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#1
05-02-2007, 12:58 AM
 Unregistered Guest Posts: n/a
Nm3/hr to m3/hr

how do u convert 1 Nm3/hr of HCl to m3/hr?

Does the conversion require any other parmaters like density,etc.?
Is the conversion for 1Nm3/hr of HCl to m3/hr standard , i.e can i use the conversion rate for any other gases also?
#2
05-06-2007, 04:45 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,416 Rep Power: 12
Re: Nm3/hr to m3/hr

The N stands for Normal, meaning standard temperature and pressure.

At standard temperature and pressure, then Nm3/hr = m3/hr
#3
09-24-2007, 11:13 PM
 Unregistered Guest Posts: n/a
Re: Nm3/hr to m3/hr

#4
03-05-2008, 03:41 AM
 akhtar Guest Posts: n/a
convert m3 in nm3

we are want to covert (1m3)in nm3 at35cand pressure 18psi
#5
03-05-2008, 12:11 PM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,222 Rep Power: 18
Re: convert m3 in nm3

Quote:
 Originally Posted by akhtar we are want to covert (1m3)in nm3 at35cand pressure 18psi

Is the 18 psi absolute or gauge? I have assumed absolute below

Since the same moles of gas are involed P1*V1/T1 = P2*V2/T2

So, V1 = V2 *(P2/P1)*(T1/T2)
Standard pressure 101/325 kPa is about 14.7 psi

Assuming "as measured" is 1 m³, 18 psi, 35 °C, volume at normal is
V1 = 1 m³ x 18 psi/14.7 psi * 273.15 K/(35 + 273.15 K) =
1.0854 Nm³
#6
08-08-2008, 12:52 AM
 Stabilitycore Guest Posts: n/a
Re: Nm3/hr to m3/hr

Robert Fogt 05-06-2007 03:45 PM

The N stands for Normal, meaning standard temperature and pressure.

At standard temperature and pressure, then Nm3/hr = m3/hr
In this case, what would be clasified as normal? From a pharmaceutical perspective, normal and standard are 2 totally different aspects of the same criteria.

Regards
#7
08-08-2008, 06:07 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,222 Rep Power: 18
Re: Nm3/hr to m3/hr

Quote:
 Originally Posted by Stabilitycore Robert Fogt 05-06-2007 03:45 PM The N stands for Normal, meaning standard temperature and pressure. At standard temperature and pressure, then Nm3/hr = m3/hr In this case, what would be clasified as normal? From a pharmaceutical perspective, normal and standard are 2 totally different aspects of the same criteria. Regards
As regards gases, "normal" is always at 101.325 kPa and 0 °C. "Standard" is mostly used with "english" units, eg standard cubic feet, and uses the same standard pressure. Unfortunately, different industries use different (non)standards, and the temperature could be 15 °C, 60 °F, 20 °C, 25 °C and possiblly others.

By stating the volume at normal or standard conditions, it becomes a disuised form of molar or mass flow. At normal, a number of grams of gas equal to the molecular weight (1 mole) will occupy 22.414 L of volume). The factor is slightly different (by ideal gas laws) at the various (non)standard temperatures.
#8
12-10-2008, 02:49 AM
 dddy1192 Guest Posts: n/a
Re: Nm3/hr to m3/hr

how would you or what would 877 cfm be in psi of room temp air
#9
02-17-2009, 08:28 AM
 Keighley Guest Posts: n/a
Re: Nm3/hr to m3/hr

Thanks for that answer! I presumed the N meant newtons and was very confused.

Thanks
#10
06-30-2009, 09:57 AM
 Unregistered Guest Posts: n/a
Re: Nm3/hr to m3/hr

Quote:
 Originally Posted by Unregistered how do u convert 1 Nm3/hr of HCl to m3/hr? Does the conversion require any other parmaters like density,etc.? Is the conversion for 1Nm3/hr of HCl to m3/hr standard , i.e can i use the conversion rate for any other gases also?
how to calculate above value?

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