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@ARTICLE{Seiler:889897,
author = {Seiler, Jan and Volmer, Rahel and Krakau, Dennis and
Pöhls, Julien and Ossenkopp, Franziska and Schnabel, Lena
and Bardow, André},
title = {{C}apillary-assisted evaporation of water from finned tubes
– {I}mpacts of experimental setups and dynamics},
journal = {Applied thermal engineering},
volume = {165},
issn = {1359-4311},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2021-00505},
pages = {114620 -},
year = {2020},
abstract = {Capillary-assisted thin-film evaporation is a promising
approach to overcome the heat transfer challenges associated
with sub-atmospheric evaporation of water in refrigeration
applications. Consequently, thin-film evaporation is
currently studied in several labs. However, so far it has
been unclear whether results from different labs can be
compared. In this work, we therefore investigate – for the
first time – the impact of experimental setups and
procedures on sub-atmospheric capillary-assisted thin-film
evaporation of the refrigerant water and deduce
methodological recommendations for improving reliability and
comparability of measurement results. We present results of
evaporation from finned copper tubes with decreasing filling
levels from two different experimental setups:At higher
driving force, the resulting dynamics of logarithmic mean
temperature differences, heat flows and overall heat
transfer coefficients determined in both setups are
generally in good agreement but absolute values show
deviations of up to $24\%.$ For lower driving forces, the
results are identical within uncertainty of measurement. We
conclude that the impact of experimental setup is important
when comparing absolute values from different setups, but
obtaining comparable results is generally possible.},
cin = {IEK-10},
ddc = {690},
cid = {I:(DE-Juel1)IEK-10-20170217},
pnm = {899 - ohne Topic (POF3-899)},
pid = {G:(DE-HGF)POF3-899},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000503314300089},
doi = {10.1016/j.applthermaleng.2019.114620},
url = {https://juser.fz-juelich.de/record/889897},
}