18 SuperUser Mode FLUXUS G60x
UMFLUXUS_G6V4-2EN, 2011-03-29 131
18.3.2 Correction of the Flow Velocity
After the profile bounds have been defined (see section 18.3.1), it is possible to define a
correction of the flow velocity.
v
cor
= m
.
v + n
with
All quantities derived from the flow velocity will be calculated with the corrected flow ve-
locity. The correction data are part of the parameter record and will be transmitted to the
PC or printer during the online or offline transmission of data.
A request is displayed if an additional correction of the flow
velocity is to be defined. Select on to define the correction
data, off to work without correction of the flow velocity
and return to the menu item SYSTEM settings.
For the definition of the correction of the flow velocity see
section 18.3.2.
example: profile bound for the laminar flow: 1 500
profile bound for the turbulent flow: 2 500
At Reynolds numbers < 1 500, the flow during the measurement is regard-
ed as laminar for the calculation of the physical quantity. At Reynolds num-
bers > 2 500, the flow is regarded as turbulent. The range 1 500...2 500 is
the transition range between laminar and turbulent flow.
Attention! The defined profile bounds are still active after the deactivation of
the SuperUser mode.
v - measured flow velocity
m - slope, range: -2.000...+2.000
n - offset, range: -12.7...+12.7 cm/s
v
cor
- corrected flow velocity
Note! During the measurement, it will not be displayed that the correction
of the flow velocity is active.
Select on to define the correction data, off to work with-
out correction of the flow velocity and return to the menu
item SYSTEM settings.
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