The two-point spatial correlation of the rate of change of fluctuating heat release rate is central to the sound emission from open turbulent flames, and a few attempts have been made to address this correlation in recent studies. In this paper, the two-point correlation and its role in combustion noise are studied by analysing direct numerical simulation (DNS) data of statistically multi-dimen...

Historische Stadtkerne. Gesamtanlagen in Baden-Württemberg, bearb. von Volkmar Eidloth und Susann Seyfert (Arbeitsheft 22, hg. vom Regierungspräsidium Stuttgart, Landesamt für Denkmalpflege), Ostfildern: Kommissionsverlag Thorbecke 2016, 2. Auflage 2017. 256 S. ISBN 978-3-7995-1222-0. € 28,50
 Ortskerne, Wolfgang Thiem 23, 220 978-3-7995-1223-7. 28,50

Anisotropic Bi segregation, at surfaces of a Cu polycrystal saturated with Bi at 1223 K, changes the Cu equilibrium shape from a faceted spheroid displaying all orientations to an almost polyhedral shape with missing orientations. Surface cleaning, followed by annealing at !573 K, leads to Bi readsorption from some grain boundary sources. ! 2003 Acta Materialia Inc. Published by Elsevier Ltd. A...

We investigated the oxidation and nitridation of a near β-type Ti-17 (Ti-5Al-2Sn-2Zr-4Mo-4Cr) alloy with up to 1 mass% added Si. The alloys were heated in air at 923–1223 K for 518.4 ks. mass gain was determined, scales oxygen-rich α-case layer that formed analyzed. At temperatures below 1123 K, primary product rutile-type TiO2, along traces Al2O3. presence Si4+ decreased oxygen vacancy concent...

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