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What is a Nm3/h?

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  • What is a Nm3/h?

    Believe this to be a volumetric flowrate (like cfm, cfh) - But not sure...

    Also, Velocity in Nm/s? Looking for conversion to ft/s?

  • #2
    Re: What is a Nm3/h?

    The N stands for Normal, meaning it was measured at standard temperature and pressure.

    Nm/h would be "cubic meter/hour". Though keep in mind it is for a specific temperature and pressure.

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    • #3
      Re: What is a Nm3/h?

      Conversion From 60 Cfm To Nm3/hr?

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      • #4
        Re: What is a Nm3/h?

        What is the conversion factor for converting Nm3/h to m3/min?

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        • #5
          Re: What is a Nm3/h?

          Originally posted by Unregistered
          What is the conversion factor for converting Nm3/h to m3/min?
          The "N" means "normal." regardless of actual temperature and pressure, the volume has been computed as though conditions were 101.325 kPa, 0 C.

          You may need to adjust for actual conditions, but at the same conditions, just divide by 60 because there are 60 minutes in an hour.

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          • #6
            Re: What is a Nm3/h?

            Can somebody tell me what is the meaning of m(VN)/h in the compressor flow rate?

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            • #7
              Re: conversion of nm3/hr to cfm

              please reply the
              conversion of nm3/hr to cfm.

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              • #8
                Re: conversion of nm3/hr to cfm

                Originally posted by Unregistered View Post
                please reply the
                conversion of nm3/hr to cfm.
                The "n" means normal, measured at 101.325 kPa, 0 C. At other temperatures and pressures, the gas volume will vary. At identical conditions
                1 m/h x 1 h/60 min x (1 ft/0.3048 m) = 0.5886 ft/min.

                Next, if conditions are different (not mentioned in your question) apply temperature and pressure corrections using Ideal Gas Law (if reasonably applicable) or other gas equation of state.

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