13 Libraries FLUXUS F70x
UMFLUXUS_F7V4-6-2EN, 2017-10-01 123
Material parameters
Medium parameters
13.3 Extended Library
13.3.1 Introduction
If the extended library is activated, it is possible to enter material and medium parameters as a function of the temperature
or of the pressure and additional medium parameters (heat flow coefficients, steam coefficients and concentration coeffi-
cients). These data can be entered into the transmitter directly or by means of the program FluxKoef.
Enter the sound speed of the material. Press ENTER.
For the sound speed of some materials annex C.1.
Enter the roughness of the material. Press ENTER.
For the typical roughness of some materials see annex C.2.
Enter the average sound speed of the medium. Press ENTER.
Select auto or user. Press ENTER.
auto: The area around the average sound speed is defined by the transmitter.
user: The area around the average sound speed has to be entered.
Enter the area around the average sound speed of the medium. Press ENTER.
This display will only be indicated if user has been selected.
Enter the kinematic viscosity of the medium. Press ENTER.
Enter the density of the medium. Press ENTER.
Tab. 13.2: Material and medium parameters that can be stored
parameter parameter is necessary for...
material parameter
transversal sound speed flow measurement
longitudinal sound speed flow measurement
type of sound wave flow measurement
typical roughness profile correction of the flow velocity
medium parameter
sound speed start of measurement
viscosity profile correction of the flow velocity
density calculation of mass flow rate
additional parameters of a medium
heat flow coefficients heat flow measurement
steam coefficients heat flow measurement with steam in supply line
c-Medium range
auto >USER<
c-Medium=1500m/s
range +-150m/s
Kinem.Viscosity
1.01 mm2/s
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