The organic Rankine cycle
(ORC)
is considered a viable
technology
for
convert
ing
low
-
and medium
-
temperature
heat to electricity. However
,
many of
ORC
systems
in practical applications
operate in off
-
design
conditions
. In order
to characterize this
operation
, experimental data is needed. In this paper, the com
missioning of an 11 kWe ORC is
described with special attention
to the processing
of the data.
A
filtering algorithm is
introduced to isolate steady
-
state working points. This filter is then
applied
to
the raw experimental data
.
In addition
,
the reliabilit
y of the
experimental data is evaluated by investigating the heat balances
over the heat exchangers and error propagation of
the measurement
uncertainties. The
result of this work is a test
-
setup which is fully ready for
high
-
accuracy
and
reliable
measurem
ents
,
including the post
-
processing
steps
. In the future, off
-
design models will be validated
with the
acquired experimental data
and e
specially two
-
phase expansion will be further investigated.