16 Libraries FLUXUS G60x
UMFLUXUS_G6V4-2EN, 2011-03-29 113
16 Libraries
The internal material database of the transmitter contains parameters for pipe and lining
materials as well as for media. It can be extended with user defined materials or media.
User defined materials and media will always be displayed in the scroll lists of the pro-
gram branch Parameter.
User defined materials and media can be stored in an integrated coefficient memory (us-
er area). The coefficient memory has to be partitioned first (see section 16.1).
The properties of user defined materials or media can be entered as follows:
• as constants without the extended library (see section 16.2)
• as constants or temperature and pressure dependent functions by means of the ex-
tended library (see section 16.3)
The material and media scroll lists displayed in the program branch Parameter can be
arranged (see section 16.5). Shorter scroll lists make working more efficient.
16.1 Partitioning of the Coefficient Memory
The coefficient memory can be divided into parts for the following material data:
• material properties:
- transversal and longitudinal sound speed
- typical roughness
• medium properties:
- min. and max. sound speed
- kinematic viscosity
- density
- gas compressibility factor
For the max. number of data sets for each category of these material data see Tab. 16.1.
Tab. 16.1: Capacity of the coefficient memory
max. number
of data sets
occupancy of the
coefficient memory in %
materials 13 97
media 13 97
Select Special Funct.\SYSTEM settings\ Li-
braries\Format USER-AREA. Press ENTER.
This error message will be displayed if the entered number
of data sets for a category of material data exceeds the ca-
pacity of the coefficient memory.
Libraries ↕
Format USER-AREA
MAXIMAL: 13!
Materials: 15
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