what is "kgm/h","Nm3/h"

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what is "kgm/h","Nm3/h"

Postby Mustafa » Thu Aug 11, 2005 1:38 pm

what is "kgm/h"? Aso "Nm3/h"? I think thet are related with flow. If Nm3/h is multiple of m3/h, how can I convert it to m3/h?
Last edited by Mustafa on Thu Aug 11, 2005 8:11 pm, edited 1 time in total.
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Joined: Sun Jul 10, 2005 7:44 pm

Postby Guest » Thu Aug 11, 2005 5:27 pm

kgm might be an improper abbreviation for kilogram. Kilogram per hour would make sense for flow.

If symbols are being used properly, it would be kilogram meters per hour, but that makes little sense. I'd go with the first.

Postby Guest » Thu Aug 11, 2005 8:26 pm

Nm^3 is another common improper abbreviation. The N is not Newtons, it's "normal." Gases are compressible, so their volume depends on temperature and pressure which have to be specified to underatnand how much gas a given volume represents. Normal is usually 1 atm, 0 degrees C.. "Standard" is often used for 1 atm. and either 15 or 20 degrees C, so you have to be careful to determine the reference conditions actually being used.

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