Martin Habermehl
RWTH Aachen University
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Featured researches published by Martin Habermehl.
Combustion Science and Technology | 2017
Diego Zabrodiec; Lukas G. Becker; Johannes Hees; Anna Lisa Maßmeyer; Martin Habermehl; Oliver Hatzfeld; A. Dreizler; Reinhold Kneer
ABSTRACT This work presents experimental results from flow field measurements of swirl stabilized pulverized-coal flames in oxy-fuel conditions and in conventional atmospheres to characterize the influence of the mixture upon flame aerodynamics. Experiments were carried out on flames inside a cylindrical combustion chamber equipped with a pulverized-coal swirl burner. Flow fields for different flame configurations were measured by means of laser Doppler velocimetry (LDV) and are complemented by particle image velocimetry (PIV). The experimental setups and results are presented, compared, and discussed. LDV measurements provide radial profiles for mean and RMS axial and tangential velocity components at different cross sections inside the combustion chamber. PIV measurements provide planar two-dimensional flow field information about mean values for the axial and the radial velocity components of the flow, as well as qualitative information about solid particle distribution inside the combustion chamber. The performance of LDV and PIV as optical measurement techniques is evaluated for the present case. Coal particles with a wide size distribution are used as flow tracers in the experiments. The influences of particle size upon obtained results, the measured flow fields, and qualitative particle distributions are discussed in detail.
International Journal of Greenhouse Gas Control | 2011
Hannes Stadler; Franz Jakob Beggel; Martin Habermehl; Bernhard Persigehl; Reinhold Kneer; Michael Modigell; Peter Jeschke
Fuel | 2011
Hannes Stadler; Dominik Christ; Martin Habermehl; Peter Heil; A. Kellermann; Andreas Ohliger; Dobrin Toporov; Reinhold Kneer
Applied Thermal Engineering | 2012
Martin Habermehl; Jens Erfurth; Dobrin Toporov; Malte Förster; Reinhold Kneer
Combustion and Flame | 2016
Johannes Hees; Diego Zabrodiec; A. Massmeyer; Stefan Pielsticker; Benjamin Maximilian Gövert; Martin Habermehl; Oliver Hatzfeld; Reinhold Kneer
Fuel | 2017
Lukas G. Becker; Hidemasa Kosaka; Benjamin Böhm; Samim Doost; Robert Knappstein; Martin Habermehl; Reinhold Kneer; J. Janicka; A. Dreizler
Flow Turbulence and Combustion | 2016
Johannes Hees; Diego Zabrodiec; A. Massmeyer; Martin Habermehl; Reinhold Kneer
Fuel Processing Technology | 2017
Tim Gronarz; Jan Schulze; Mischka Laemmerhold; Philipp Graeser; Jeanette Gorewoda; Vitali Kez; Martin Habermehl; Martin Schiemann; Jochen Ströhle; Bernd Epple; Viktor Scherer; Reinhold Kneer
Journal of Energy Resources Technology-transactions of The Asme | 2016
Martin Habermehl; Johannes Hees; Anna Lisa Maßmeyer; Diego Zabrodiec; Oliver Hatzfeld; Reinhold Kneer
Heat and Mass Transfer | 2017
Tim Gronarz; Martin Habermehl; Reinhold Kneer