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Last download on:
Sun Apr 29, 2012 12:14:01 PM
Short Desciption:
Theory overview of flow measurement using differential
pressure devices based on ISO-5167 standard.
Summary:
Differential pressure flow measurement is old and reliable.
With the aid of microprocessor technology now discharge coefficient
calculations can be done in real time.
Even more, properties of the fluid can be stored on the instrument
and measuring temperature and absolute pressure allows to correct
fluid parameters such as density and viscosity and then to obtain the
mass flow rate. This are called multivariable mass flow meters.
By other side years of research and experiments had been done
obtaining better characterization of typical differential pressure
devices (nozzles, orifice plate , etc).
The ISO5167 standard condenses all this experimental information
giving the formulas and procedures for manufacturing a differential
pressure flow measurement device of the standard types with a
predictable uncertainty.
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"Theory overview of flow measurement using differential pressure"
Posted by ahmed messallam
Sun Sep 25, 2011 04:46:07 AM
thank you
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