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@ARTICLE{Beckmann:808695,
author = {Beckmann, A. M. and Mancini, M. and Weber, R. and Seebold,
Sören and Müller, Michael},
title = {{M}easurements and {CFD} {M}odeling of a {P}ulverzited
{C}oal {F}lame {W}ith {E}mphasis on {A}sh {D}eposition},
journal = {Fuel},
volume = {167},
issn = {0016-2361},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2016-02322},
pages = {168-179},
year = {2016},
abstract = {Measurements of fly ash deposition in a 15 kW pulverized
coal jet flame and CFD-based mathematical modeling have been
performed. The deposits have been collected at two ports at
particle Stokes numbers in the 0.02–0.34 range and
particle kinetic energies not larger than 2×10-92×10-9 J.
Inertial impaction and thermophoresis have been identified
as main mechanisms of particle transport towards the
deposition surfaces. Deposition rates on air-cooled probes
(View the MathML source600–700°C surface temperature)
have been measured to be $24\%$ (Port 2) and $79.4\%$ (Port
3) larger than those measured on uncooled probes (View the
MathML source1150°C surface temperature) due to the
enhanced role of thermophoresis. Complex dependencies of the
deposition rate on the probe surface temperature and the
probe location have been observed. The CFD-model predictions
are able to reproduce these dependencies after adjustments
to the particle sticking sub-model. The paper contains
estimations of both the impaction and sticking
efficiencies.},
cin = {IEK-2},
ddc = {660},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111) /
HITEC - Helmholtz Interdisciplinary Doctoral Training in
Energy and Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-111 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000366651400019},
doi = {10.1016/j.fuel.2015.11.043},
url = {https://juser.fz-juelich.de/record/808695},
}