the more volatile and lighter water molecules.
> Perry (Chem Eng Handbook) has some methods for predicting mixture
> properties.
> Unless you are designing a ship I wouldnt get too excited.
>
> Cheers
>
> Steve
>
>
> -----Original Message-----
> From: Geoff Stone DD&D Australia [mailto:blenrayaust@yahoo.co.uk]
> Sent: Thursday, January 23, 2003 4:39 PM
> To: paul bowers
> Subject: [PipingDesign] Physical Properties of Sea Water
>
>
> Can someone please provide me with the physical properties of seawater at
> 25C.
> I need:
> 1)density kg/m3;
> 2)viscosity cP;
> 3)Bulk Modulus kN/mm2;
> 4)vapour pressure kPa,
>
> Cheers
>
> Geoff
>
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> www.texasflange.com
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Received on Thu Jan 23 13:46:00 2003

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