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40 results on '"Schulz, Christof"'

1. Shock-tube study of the decomposition of octamethylcyclotetrasiloxane and hexamethylcyclotrisiloxane.

Author

Sela, Paul, Peukert, Sebastian, Herzler, Jürgen, Schulz, Christof, and Fikri, Mustapha

Abstract

Copyright of Zeitschrift für Physikalische Chemie is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020
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25. HCCI-Motor

Author

Riedel, Uwe, primary, Schulz, Christof, additional, Warnatz, Jürgen, additional, and Wolfrum, Jürgen, additional

Published
2018
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29. Tröpfchenverbrennung

Author

Riedel, Uwe, primary, Schulz, Christof, additional, Warnatz, Jürgen, additional, and Wolfrum, Jürgen, additional

Published
2018
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36. Verbrennung

Author

Schulz, Christof, primary, Warnatz, Jürgen, additional, and Wolfrum, Jürgen, additional

Published
2018
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38. Diesel-Motor

Author

Riedel, Uwe, primary, Schulz, Christof, additional, Warnatz, Jürgen, additional, and Wolfrum, Jürgen, additional

Published
2018
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40. A Standard Burner for High Pressure Laminar Premixed Flames: Detailed Soot Diagnostics.

Author

Leschowski, Martin, Dreier, Thomas, and Schulz, Christof

Subjects
SOOT, OXIDATION, COMBUSTION research, METHANE, PARTICLE size determination
Abstract

Soot formation and oxidation in high-pressure combustion is of high practical relevance but still sparsely investigated because of its experimental complexity. In this work we present a high-pressure burner for studying sooting premixed flames at pressures up to 30 bar. An optically accessible vessel houses a burner that stabilizes a rich premixed ethylene/air flame on a porous sintered stainless-steel plate. The flame is surrounded by a non-sooting rich methane/air flame and an air coflow for reducing temperature gradients, buoyancy-induced instabilities, and heat loss of the innermost flame. Spectrally-resolved soot pyrometry was used for determining gas temperatures. These were introduced into model functions to fit the temporal signal decay curves obtained from two-color time-resolved laser-induced incandescence (TiRe-LII) measurements for extracting soot volume fractions and mean particle size as a function of height above burner and gas pressure. The derived mean particle sizes and soot concentrations were compared against thermophoretically sampled soot analyzed via transmission electron microscopy (TEM) and laser extinction measurements at 785 nm, respectively. Soot volume fractions derived from LII peak signal intensities need to be corrected for signal attenuation at the high soot concentrations present in the investigated flame. From the various heat conduction models employed in deriving mean soot particle diameters from TiRe-LII, the Fuchs model gave remarkably good agreement with TEM on sampled soot at various heights above the burner. [ABSTRACT FROM AUTHOR]

Published
2015
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